ALSA: hda - Convert from takslet_hi_schedule() to tasklet_schedule()
[linux-2.6.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
32 #include <sound/core.h>
33 #include <sound/control.h>
34 #include <sound/pcm.h>
35 #include <sound/info.h>
36 #include <sound/asoundef.h>
37 #include <sound/rawmidi.h>
38 #include <sound/hwdep.h>
39 #include <sound/initval.h>
40 #include <sound/hdsp.h>
41
42 #include <asm/byteorder.h>
43 #include <asm/current.h>
44 #include <asm/io.h>
45
46 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
47 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
48 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
49
50 module_param_array(index, int, NULL, 0444);
51 MODULE_PARM_DESC(index, "Index value for RME Hammerfall DSP interface.");
52 module_param_array(id, charp, NULL, 0444);
53 MODULE_PARM_DESC(id, "ID string for RME Hammerfall DSP interface.");
54 module_param_array(enable, bool, NULL, 0444);
55 MODULE_PARM_DESC(enable, "Enable/disable specific Hammerfall DSP soundcards.");
56 MODULE_AUTHOR("Paul Davis <paul@linuxaudiosystems.com>, Marcus Andersson, Thomas Charbonnel <thomas@undata.org>");
57 MODULE_DESCRIPTION("RME Hammerfall DSP");
58 MODULE_LICENSE("GPL");
59 MODULE_SUPPORTED_DEVICE("{{RME Hammerfall-DSP},"
60                 "{RME HDSP-9652},"
61                 "{RME HDSP-9632}}");
62 #ifdef HDSP_FW_LOADER
63 MODULE_FIRMWARE("multiface_firmware.bin");
64 MODULE_FIRMWARE("multiface_firmware_rev11.bin");
65 MODULE_FIRMWARE("digiface_firmware.bin");
66 MODULE_FIRMWARE("digiface_firmware_rev11.bin");
67 #endif
68
69 #define HDSP_MAX_CHANNELS        26
70 #define HDSP_MAX_DS_CHANNELS     14
71 #define HDSP_MAX_QS_CHANNELS     8
72 #define DIGIFACE_SS_CHANNELS     26
73 #define DIGIFACE_DS_CHANNELS     14
74 #define MULTIFACE_SS_CHANNELS    18
75 #define MULTIFACE_DS_CHANNELS    14
76 #define H9652_SS_CHANNELS        26
77 #define H9652_DS_CHANNELS        14
78 /* This does not include possible Analog Extension Boards
79    AEBs are detected at card initialization
80 */
81 #define H9632_SS_CHANNELS        12
82 #define H9632_DS_CHANNELS        8
83 #define H9632_QS_CHANNELS        4
84
85 /* Write registers. These are defined as byte-offsets from the iobase value.
86  */
87 #define HDSP_resetPointer               0
88 #define HDSP_freqReg                    0
89 #define HDSP_outputBufferAddress        32
90 #define HDSP_inputBufferAddress         36
91 #define HDSP_controlRegister            64
92 #define HDSP_interruptConfirmation      96
93 #define HDSP_outputEnable               128
94 #define HDSP_control2Reg                256
95 #define HDSP_midiDataOut0               352
96 #define HDSP_midiDataOut1               356
97 #define HDSP_fifoData                   368
98 #define HDSP_inputEnable                384
99
100 /* Read registers. These are defined as byte-offsets from the iobase value
101  */
102
103 #define HDSP_statusRegister    0
104 #define HDSP_timecode        128
105 #define HDSP_status2Register 192
106 #define HDSP_midiDataIn0     360
107 #define HDSP_midiDataIn1     364
108 #define HDSP_midiStatusOut0  384
109 #define HDSP_midiStatusOut1  388
110 #define HDSP_midiStatusIn0   392
111 #define HDSP_midiStatusIn1   396
112 #define HDSP_fifoStatus      400
113
114 /* the meters are regular i/o-mapped registers, but offset
115    considerably from the rest. the peak registers are reset
116    when read; the least-significant 4 bits are full-scale counters; 
117    the actual peak value is in the most-significant 24 bits.
118 */
119
120 #define HDSP_playbackPeakLevel  4096  /* 26 * 32 bit values */
121 #define HDSP_inputPeakLevel     4224  /* 26 * 32 bit values */
122 #define HDSP_outputPeakLevel    4352  /* (26+2) * 32 bit values */
123 #define HDSP_playbackRmsLevel   4612  /* 26 * 64 bit values */
124 #define HDSP_inputRmsLevel      4868  /* 26 * 64 bit values */
125
126
127 /* This is for H9652 cards
128    Peak values are read downward from the base
129    Rms values are read upward
130    There are rms values for the outputs too
131    26*3 values are read in ss mode
132    14*3 in ds mode, with no gap between values
133 */
134 #define HDSP_9652_peakBase      7164    
135 #define HDSP_9652_rmsBase       4096
136
137 /* c.f. the hdsp_9632_meters_t struct */
138 #define HDSP_9632_metersBase    4096
139
140 #define HDSP_IO_EXTENT     7168
141
142 /* control2 register bits */
143
144 #define HDSP_TMS                0x01
145 #define HDSP_TCK                0x02
146 #define HDSP_TDI                0x04
147 #define HDSP_JTAG               0x08
148 #define HDSP_PWDN               0x10
149 #define HDSP_PROGRAM            0x020
150 #define HDSP_CONFIG_MODE_0      0x040
151 #define HDSP_CONFIG_MODE_1      0x080
152 #define HDSP_VERSION_BIT        0x100
153 #define HDSP_BIGENDIAN_MODE     0x200
154 #define HDSP_RD_MULTIPLE        0x400
155 #define HDSP_9652_ENABLE_MIXER  0x800
156 #define HDSP_TDO                0x10000000
157
158 #define HDSP_S_PROGRAM          (HDSP_PROGRAM|HDSP_CONFIG_MODE_0)
159 #define HDSP_S_LOAD             (HDSP_PROGRAM|HDSP_CONFIG_MODE_1)
160
161 /* Control Register bits */
162
163 #define HDSP_Start                (1<<0)  /* start engine */
164 #define HDSP_Latency0             (1<<1)  /* buffer size = 2^n where n is defined by Latency{2,1,0} */
165 #define HDSP_Latency1             (1<<2)  /* [ see above ] */
166 #define HDSP_Latency2             (1<<3)  /* [ see above ] */
167 #define HDSP_ClockModeMaster      (1<<4)  /* 1=Master, 0=Slave/Autosync */
168 #define HDSP_AudioInterruptEnable (1<<5)  /* what do you think ? */
169 #define HDSP_Frequency0           (1<<6)  /* 0=44.1kHz/88.2kHz/176.4kHz 1=48kHz/96kHz/192kHz */
170 #define HDSP_Frequency1           (1<<7)  /* 0=32kHz/64kHz/128kHz */
171 #define HDSP_DoubleSpeed          (1<<8)  /* 0=normal speed, 1=double speed */
172 #define HDSP_SPDIFProfessional    (1<<9)  /* 0=consumer, 1=professional */
173 #define HDSP_SPDIFEmphasis        (1<<10) /* 0=none, 1=on */
174 #define HDSP_SPDIFNonAudio        (1<<11) /* 0=off, 1=on */
175 #define HDSP_SPDIFOpticalOut      (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */
176 #define HDSP_SyncRef2             (1<<13) 
177 #define HDSP_SPDIFInputSelect0    (1<<14) 
178 #define HDSP_SPDIFInputSelect1    (1<<15) 
179 #define HDSP_SyncRef0             (1<<16) 
180 #define HDSP_SyncRef1             (1<<17)
181 #define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */ 
182 #define HDSP_XLRBreakoutCable     (1<<20) /* For H9632 cards */
183 #define HDSP_Midi0InterruptEnable (1<<22)
184 #define HDSP_Midi1InterruptEnable (1<<23)
185 #define HDSP_LineOut              (1<<24)
186 #define HDSP_ADGain0              (1<<25) /* From here : H9632 specific */
187 #define HDSP_ADGain1              (1<<26)
188 #define HDSP_DAGain0              (1<<27)
189 #define HDSP_DAGain1              (1<<28)
190 #define HDSP_PhoneGain0           (1<<29)
191 #define HDSP_PhoneGain1           (1<<30)
192 #define HDSP_QuadSpeed            (1<<31)
193
194 #define HDSP_ADGainMask       (HDSP_ADGain0|HDSP_ADGain1)
195 #define HDSP_ADGainMinus10dBV  HDSP_ADGainMask
196 #define HDSP_ADGainPlus4dBu   (HDSP_ADGain0)
197 #define HDSP_ADGainLowGain     0
198
199 #define HDSP_DAGainMask         (HDSP_DAGain0|HDSP_DAGain1)
200 #define HDSP_DAGainHighGain      HDSP_DAGainMask
201 #define HDSP_DAGainPlus4dBu     (HDSP_DAGain0)
202 #define HDSP_DAGainMinus10dBV    0
203
204 #define HDSP_PhoneGainMask      (HDSP_PhoneGain0|HDSP_PhoneGain1)
205 #define HDSP_PhoneGain0dB        HDSP_PhoneGainMask
206 #define HDSP_PhoneGainMinus6dB  (HDSP_PhoneGain0)
207 #define HDSP_PhoneGainMinus12dB  0
208
209 #define HDSP_LatencyMask    (HDSP_Latency0|HDSP_Latency1|HDSP_Latency2)
210 #define HDSP_FrequencyMask  (HDSP_Frequency0|HDSP_Frequency1|HDSP_DoubleSpeed|HDSP_QuadSpeed)
211
212 #define HDSP_SPDIFInputMask    (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
213 #define HDSP_SPDIFInputADAT1    0
214 #define HDSP_SPDIFInputCoaxial (HDSP_SPDIFInputSelect0)
215 #define HDSP_SPDIFInputCdrom   (HDSP_SPDIFInputSelect1)
216 #define HDSP_SPDIFInputAES     (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
217
218 #define HDSP_SyncRefMask        (HDSP_SyncRef0|HDSP_SyncRef1|HDSP_SyncRef2)
219 #define HDSP_SyncRef_ADAT1       0
220 #define HDSP_SyncRef_ADAT2      (HDSP_SyncRef0)
221 #define HDSP_SyncRef_ADAT3      (HDSP_SyncRef1)
222 #define HDSP_SyncRef_SPDIF      (HDSP_SyncRef0|HDSP_SyncRef1)
223 #define HDSP_SyncRef_WORD       (HDSP_SyncRef2)
224 #define HDSP_SyncRef_ADAT_SYNC  (HDSP_SyncRef0|HDSP_SyncRef2)
225
226 /* Sample Clock Sources */
227
228 #define HDSP_CLOCK_SOURCE_AUTOSYNC           0
229 #define HDSP_CLOCK_SOURCE_INTERNAL_32KHZ     1
230 #define HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ   2
231 #define HDSP_CLOCK_SOURCE_INTERNAL_48KHZ     3
232 #define HDSP_CLOCK_SOURCE_INTERNAL_64KHZ     4
233 #define HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ   5
234 #define HDSP_CLOCK_SOURCE_INTERNAL_96KHZ     6
235 #define HDSP_CLOCK_SOURCE_INTERNAL_128KHZ    7
236 #define HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ  8
237 #define HDSP_CLOCK_SOURCE_INTERNAL_192KHZ    9
238
239 /* Preferred sync reference choices - used by "pref_sync_ref" control switch */
240
241 #define HDSP_SYNC_FROM_WORD      0
242 #define HDSP_SYNC_FROM_SPDIF     1
243 #define HDSP_SYNC_FROM_ADAT1     2
244 #define HDSP_SYNC_FROM_ADAT_SYNC 3
245 #define HDSP_SYNC_FROM_ADAT2     4
246 #define HDSP_SYNC_FROM_ADAT3     5
247
248 /* SyncCheck status */
249
250 #define HDSP_SYNC_CHECK_NO_LOCK 0
251 #define HDSP_SYNC_CHECK_LOCK    1
252 #define HDSP_SYNC_CHECK_SYNC    2
253
254 /* AutoSync references - used by "autosync_ref" control switch */
255
256 #define HDSP_AUTOSYNC_FROM_WORD      0
257 #define HDSP_AUTOSYNC_FROM_ADAT_SYNC 1
258 #define HDSP_AUTOSYNC_FROM_SPDIF     2
259 #define HDSP_AUTOSYNC_FROM_NONE      3
260 #define HDSP_AUTOSYNC_FROM_ADAT1     4
261 #define HDSP_AUTOSYNC_FROM_ADAT2     5
262 #define HDSP_AUTOSYNC_FROM_ADAT3     6
263
264 /* Possible sources of S/PDIF input */
265
266 #define HDSP_SPDIFIN_OPTICAL  0 /* optical  (ADAT1) */
267 #define HDSP_SPDIFIN_COAXIAL  1 /* coaxial (RCA) */
268 #define HDSP_SPDIFIN_INTERNAL 2 /* internal (CDROM) */
269 #define HDSP_SPDIFIN_AES      3 /* xlr for H9632 (AES)*/
270
271 #define HDSP_Frequency32KHz    HDSP_Frequency0
272 #define HDSP_Frequency44_1KHz  HDSP_Frequency1
273 #define HDSP_Frequency48KHz    (HDSP_Frequency1|HDSP_Frequency0)
274 #define HDSP_Frequency64KHz    (HDSP_DoubleSpeed|HDSP_Frequency0)
275 #define HDSP_Frequency88_2KHz  (HDSP_DoubleSpeed|HDSP_Frequency1)
276 #define HDSP_Frequency96KHz    (HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
277 /* For H9632 cards */
278 #define HDSP_Frequency128KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency0)
279 #define HDSP_Frequency176_4KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1)
280 #define HDSP_Frequency192KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
281 /* RME says n = 104857600000000, but in the windows MADI driver, I see:
282         return 104857600000000 / rate; // 100 MHz
283         return 110100480000000 / rate; // 105 MHz
284 */
285 #define DDS_NUMERATOR 104857600000000ULL;  /*  =  2^20 * 10^8 */
286
287 #define hdsp_encode_latency(x)       (((x)<<1) & HDSP_LatencyMask)
288 #define hdsp_decode_latency(x)       (((x) & HDSP_LatencyMask)>>1)
289
290 #define hdsp_encode_spdif_in(x) (((x)&0x3)<<14)
291 #define hdsp_decode_spdif_in(x) (((x)>>14)&0x3)
292
293 /* Status Register bits */
294
295 #define HDSP_audioIRQPending    (1<<0)
296 #define HDSP_Lock2              (1<<1)     /* this is for Digiface and H9652 */
297 #define HDSP_spdifFrequency3    HDSP_Lock2 /* this is for H9632 only */
298 #define HDSP_Lock1              (1<<2)
299 #define HDSP_Lock0              (1<<3)
300 #define HDSP_SPDIFSync          (1<<4)
301 #define HDSP_TimecodeLock       (1<<5)
302 #define HDSP_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
303 #define HDSP_Sync2              (1<<16)
304 #define HDSP_Sync1              (1<<17)
305 #define HDSP_Sync0              (1<<18)
306 #define HDSP_DoubleSpeedStatus  (1<<19)
307 #define HDSP_ConfigError        (1<<20)
308 #define HDSP_DllError           (1<<21)
309 #define HDSP_spdifFrequency0    (1<<22)
310 #define HDSP_spdifFrequency1    (1<<23)
311 #define HDSP_spdifFrequency2    (1<<24)
312 #define HDSP_SPDIFErrorFlag     (1<<25)
313 #define HDSP_BufferID           (1<<26)
314 #define HDSP_TimecodeSync       (1<<27)
315 #define HDSP_AEBO               (1<<28) /* H9632 specific Analog Extension Boards */
316 #define HDSP_AEBI               (1<<29) /* 0 = present, 1 = absent */
317 #define HDSP_midi0IRQPending    (1<<30) 
318 #define HDSP_midi1IRQPending    (1<<31)
319
320 #define HDSP_spdifFrequencyMask    (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
321 #define HDSP_spdifFrequencyMask_9632 (HDSP_spdifFrequency0|\
322                                       HDSP_spdifFrequency1|\
323                                       HDSP_spdifFrequency2|\
324                                       HDSP_spdifFrequency3)
325
326 #define HDSP_spdifFrequency32KHz   (HDSP_spdifFrequency0)
327 #define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1)
328 #define HDSP_spdifFrequency48KHz   (HDSP_spdifFrequency0|HDSP_spdifFrequency1)
329
330 #define HDSP_spdifFrequency64KHz   (HDSP_spdifFrequency2)
331 #define HDSP_spdifFrequency88_2KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency2)
332 #define HDSP_spdifFrequency96KHz   (HDSP_spdifFrequency2|HDSP_spdifFrequency1)
333
334 /* This is for H9632 cards */
335 #define HDSP_spdifFrequency128KHz   (HDSP_spdifFrequency0|\
336                                      HDSP_spdifFrequency1|\
337                                      HDSP_spdifFrequency2)
338 #define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3
339 #define HDSP_spdifFrequency192KHz   (HDSP_spdifFrequency3|HDSP_spdifFrequency0)
340
341 /* Status2 Register bits */
342
343 #define HDSP_version0     (1<<0)
344 #define HDSP_version1     (1<<1)
345 #define HDSP_version2     (1<<2)
346 #define HDSP_wc_lock      (1<<3)
347 #define HDSP_wc_sync      (1<<4)
348 #define HDSP_inp_freq0    (1<<5)
349 #define HDSP_inp_freq1    (1<<6)
350 #define HDSP_inp_freq2    (1<<7)
351 #define HDSP_SelSyncRef0  (1<<8)
352 #define HDSP_SelSyncRef1  (1<<9)
353 #define HDSP_SelSyncRef2  (1<<10)
354
355 #define HDSP_wc_valid (HDSP_wc_lock|HDSP_wc_sync)
356
357 #define HDSP_systemFrequencyMask (HDSP_inp_freq0|HDSP_inp_freq1|HDSP_inp_freq2)
358 #define HDSP_systemFrequency32   (HDSP_inp_freq0)
359 #define HDSP_systemFrequency44_1 (HDSP_inp_freq1)
360 #define HDSP_systemFrequency48   (HDSP_inp_freq0|HDSP_inp_freq1)
361 #define HDSP_systemFrequency64   (HDSP_inp_freq2)
362 #define HDSP_systemFrequency88_2 (HDSP_inp_freq0|HDSP_inp_freq2)
363 #define HDSP_systemFrequency96   (HDSP_inp_freq1|HDSP_inp_freq2)
364 /* FIXME : more values for 9632 cards ? */
365
366 #define HDSP_SelSyncRefMask        (HDSP_SelSyncRef0|HDSP_SelSyncRef1|HDSP_SelSyncRef2)
367 #define HDSP_SelSyncRef_ADAT1      0
368 #define HDSP_SelSyncRef_ADAT2      (HDSP_SelSyncRef0)
369 #define HDSP_SelSyncRef_ADAT3      (HDSP_SelSyncRef1)
370 #define HDSP_SelSyncRef_SPDIF      (HDSP_SelSyncRef0|HDSP_SelSyncRef1)
371 #define HDSP_SelSyncRef_WORD       (HDSP_SelSyncRef2)
372 #define HDSP_SelSyncRef_ADAT_SYNC  (HDSP_SelSyncRef0|HDSP_SelSyncRef2)
373
374 /* Card state flags */
375
376 #define HDSP_InitializationComplete  (1<<0)
377 #define HDSP_FirmwareLoaded          (1<<1)
378 #define HDSP_FirmwareCached          (1<<2)
379
380 /* FIFO wait times, defined in terms of 1/10ths of msecs */
381
382 #define HDSP_LONG_WAIT   5000
383 #define HDSP_SHORT_WAIT  30
384
385 #define UNITY_GAIN                       32768
386 #define MINUS_INFINITY_GAIN              0
387
388 /* the size of a substream (1 mono data stream) */
389
390 #define HDSP_CHANNEL_BUFFER_SAMPLES  (16*1024)
391 #define HDSP_CHANNEL_BUFFER_BYTES    (4*HDSP_CHANNEL_BUFFER_SAMPLES)
392
393 /* the size of the area we need to allocate for DMA transfers. the
394    size is the same regardless of the number of channels - the 
395    Multiface still uses the same memory area.
396
397    Note that we allocate 1 more channel than is apparently needed
398    because the h/w seems to write 1 byte beyond the end of the last
399    page. Sigh.
400 */
401
402 #define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES)
403 #define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024)
404
405 /* use hotplug firmeare loader? */
406 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
407 #if !defined(HDSP_USE_HWDEP_LOADER) && !defined(CONFIG_SND_HDSP)
408 #define HDSP_FW_LOADER
409 #endif
410 #endif
411
412 struct hdsp_9632_meters {
413     u32 input_peak[16];
414     u32 playback_peak[16];
415     u32 output_peak[16];
416     u32 xxx_peak[16];
417     u32 padding[64];
418     u32 input_rms_low[16];
419     u32 playback_rms_low[16];
420     u32 output_rms_low[16];
421     u32 xxx_rms_low[16];
422     u32 input_rms_high[16];
423     u32 playback_rms_high[16];
424     u32 output_rms_high[16];
425     u32 xxx_rms_high[16];
426 };
427
428 struct hdsp_midi {
429     struct hdsp             *hdsp;
430     int                      id;
431     struct snd_rawmidi           *rmidi;
432     struct snd_rawmidi_substream *input;
433     struct snd_rawmidi_substream *output;
434     char                     istimer; /* timer in use */
435     struct timer_list        timer;
436     spinlock_t               lock;
437     int                      pending;
438 };
439
440 struct hdsp {
441         spinlock_t            lock;
442         struct snd_pcm_substream *capture_substream;
443         struct snd_pcm_substream *playback_substream;
444         struct hdsp_midi      midi[2];
445         struct tasklet_struct midi_tasklet;
446         int                   use_midi_tasklet;
447         int                   precise_ptr;
448         u32                   control_register;      /* cached value */
449         u32                   control2_register;     /* cached value */
450         u32                   creg_spdif;
451         u32                   creg_spdif_stream;
452         int                   clock_source_locked;
453         char                 *card_name;             /* digiface/multiface */
454         enum HDSP_IO_Type     io_type;               /* ditto, but for code use */
455         unsigned short        firmware_rev;
456         unsigned short        state;                 /* stores state bits */
457         u32                   firmware_cache[24413]; /* this helps recover from accidental iobox power failure */
458         size_t                period_bytes;          /* guess what this is */
459         unsigned char         max_channels;
460         unsigned char         qs_in_channels;        /* quad speed mode for H9632 */
461         unsigned char         ds_in_channels;
462         unsigned char         ss_in_channels;       /* different for multiface/digiface */
463         unsigned char         qs_out_channels;      
464         unsigned char         ds_out_channels;
465         unsigned char         ss_out_channels;
466
467         struct snd_dma_buffer capture_dma_buf;
468         struct snd_dma_buffer playback_dma_buf;
469         unsigned char        *capture_buffer;       /* suitably aligned address */
470         unsigned char        *playback_buffer;      /* suitably aligned address */
471
472         pid_t                 capture_pid;
473         pid_t                 playback_pid;
474         int                   running;
475         int                   system_sample_rate;
476         char                 *channel_map;
477         int                   dev;
478         int                   irq;
479         unsigned long         port;
480         void __iomem         *iobase;
481         struct snd_card *card;
482         struct snd_pcm *pcm;
483         struct snd_hwdep          *hwdep;
484         struct pci_dev       *pci;
485         struct snd_kcontrol *spdif_ctl;
486         unsigned short        mixer_matrix[HDSP_MATRIX_MIXER_SIZE];
487         unsigned int          dds_value; /* last value written to freq register */
488 };
489
490 /* These tables map the ALSA channels 1..N to the channels that we
491    need to use in order to find the relevant channel buffer. RME
492    refer to this kind of mapping as between "the ADAT channel and
493    the DMA channel." We index it using the logical audio channel,
494    and the value is the DMA channel (i.e. channel buffer number)
495    where the data for that channel can be read/written from/to.
496 */
497
498 static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
499         0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
500         18, 19, 20, 21, 22, 23, 24, 25
501 };
502
503 static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
504         /* Analog */
505         0, 1, 2, 3, 4, 5, 6, 7, 
506         /* ADAT 2 */
507         16, 17, 18, 19, 20, 21, 22, 23, 
508         /* SPDIF */
509         24, 25,
510         -1, -1, -1, -1, -1, -1, -1, -1
511 };
512
513 static char channel_map_ds[HDSP_MAX_CHANNELS] = {
514         /* ADAT channels are remapped */
515         1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
516         /* channels 12 and 13 are S/PDIF */
517         24, 25,
518         /* others don't exist */
519         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
520 };
521
522 static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
523         /* ADAT channels */
524         0, 1, 2, 3, 4, 5, 6, 7,
525         /* SPDIF */
526         8, 9,
527         /* Analog */
528         10, 11, 
529         /* AO4S-192 and AI4S-192 extension boards */
530         12, 13, 14, 15,
531         /* others don't exist */
532         -1, -1, -1, -1, -1, -1, -1, -1, 
533         -1, -1
534 };
535
536 static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
537         /* ADAT */
538         1, 3, 5, 7,
539         /* SPDIF */
540         8, 9,
541         /* Analog */
542         10, 11, 
543         /* AO4S-192 and AI4S-192 extension boards */
544         12, 13, 14, 15,
545         /* others don't exist */
546         -1, -1, -1, -1, -1, -1, -1, -1,
547         -1, -1, -1, -1, -1, -1
548 };
549
550 static char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
551         /* ADAT is disabled in this mode */
552         /* SPDIF */
553         8, 9,
554         /* Analog */
555         10, 11,
556         /* AO4S-192 and AI4S-192 extension boards */
557         12, 13, 14, 15,
558         /* others don't exist */
559         -1, -1, -1, -1, -1, -1, -1, -1,
560         -1, -1, -1, -1, -1, -1, -1, -1,
561         -1, -1
562 };
563
564 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
565 {
566         dmab->dev.type = SNDRV_DMA_TYPE_DEV;
567         dmab->dev.dev = snd_dma_pci_data(pci);
568         if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
569                 if (dmab->bytes >= size)
570                         return 0;
571         }
572         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
573                                 size, dmab) < 0)
574                 return -ENOMEM;
575         return 0;
576 }
577
578 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
579 {
580         if (dmab->area) {
581                 dmab->dev.dev = NULL; /* make it anonymous */
582                 snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
583         }
584 }
585
586
587 static struct pci_device_id snd_hdsp_ids[] = {
588         {
589                 .vendor = PCI_VENDOR_ID_XILINX,
590                 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP, 
591                 .subvendor = PCI_ANY_ID,
592                 .subdevice = PCI_ANY_ID,
593         }, /* RME Hammerfall-DSP */
594         { 0, },
595 };
596
597 MODULE_DEVICE_TABLE(pci, snd_hdsp_ids);
598
599 /* prototypes */
600 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp);
601 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp);
602 static int snd_hdsp_enable_io (struct hdsp *hdsp);
603 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp);
604 static void snd_hdsp_initialize_channels (struct hdsp *hdsp);
605 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout);
606 static int hdsp_autosync_ref(struct hdsp *hdsp);
607 static int snd_hdsp_set_defaults(struct hdsp *hdsp);
608 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp);
609
610 static int hdsp_playback_to_output_key (struct hdsp *hdsp, int in, int out)
611 {
612         switch (hdsp->io_type) {
613         case Multiface:
614         case Digiface:
615         default:
616                 if (hdsp->firmware_rev == 0xa)
617                         return (64 * out) + (32 + (in));
618                 else
619                         return (52 * out) + (26 + (in));
620         case H9632:
621                 return (32 * out) + (16 + (in));
622         case H9652:
623                 return (52 * out) + (26 + (in));
624         }
625 }
626
627 static int hdsp_input_to_output_key (struct hdsp *hdsp, int in, int out)
628 {
629         switch (hdsp->io_type) {
630         case Multiface:
631         case Digiface:
632         default:
633                 if (hdsp->firmware_rev == 0xa)
634                         return (64 * out) + in;
635                 else
636                         return (52 * out) + in;
637         case H9632:
638                 return (32 * out) + in;
639         case H9652:
640                 return (52 * out) + in;
641         }
642 }
643
644 static void hdsp_write(struct hdsp *hdsp, int reg, int val)
645 {
646         writel(val, hdsp->iobase + reg);
647 }
648
649 static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
650 {
651         return readl (hdsp->iobase + reg);
652 }
653
654 static int hdsp_check_for_iobox (struct hdsp *hdsp)
655 {
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
667 static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
668
669         int i;
670         unsigned long flags;
671
672         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
673                 
674                 snd_printk ("Hammerfall-DSP: loading firmware\n");
675
676                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM);
677                 hdsp_write (hdsp, HDSP_fifoData, 0);
678                 
679                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
680                         snd_printk ("Hammerfall-DSP: timeout waiting for download preparation\n");
681                         return -EIO;
682                 }
683                 
684                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
685                 
686                 for (i = 0; i < 24413; ++i) {
687                         hdsp_write(hdsp, HDSP_fifoData, hdsp->firmware_cache[i]);
688                         if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
689                                 snd_printk ("Hammerfall-DSP: timeout during firmware loading\n");
690                                 return -EIO;
691                         }
692                 }
693
694                 ssleep(3);
695                 
696                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
697                         snd_printk ("Hammerfall-DSP: timeout at end of firmware loading\n");
698                         return -EIO;
699                 }
700
701 #ifdef SNDRV_BIG_ENDIAN
702                 hdsp->control2_register = HDSP_BIGENDIAN_MODE;
703 #else
704                 hdsp->control2_register = 0;
705 #endif
706                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
707                 snd_printk ("Hammerfall-DSP: finished firmware loading\n");
708                 
709         }
710         if (hdsp->state & HDSP_InitializationComplete) {
711                 snd_printk(KERN_INFO "Hammerfall-DSP: firmware loaded from cache, restoring defaults\n");
712                 spin_lock_irqsave(&hdsp->lock, flags);
713                 snd_hdsp_set_defaults(hdsp);
714                 spin_unlock_irqrestore(&hdsp->lock, flags); 
715         }
716         
717         hdsp->state |= HDSP_FirmwareLoaded;
718
719         return 0;
720 }
721
722 static int hdsp_get_iobox_version (struct hdsp *hdsp)
723 {
724         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
725         
726                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_PROGRAM);
727                 hdsp_write (hdsp, HDSP_fifoData, 0);
728                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT) < 0)
729                         return -EIO;
730
731                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
732                 hdsp_write (hdsp, HDSP_fifoData, 0);
733
734                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT)) {
735                         hdsp->io_type = Multiface;
736                         hdsp_write (hdsp, HDSP_control2Reg, HDSP_VERSION_BIT);
737                         hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
738                         hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT);
739                 } else {
740                         hdsp->io_type = Digiface;
741                 } 
742         } else {
743                 /* firmware was already loaded, get iobox type */
744                 if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
745                         hdsp->io_type = Multiface;
746                 else
747                         hdsp->io_type = Digiface;
748         }
749         return 0;
750 }
751
752
753 #ifdef HDSP_FW_LOADER
754 static int hdsp_request_fw_loader(struct hdsp *hdsp);
755 #endif
756
757 static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
758 {
759         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
760                 return 0;
761         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
762                 hdsp->state &= ~HDSP_FirmwareLoaded;
763                 if (! load_on_demand)
764                         return -EIO;
765                 snd_printk(KERN_ERR "Hammerfall-DSP: firmware not present.\n");
766                 /* try to load firmware */
767                 if (! (hdsp->state & HDSP_FirmwareCached)) {
768 #ifdef HDSP_FW_LOADER
769                         if (! hdsp_request_fw_loader(hdsp))
770                                 return 0;
771 #endif
772                         snd_printk(KERN_ERR
773                                    "Hammerfall-DSP: No firmware loaded nor "
774                                    "cached, please upload firmware.\n");
775                         return -EIO;
776                 }
777                 if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
778                         snd_printk(KERN_ERR
779                                    "Hammerfall-DSP: Firmware loading from "
780                                    "cache failed, please upload manually.\n");
781                         return -EIO;
782                 }
783         }
784         return 0;
785 }
786
787
788 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout)
789 {    
790         int i;
791
792         /* the fifoStatus registers reports on how many words
793            are available in the command FIFO.
794         */
795         
796         for (i = 0; i < timeout; i++) {
797
798                 if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count)
799                         return 0;
800
801                 /* not very friendly, but we only do this during a firmware
802                    load and changing the mixer, so we just put up with it.
803                 */
804
805                 udelay (100);
806         }
807
808         snd_printk ("Hammerfall-DSP: wait for FIFO status <= %d failed after %d iterations\n",
809                     count, timeout);
810         return -1;
811 }
812
813 static int hdsp_read_gain (struct hdsp *hdsp, unsigned int addr)
814 {
815         if (addr >= HDSP_MATRIX_MIXER_SIZE)
816                 return 0;
817
818         return hdsp->mixer_matrix[addr];
819 }
820
821 static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short data)
822 {
823         unsigned int ad;
824
825         if (addr >= HDSP_MATRIX_MIXER_SIZE)
826                 return -1;
827         
828         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) {
829
830                 /* from martin bjornsen:
831                    
832                    "You can only write dwords to the
833                    mixer memory which contain two
834                    mixer values in the low and high
835                    word. So if you want to change
836                    value 0 you have to read value 1
837                    from the cache and write both to
838                    the first dword in the mixer
839                    memory."
840                 */
841
842                 if (hdsp->io_type == H9632 && addr >= 512)
843                         return 0;
844
845                 if (hdsp->io_type == H9652 && addr >= 1352)
846                         return 0;
847
848                 hdsp->mixer_matrix[addr] = data;
849
850                 
851                 /* `addr' addresses a 16-bit wide address, but
852                    the address space accessed via hdsp_write
853                    uses byte offsets. put another way, addr
854                    varies from 0 to 1351, but to access the
855                    corresponding memory location, we need
856                    to access 0 to 2703 ...
857                 */
858                 ad = addr/2;
859         
860                 hdsp_write (hdsp, 4096 + (ad*4), 
861                             (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) + 
862                             hdsp->mixer_matrix[addr&0x7fe]);
863                 
864                 return 0;
865
866         } else {
867
868                 ad = (addr << 16) + data;
869                 
870                 if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT))
871                         return -1;
872
873                 hdsp_write (hdsp, HDSP_fifoData, ad);
874                 hdsp->mixer_matrix[addr] = data;
875
876         }
877
878         return 0;
879 }
880
881 static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp)
882 {
883         unsigned long flags;
884         int ret = 1;
885
886         spin_lock_irqsave(&hdsp->lock, flags);
887         if ((hdsp->playback_pid != hdsp->capture_pid) &&
888             (hdsp->playback_pid >= 0) && (hdsp->capture_pid >= 0))
889                 ret = 0;
890         spin_unlock_irqrestore(&hdsp->lock, flags);
891         return ret;
892 }
893
894 static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
895 {
896         unsigned int status = hdsp_read(hdsp, HDSP_statusRegister);
897         unsigned int rate_bits = (status & HDSP_spdifFrequencyMask);
898
899         /* For the 9632, the mask is different */
900         if (hdsp->io_type == H9632)
901                  rate_bits = (status & HDSP_spdifFrequencyMask_9632);
902
903         if (status & HDSP_SPDIFErrorFlag)
904                 return 0;
905         
906         switch (rate_bits) {
907         case HDSP_spdifFrequency32KHz: return 32000;
908         case HDSP_spdifFrequency44_1KHz: return 44100;
909         case HDSP_spdifFrequency48KHz: return 48000;
910         case HDSP_spdifFrequency64KHz: return 64000;
911         case HDSP_spdifFrequency88_2KHz: return 88200;
912         case HDSP_spdifFrequency96KHz: return 96000;
913         case HDSP_spdifFrequency128KHz: 
914                 if (hdsp->io_type == H9632) return 128000;
915                 break;
916         case HDSP_spdifFrequency176_4KHz: 
917                 if (hdsp->io_type == H9632) return 176400;
918                 break;
919         case HDSP_spdifFrequency192KHz: 
920                 if (hdsp->io_type == H9632) return 192000;
921                 break;
922         default:
923                 break;
924         }
925         snd_printk ("Hammerfall-DSP: unknown spdif frequency status; bits = 0x%x, status = 0x%x\n", rate_bits, status);
926         return 0;
927 }
928
929 static int hdsp_external_sample_rate(struct hdsp *hdsp)
930 {
931         unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
932         unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;
933
934         /* For the 9632 card, there seems to be no bit for indicating external
935          * sample rate greater than 96kHz. The card reports the corresponding
936          * single speed. So the best means seems to get spdif rate when
937          * autosync reference is spdif */
938         if (hdsp->io_type == H9632 &&
939             hdsp_autosync_ref(hdsp) == HDSP_AUTOSYNC_FROM_SPDIF)
940                  return hdsp_spdif_sample_rate(hdsp);
941
942         switch (rate_bits) {
943         case HDSP_systemFrequency32:   return 32000;
944         case HDSP_systemFrequency44_1: return 44100;
945         case HDSP_systemFrequency48:   return 48000;
946         case HDSP_systemFrequency64:   return 64000;
947         case HDSP_systemFrequency88_2: return 88200;
948         case HDSP_systemFrequency96:   return 96000;
949         default:
950                 return 0;
951         }
952 }
953
954 static void hdsp_compute_period_size(struct hdsp *hdsp)
955 {
956         hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8));
957 }
958
959 static snd_pcm_uframes_t hdsp_hw_pointer(struct hdsp *hdsp)
960 {
961         int position;
962
963         position = hdsp_read(hdsp, HDSP_statusRegister);
964
965         if (!hdsp->precise_ptr)
966                 return (position & HDSP_BufferID) ? (hdsp->period_bytes / 4) : 0;
967
968         position &= HDSP_BufferPositionMask;
969         position /= 4;
970         position &= (hdsp->period_bytes/2) - 1;
971         return position;
972 }
973
974 static void hdsp_reset_hw_pointer(struct hdsp *hdsp)
975 {
976         hdsp_write (hdsp, HDSP_resetPointer, 0);
977         if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
978                 /* HDSP_resetPointer = HDSP_freqReg, which is strange and
979                  * requires (?) to write again DDS value after a reset pointer
980                  * (at least, it works like this) */
981                 hdsp_write (hdsp, HDSP_freqReg, hdsp->dds_value);
982 }
983
984 static void hdsp_start_audio(struct hdsp *s)
985 {
986         s->control_register |= (HDSP_AudioInterruptEnable | HDSP_Start);
987         hdsp_write(s, HDSP_controlRegister, s->control_register);
988 }
989
990 static void hdsp_stop_audio(struct hdsp *s)
991 {
992         s->control_register &= ~(HDSP_Start | HDSP_AudioInterruptEnable);
993         hdsp_write(s, HDSP_controlRegister, s->control_register);
994 }
995
996 static void hdsp_silence_playback(struct hdsp *hdsp)
997 {
998         memset(hdsp->playback_buffer, 0, HDSP_DMA_AREA_BYTES);
999 }
1000
1001 static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames)
1002 {
1003         int n;
1004
1005         spin_lock_irq(&s->lock);
1006
1007         frames >>= 7;
1008         n = 0;
1009         while (frames) {
1010                 n++;
1011                 frames >>= 1;
1012         }
1013
1014         s->control_register &= ~HDSP_LatencyMask;
1015         s->control_register |= hdsp_encode_latency(n);
1016
1017         hdsp_write(s, HDSP_controlRegister, s->control_register);
1018
1019         hdsp_compute_period_size(s);
1020
1021         spin_unlock_irq(&s->lock);
1022
1023         return 0;
1024 }
1025
1026 static void hdsp_set_dds_value(struct hdsp *hdsp, int rate)
1027 {
1028         u64 n;
1029         u32 r;
1030         
1031         if (rate >= 112000)
1032                 rate /= 4;
1033         else if (rate >= 56000)
1034                 rate /= 2;
1035
1036         n = DDS_NUMERATOR;
1037         div64_32(&n, rate, &r);
1038         /* n should be less than 2^32 for being written to FREQ register */
1039         snd_BUG_ON(n >> 32);
1040         /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS
1041            value to write it after a reset */
1042         hdsp->dds_value = n;
1043         hdsp_write(hdsp, HDSP_freqReg, hdsp->dds_value);
1044 }
1045
1046 static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
1047 {
1048         int reject_if_open = 0;
1049         int current_rate;
1050         int rate_bits;
1051
1052         /* ASSUMPTION: hdsp->lock is either held, or
1053            there is no need for it (e.g. during module
1054            initialization).
1055         */
1056         
1057         if (!(hdsp->control_register & HDSP_ClockModeMaster)) { 
1058                 if (called_internally) {
1059                         /* request from ctl or card initialization */
1060                         snd_printk(KERN_ERR "Hammerfall-DSP: device is not running as a clock master: cannot set sample rate.\n");
1061                         return -1;
1062                 } else {                
1063                         /* hw_param request while in AutoSync mode */
1064                         int external_freq = hdsp_external_sample_rate(hdsp);
1065                         int spdif_freq = hdsp_spdif_sample_rate(hdsp);
1066                 
1067                         if ((spdif_freq == external_freq*2) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1068                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in double speed mode\n");
1069                         else if (hdsp->io_type == H9632 && (spdif_freq == external_freq*4) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1070                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in quad speed mode\n");                     
1071                         else if (rate != external_freq) {
1072                                 snd_printk(KERN_INFO "Hammerfall-DSP: No AutoSync source for requested rate\n");
1073                                 return -1;
1074                         }               
1075                 }       
1076         }
1077
1078         current_rate = hdsp->system_sample_rate;
1079
1080         /* Changing from a "single speed" to a "double speed" rate is
1081            not allowed if any substreams are open. This is because
1082            such a change causes a shift in the location of 
1083            the DMA buffers and a reduction in the number of available
1084            buffers. 
1085
1086            Note that a similar but essentially insoluble problem
1087            exists for externally-driven rate changes. All we can do
1088            is to flag rate changes in the read/write routines.  */
1089
1090         if (rate > 96000 && hdsp->io_type != H9632)
1091                 return -EINVAL;
1092         
1093         switch (rate) {
1094         case 32000:
1095                 if (current_rate > 48000)
1096                         reject_if_open = 1;
1097                 rate_bits = HDSP_Frequency32KHz;
1098                 break;
1099         case 44100:
1100                 if (current_rate > 48000)
1101                         reject_if_open = 1;
1102                 rate_bits = HDSP_Frequency44_1KHz;
1103                 break;
1104         case 48000:
1105                 if (current_rate > 48000)
1106                         reject_if_open = 1;
1107                 rate_bits = HDSP_Frequency48KHz;
1108                 break;
1109         case 64000:
1110                 if (current_rate <= 48000 || current_rate > 96000)
1111                         reject_if_open = 1;
1112                 rate_bits = HDSP_Frequency64KHz;
1113                 break;
1114         case 88200:
1115                 if (current_rate <= 48000 || current_rate > 96000)
1116                         reject_if_open = 1;
1117                 rate_bits = HDSP_Frequency88_2KHz;
1118                 break;
1119         case 96000:
1120                 if (current_rate <= 48000 || current_rate > 96000)
1121                         reject_if_open = 1;
1122                 rate_bits = HDSP_Frequency96KHz;
1123                 break;
1124         case 128000:
1125                 if (current_rate < 128000)
1126                         reject_if_open = 1;
1127                 rate_bits = HDSP_Frequency128KHz;
1128                 break;
1129         case 176400:
1130                 if (current_rate < 128000)
1131                         reject_if_open = 1;
1132                 rate_bits = HDSP_Frequency176_4KHz;
1133                 break;
1134         case 192000:
1135                 if (current_rate < 128000)
1136                         reject_if_open = 1;
1137                 rate_bits = HDSP_Frequency192KHz;
1138                 break;
1139         default:
1140                 return -EINVAL;
1141         }
1142
1143         if (reject_if_open && (hdsp->capture_pid >= 0 || hdsp->playback_pid >= 0)) {
1144                 snd_printk ("Hammerfall-DSP: cannot change speed mode (capture PID = %d, playback PID = %d)\n",
1145                             hdsp->capture_pid,
1146                             hdsp->playback_pid);
1147                 return -EBUSY;
1148         }
1149
1150         hdsp->control_register &= ~HDSP_FrequencyMask;
1151         hdsp->control_register |= rate_bits;
1152         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1153
1154         /* For HDSP9632 rev 152, need to set DDS value in FREQ register */
1155         if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
1156                 hdsp_set_dds_value(hdsp, rate);
1157
1158         if (rate >= 128000) {
1159                 hdsp->channel_map = channel_map_H9632_qs;
1160         } else if (rate > 48000) {
1161                 if (hdsp->io_type == H9632)
1162                         hdsp->channel_map = channel_map_H9632_ds;
1163                 else
1164                         hdsp->channel_map = channel_map_ds;
1165         } else {
1166                 switch (hdsp->io_type) {
1167                 case Multiface:
1168                         hdsp->channel_map = channel_map_mf_ss;
1169                         break;
1170                 case Digiface:
1171                 case H9652:
1172                         hdsp->channel_map = channel_map_df_ss;
1173                         break;
1174                 case H9632:
1175                         hdsp->channel_map = channel_map_H9632_ss;
1176                         break;
1177                 default:
1178                         /* should never happen */
1179                         break;
1180                 }
1181         }
1182         
1183         hdsp->system_sample_rate = rate;
1184
1185         return 0;
1186 }
1187
1188 /*----------------------------------------------------------------------------
1189    MIDI
1190   ----------------------------------------------------------------------------*/
1191
1192 static unsigned char snd_hdsp_midi_read_byte (struct hdsp *hdsp, int id)
1193 {
1194         /* the hardware already does the relevant bit-mask with 0xff */
1195         if (id)
1196                 return hdsp_read(hdsp, HDSP_midiDataIn1);
1197         else
1198                 return hdsp_read(hdsp, HDSP_midiDataIn0);
1199 }
1200
1201 static void snd_hdsp_midi_write_byte (struct hdsp *hdsp, int id, int val)
1202 {
1203         /* the hardware already does the relevant bit-mask with 0xff */
1204         if (id)
1205                 hdsp_write(hdsp, HDSP_midiDataOut1, val);
1206         else
1207                 hdsp_write(hdsp, HDSP_midiDataOut0, val);
1208 }
1209
1210 static int snd_hdsp_midi_input_available (struct hdsp *hdsp, int id)
1211 {
1212         if (id)
1213                 return (hdsp_read(hdsp, HDSP_midiStatusIn1) & 0xff);
1214         else
1215                 return (hdsp_read(hdsp, HDSP_midiStatusIn0) & 0xff);
1216 }
1217
1218 static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id)
1219 {
1220         int fifo_bytes_used;
1221
1222         if (id)
1223                 fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut1) & 0xff;
1224         else
1225                 fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut0) & 0xff;
1226
1227         if (fifo_bytes_used < 128)
1228                 return  128 - fifo_bytes_used;
1229         else
1230                 return 0;
1231 }
1232
1233 static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id)
1234 {
1235         while (snd_hdsp_midi_input_available (hdsp, id))
1236                 snd_hdsp_midi_read_byte (hdsp, id);
1237 }
1238
1239 static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi)
1240 {
1241         unsigned long flags;
1242         int n_pending;
1243         int to_write;
1244         int i;
1245         unsigned char buf[128];
1246
1247         /* Output is not interrupt driven */
1248                 
1249         spin_lock_irqsave (&hmidi->lock, flags);
1250         if (hmidi->output) {
1251                 if (!snd_rawmidi_transmit_empty (hmidi->output)) {
1252                         if ((n_pending = snd_hdsp_midi_output_possible (hmidi->hdsp, hmidi->id)) > 0) {
1253                                 if (n_pending > (int)sizeof (buf))
1254                                         n_pending = sizeof (buf);
1255                                 
1256                                 if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
1257                                         for (i = 0; i < to_write; ++i) 
1258                                                 snd_hdsp_midi_write_byte (hmidi->hdsp, hmidi->id, buf[i]);
1259                                 }
1260                         }
1261                 }
1262         }
1263         spin_unlock_irqrestore (&hmidi->lock, flags);
1264         return 0;
1265 }
1266
1267 static int snd_hdsp_midi_input_read (struct hdsp_midi *hmidi)
1268 {
1269         unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
1270         unsigned long flags;
1271         int n_pending;
1272         int i;
1273
1274         spin_lock_irqsave (&hmidi->lock, flags);
1275         if ((n_pending = snd_hdsp_midi_input_available (hmidi->hdsp, hmidi->id)) > 0) {
1276                 if (hmidi->input) {
1277                         if (n_pending > (int)sizeof (buf))
1278                                 n_pending = sizeof (buf);
1279                         for (i = 0; i < n_pending; ++i)
1280                                 buf[i] = snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1281                         if (n_pending)
1282                                 snd_rawmidi_receive (hmidi->input, buf, n_pending);
1283                 } else {
1284                         /* flush the MIDI input FIFO */
1285                         while (--n_pending)
1286                                 snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1287                 }
1288         }
1289         hmidi->pending = 0;
1290         if (hmidi->id)
1291                 hmidi->hdsp->control_register |= HDSP_Midi1InterruptEnable;
1292         else
1293                 hmidi->hdsp->control_register |= HDSP_Midi0InterruptEnable;
1294         hdsp_write(hmidi->hdsp, HDSP_controlRegister, hmidi->hdsp->control_register);
1295         spin_unlock_irqrestore (&hmidi->lock, flags);
1296         return snd_hdsp_midi_output_write (hmidi);
1297 }
1298
1299 static void snd_hdsp_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1300 {
1301         struct hdsp *hdsp;
1302         struct hdsp_midi *hmidi;
1303         unsigned long flags;
1304         u32 ie;
1305
1306         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1307         hdsp = hmidi->hdsp;
1308         ie = hmidi->id ? HDSP_Midi1InterruptEnable : HDSP_Midi0InterruptEnable;
1309         spin_lock_irqsave (&hdsp->lock, flags);
1310         if (up) {
1311                 if (!(hdsp->control_register & ie)) {
1312                         snd_hdsp_flush_midi_input (hdsp, hmidi->id);
1313                         hdsp->control_register |= ie;
1314                 }
1315         } else {
1316                 hdsp->control_register &= ~ie;
1317                 tasklet_kill(&hdsp->midi_tasklet);
1318         }
1319
1320         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1321         spin_unlock_irqrestore (&hdsp->lock, flags);
1322 }
1323
1324 static void snd_hdsp_midi_output_timer(unsigned long data)
1325 {
1326         struct hdsp_midi *hmidi = (struct hdsp_midi *) data;
1327         unsigned long flags;
1328         
1329         snd_hdsp_midi_output_write(hmidi);
1330         spin_lock_irqsave (&hmidi->lock, flags);
1331
1332         /* this does not bump hmidi->istimer, because the
1333            kernel automatically removed the timer when it
1334            expired, and we are now adding it back, thus
1335            leaving istimer wherever it was set before.  
1336         */
1337
1338         if (hmidi->istimer) {
1339                 hmidi->timer.expires = 1 + jiffies;
1340                 add_timer(&hmidi->timer);
1341         }
1342
1343         spin_unlock_irqrestore (&hmidi->lock, flags);
1344 }
1345
1346 static void snd_hdsp_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1347 {
1348         struct hdsp_midi *hmidi;
1349         unsigned long flags;
1350
1351         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1352         spin_lock_irqsave (&hmidi->lock, flags);
1353         if (up) {
1354                 if (!hmidi->istimer) {
1355                         init_timer(&hmidi->timer);
1356                         hmidi->timer.function = snd_hdsp_midi_output_timer;
1357                         hmidi->timer.data = (unsigned long) hmidi;
1358                         hmidi->timer.expires = 1 + jiffies;
1359                         add_timer(&hmidi->timer);
1360                         hmidi->istimer++;
1361                 }
1362         } else {
1363                 if (hmidi->istimer && --hmidi->istimer <= 0)
1364                         del_timer (&hmidi->timer);
1365         }
1366         spin_unlock_irqrestore (&hmidi->lock, flags);
1367         if (up)
1368                 snd_hdsp_midi_output_write(hmidi);
1369 }
1370
1371 static int snd_hdsp_midi_input_open(struct snd_rawmidi_substream *substream)
1372 {
1373         struct hdsp_midi *hmidi;
1374
1375         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1376         spin_lock_irq (&hmidi->lock);
1377         snd_hdsp_flush_midi_input (hmidi->hdsp, hmidi->id);
1378         hmidi->input = substream;
1379         spin_unlock_irq (&hmidi->lock);
1380
1381         return 0;
1382 }
1383
1384 static int snd_hdsp_midi_output_open(struct snd_rawmidi_substream *substream)
1385 {
1386         struct hdsp_midi *hmidi;
1387
1388         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1389         spin_lock_irq (&hmidi->lock);
1390         hmidi->output = substream;
1391         spin_unlock_irq (&hmidi->lock);
1392
1393         return 0;
1394 }
1395
1396 static int snd_hdsp_midi_input_close(struct snd_rawmidi_substream *substream)
1397 {
1398         struct hdsp_midi *hmidi;
1399
1400         snd_hdsp_midi_input_trigger (substream, 0);
1401
1402         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1403         spin_lock_irq (&hmidi->lock);
1404         hmidi->input = NULL;
1405         spin_unlock_irq (&hmidi->lock);
1406
1407         return 0;
1408 }
1409
1410 static int snd_hdsp_midi_output_close(struct snd_rawmidi_substream *substream)
1411 {
1412         struct hdsp_midi *hmidi;
1413
1414         snd_hdsp_midi_output_trigger (substream, 0);
1415
1416         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1417         spin_lock_irq (&hmidi->lock);
1418         hmidi->output = NULL;
1419         spin_unlock_irq (&hmidi->lock);
1420
1421         return 0;
1422 }
1423
1424 static struct snd_rawmidi_ops snd_hdsp_midi_output =
1425 {
1426         .open =         snd_hdsp_midi_output_open,
1427         .close =        snd_hdsp_midi_output_close,
1428         .trigger =      snd_hdsp_midi_output_trigger,
1429 };
1430
1431 static struct snd_rawmidi_ops snd_hdsp_midi_input =
1432 {
1433         .open =         snd_hdsp_midi_input_open,
1434         .close =        snd_hdsp_midi_input_close,
1435         .trigger =      snd_hdsp_midi_input_trigger,
1436 };
1437
1438 static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int id)
1439 {
1440         char buf[32];
1441
1442         hdsp->midi[id].id = id;
1443         hdsp->midi[id].rmidi = NULL;
1444         hdsp->midi[id].input = NULL;
1445         hdsp->midi[id].output = NULL;
1446         hdsp->midi[id].hdsp = hdsp;
1447         hdsp->midi[id].istimer = 0;
1448         hdsp->midi[id].pending = 0;
1449         spin_lock_init (&hdsp->midi[id].lock);
1450
1451         sprintf (buf, "%s MIDI %d", card->shortname, id+1);
1452         if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0)
1453                 return -1;
1454
1455         sprintf (hdsp->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
1456         hdsp->midi[id].rmidi->private_data = &hdsp->midi[id];
1457
1458         snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdsp_midi_output);
1459         snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdsp_midi_input);
1460
1461         hdsp->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1462                 SNDRV_RAWMIDI_INFO_INPUT |
1463                 SNDRV_RAWMIDI_INFO_DUPLEX;
1464
1465         return 0;
1466 }
1467
1468 /*-----------------------------------------------------------------------------
1469   Control Interface
1470   ----------------------------------------------------------------------------*/
1471
1472 static u32 snd_hdsp_convert_from_aes(struct snd_aes_iec958 *aes)
1473 {
1474         u32 val = 0;
1475         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? HDSP_SPDIFProfessional : 0;
1476         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? HDSP_SPDIFNonAudio : 0;
1477         if (val & HDSP_SPDIFProfessional)
1478                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1479         else
1480                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1481         return val;
1482 }
1483
1484 static void snd_hdsp_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
1485 {
1486         aes->status[0] = ((val & HDSP_SPDIFProfessional) ? IEC958_AES0_PROFESSIONAL : 0) |
1487                          ((val & HDSP_SPDIFNonAudio) ? IEC958_AES0_NONAUDIO : 0);
1488         if (val & HDSP_SPDIFProfessional)
1489                 aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
1490         else
1491                 aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
1492 }
1493
1494 static int snd_hdsp_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1495 {
1496         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1497         uinfo->count = 1;
1498         return 0;
1499 }
1500
1501 static int snd_hdsp_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1502 {
1503         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1504         
1505         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif);
1506         return 0;
1507 }
1508
1509 static int snd_hdsp_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1510 {
1511         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1512         int change;
1513         u32 val;
1514         
1515         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1516         spin_lock_irq(&hdsp->lock);
1517         change = val != hdsp->creg_spdif;
1518         hdsp->creg_spdif = val;
1519         spin_unlock_irq(&hdsp->lock);
1520         return change;
1521 }
1522
1523 static int snd_hdsp_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1524 {
1525         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1526         uinfo->count = 1;
1527         return 0;
1528 }
1529
1530 static int snd_hdsp_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1531 {
1532         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1533         
1534         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif_stream);
1535         return 0;
1536 }
1537
1538 static int snd_hdsp_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1539 {
1540         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1541         int change;
1542         u32 val;
1543         
1544         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1545         spin_lock_irq(&hdsp->lock);
1546         change = val != hdsp->creg_spdif_stream;
1547         hdsp->creg_spdif_stream = val;
1548         hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
1549         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= val);
1550         spin_unlock_irq(&hdsp->lock);
1551         return change;
1552 }
1553
1554 static int snd_hdsp_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1555 {
1556         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1557         uinfo->count = 1;
1558         return 0;
1559 }
1560
1561 static int snd_hdsp_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1562 {
1563         ucontrol->value.iec958.status[0] = kcontrol->private_value;
1564         return 0;
1565 }
1566
1567 #define HDSP_SPDIF_IN(xname, xindex) \
1568 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1569   .name = xname, \
1570   .index = xindex, \
1571   .info = snd_hdsp_info_spdif_in, \
1572   .get = snd_hdsp_get_spdif_in, \
1573   .put = snd_hdsp_put_spdif_in }
1574
1575 static unsigned int hdsp_spdif_in(struct hdsp *hdsp)
1576 {
1577         return hdsp_decode_spdif_in(hdsp->control_register & HDSP_SPDIFInputMask);
1578 }
1579
1580 static int hdsp_set_spdif_input(struct hdsp *hdsp, int in)
1581 {
1582         hdsp->control_register &= ~HDSP_SPDIFInputMask;
1583         hdsp->control_register |= hdsp_encode_spdif_in(in);
1584         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1585         return 0;
1586 }
1587
1588 static int snd_hdsp_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1589 {
1590         static char *texts[4] = {"Optical", "Coaxial", "Internal", "AES"};
1591         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1592
1593         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1594         uinfo->count = 1;
1595         uinfo->value.enumerated.items = ((hdsp->io_type == H9632) ? 4 : 3);
1596         if (uinfo->value.enumerated.item > ((hdsp->io_type == H9632) ? 3 : 2))
1597                 uinfo->value.enumerated.item = ((hdsp->io_type == H9632) ? 3 : 2);
1598         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1599         return 0;
1600 }
1601
1602 static int snd_hdsp_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1603 {
1604         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1605         
1606         ucontrol->value.enumerated.item[0] = hdsp_spdif_in(hdsp);
1607         return 0;
1608 }
1609
1610 static int snd_hdsp_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1611 {
1612         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1613         int change;
1614         unsigned int val;
1615         
1616         if (!snd_hdsp_use_is_exclusive(hdsp))
1617                 return -EBUSY;
1618         val = ucontrol->value.enumerated.item[0] % ((hdsp->io_type == H9632) ? 4 : 3);
1619         spin_lock_irq(&hdsp->lock);
1620         change = val != hdsp_spdif_in(hdsp);
1621         if (change)
1622                 hdsp_set_spdif_input(hdsp, val);
1623         spin_unlock_irq(&hdsp->lock);
1624         return change;
1625 }
1626
1627 #define HDSP_SPDIF_OUT(xname, xindex) \
1628 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1629   .info = snd_hdsp_info_spdif_bits, \
1630   .get = snd_hdsp_get_spdif_out, .put = snd_hdsp_put_spdif_out }
1631
1632 static int hdsp_spdif_out(struct hdsp *hdsp)
1633 {
1634         return (hdsp->control_register & HDSP_SPDIFOpticalOut) ? 1 : 0;
1635 }
1636
1637 static int hdsp_set_spdif_output(struct hdsp *hdsp, int out)
1638 {
1639         if (out)
1640                 hdsp->control_register |= HDSP_SPDIFOpticalOut;
1641         else
1642                 hdsp->control_register &= ~HDSP_SPDIFOpticalOut;
1643         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1644         return 0;
1645 }
1646
1647 #define snd_hdsp_info_spdif_bits        snd_ctl_boolean_mono_info
1648
1649 static int snd_hdsp_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1650 {
1651         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1652         
1653         ucontrol->value.integer.value[0] = hdsp_spdif_out(hdsp);
1654         return 0;
1655 }
1656
1657 static int snd_hdsp_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1658 {
1659         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1660         int change;
1661         unsigned int val;
1662         
1663         if (!snd_hdsp_use_is_exclusive(hdsp))
1664                 return -EBUSY;
1665         val = ucontrol->value.integer.value[0] & 1;
1666         spin_lock_irq(&hdsp->lock);
1667         change = (int)val != hdsp_spdif_out(hdsp);
1668         hdsp_set_spdif_output(hdsp, val);
1669         spin_unlock_irq(&hdsp->lock);
1670         return change;
1671 }
1672
1673 #define HDSP_SPDIF_PROFESSIONAL(xname, xindex) \
1674 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1675   .info = snd_hdsp_info_spdif_bits, \
1676   .get = snd_hdsp_get_spdif_professional, .put = snd_hdsp_put_spdif_professional }
1677
1678 static int hdsp_spdif_professional(struct hdsp *hdsp)
1679 {
1680         return (hdsp->control_register & HDSP_SPDIFProfessional) ? 1 : 0;
1681 }
1682
1683 static int hdsp_set_spdif_professional(struct hdsp *hdsp, int val)
1684 {
1685         if (val)
1686                 hdsp->control_register |= HDSP_SPDIFProfessional;
1687         else
1688                 hdsp->control_register &= ~HDSP_SPDIFProfessional;
1689         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1690         return 0;
1691 }
1692
1693 static int snd_hdsp_get_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1694 {
1695         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1696         
1697         ucontrol->value.integer.value[0] = hdsp_spdif_professional(hdsp);
1698         return 0;
1699 }
1700
1701 static int snd_hdsp_put_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1702 {
1703         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1704         int change;
1705         unsigned int val;
1706         
1707         if (!snd_hdsp_use_is_exclusive(hdsp))
1708                 return -EBUSY;
1709         val = ucontrol->value.integer.value[0] & 1;
1710         spin_lock_irq(&hdsp->lock);
1711         change = (int)val != hdsp_spdif_professional(hdsp);
1712         hdsp_set_spdif_professional(hdsp, val);
1713         spin_unlock_irq(&hdsp->lock);
1714         return change;
1715 }
1716
1717 #define HDSP_SPDIF_EMPHASIS(xname, xindex) \
1718 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1719   .info = snd_hdsp_info_spdif_bits, \
1720   .get = snd_hdsp_get_spdif_emphasis, .put = snd_hdsp_put_spdif_emphasis }
1721
1722 static int hdsp_spdif_emphasis(struct hdsp *hdsp)
1723 {
1724         return (hdsp->control_register & HDSP_SPDIFEmphasis) ? 1 : 0;
1725 }
1726
1727 static int hdsp_set_spdif_emphasis(struct hdsp *hdsp, int val)
1728 {
1729         if (val)
1730                 hdsp->control_register |= HDSP_SPDIFEmphasis;
1731         else
1732                 hdsp->control_register &= ~HDSP_SPDIFEmphasis;
1733         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1734         return 0;
1735 }
1736
1737 static int snd_hdsp_get_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1738 {
1739         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1740         
1741         ucontrol->value.integer.value[0] = hdsp_spdif_emphasis(hdsp);
1742         return 0;
1743 }
1744
1745 static int snd_hdsp_put_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1746 {
1747         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1748         int change;
1749         unsigned int val;
1750         
1751         if (!snd_hdsp_use_is_exclusive(hdsp))
1752                 return -EBUSY;
1753         val = ucontrol->value.integer.value[0] & 1;
1754         spin_lock_irq(&hdsp->lock);
1755         change = (int)val != hdsp_spdif_emphasis(hdsp);
1756         hdsp_set_spdif_emphasis(hdsp, val);
1757         spin_unlock_irq(&hdsp->lock);
1758         return change;
1759 }
1760
1761 #define HDSP_SPDIF_NON_AUDIO(xname, xindex) \
1762 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1763   .info = snd_hdsp_info_spdif_bits, \
1764   .get = snd_hdsp_get_spdif_nonaudio, .put = snd_hdsp_put_spdif_nonaudio }
1765
1766 static int hdsp_spdif_nonaudio(struct hdsp *hdsp)
1767 {
1768         return (hdsp->control_register & HDSP_SPDIFNonAudio) ? 1 : 0;
1769 }
1770
1771 static int hdsp_set_spdif_nonaudio(struct hdsp *hdsp, int val)
1772 {
1773         if (val)
1774                 hdsp->control_register |= HDSP_SPDIFNonAudio;
1775         else
1776                 hdsp->control_register &= ~HDSP_SPDIFNonAudio;
1777         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1778         return 0;
1779 }
1780
1781 static int snd_hdsp_get_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1782 {
1783         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1784         
1785         ucontrol->value.integer.value[0] = hdsp_spdif_nonaudio(hdsp);
1786         return 0;
1787 }
1788
1789 static int snd_hdsp_put_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1790 {
1791         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1792         int change;
1793         unsigned int val;
1794         
1795         if (!snd_hdsp_use_is_exclusive(hdsp))
1796                 return -EBUSY;
1797         val = ucontrol->value.integer.value[0] & 1;
1798         spin_lock_irq(&hdsp->lock);
1799         change = (int)val != hdsp_spdif_nonaudio(hdsp);
1800         hdsp_set_spdif_nonaudio(hdsp, val);
1801         spin_unlock_irq(&hdsp->lock);
1802         return change;
1803 }
1804
1805 #define HDSP_SPDIF_SAMPLE_RATE(xname, xindex) \
1806 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1807   .name = xname, \
1808   .index = xindex, \
1809   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1810   .info = snd_hdsp_info_spdif_sample_rate, \
1811   .get = snd_hdsp_get_spdif_sample_rate \
1812 }
1813
1814 static int snd_hdsp_info_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1815 {
1816         static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1817         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1818
1819         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1820         uinfo->count = 1;
1821         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7;
1822         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1823                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1824         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1825         return 0;
1826 }
1827
1828 static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1829 {
1830         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1831         
1832         switch (hdsp_spdif_sample_rate(hdsp)) {
1833         case 32000:
1834                 ucontrol->value.enumerated.item[0] = 0;
1835                 break;
1836         case 44100:
1837                 ucontrol->value.enumerated.item[0] = 1;
1838                 break;
1839         case 48000:
1840                 ucontrol->value.enumerated.item[0] = 2;
1841                 break;
1842         case 64000:
1843                 ucontrol->value.enumerated.item[0] = 3;
1844                 break;
1845         case 88200:
1846                 ucontrol->value.enumerated.item[0] = 4;
1847                 break;
1848         case 96000:
1849                 ucontrol->value.enumerated.item[0] = 5;
1850                 break;
1851         case 128000:
1852                 ucontrol->value.enumerated.item[0] = 7;
1853                 break;
1854         case 176400:
1855                 ucontrol->value.enumerated.item[0] = 8;
1856                 break;
1857         case 192000:
1858                 ucontrol->value.enumerated.item[0] = 9;
1859                 break;
1860         default:
1861                 ucontrol->value.enumerated.item[0] = 6;         
1862         }
1863         return 0;
1864 }
1865
1866 #define HDSP_SYSTEM_SAMPLE_RATE(xname, xindex) \
1867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1868   .name = xname, \
1869   .index = xindex, \
1870   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1871   .info = snd_hdsp_info_system_sample_rate, \
1872   .get = snd_hdsp_get_system_sample_rate \
1873 }
1874
1875 static int snd_hdsp_info_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1876 {
1877         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1878         uinfo->count = 1;
1879         return 0;
1880 }
1881
1882 static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1883 {
1884         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1885         
1886         ucontrol->value.enumerated.item[0] = hdsp->system_sample_rate;
1887         return 0;
1888 }
1889
1890 #define HDSP_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1891 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1892   .name = xname, \
1893   .index = xindex, \
1894   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1895   .info = snd_hdsp_info_autosync_sample_rate, \
1896   .get = snd_hdsp_get_autosync_sample_rate \
1897 }
1898
1899 static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1900 {
1901         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1902         static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};    
1903         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1904         uinfo->count = 1;
1905         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7 ;
1906         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1907                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1908         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1909         return 0;
1910 }
1911
1912 static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1913 {
1914         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1915         
1916         switch (hdsp_external_sample_rate(hdsp)) {
1917         case 32000:
1918                 ucontrol->value.enumerated.item[0] = 0;
1919                 break;
1920         case 44100:
1921                 ucontrol->value.enumerated.item[0] = 1;
1922                 break;
1923         case 48000:
1924                 ucontrol->value.enumerated.item[0] = 2;
1925                 break;
1926         case 64000:
1927                 ucontrol->value.enumerated.item[0] = 3;
1928                 break;
1929         case 88200:
1930                 ucontrol->value.enumerated.item[0] = 4;
1931                 break;
1932         case 96000:
1933                 ucontrol->value.enumerated.item[0] = 5;
1934                 break;
1935         case 128000:
1936                 ucontrol->value.enumerated.item[0] = 7;
1937                 break;
1938         case 176400:
1939                 ucontrol->value.enumerated.item[0] = 8;
1940                 break;
1941         case 192000:
1942                 ucontrol->value.enumerated.item[0] = 9;
1943                 break;  
1944         default:
1945                 ucontrol->value.enumerated.item[0] = 6;         
1946         }
1947         return 0;
1948 }
1949
1950 #define HDSP_SYSTEM_CLOCK_MODE(xname, xindex) \
1951 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1952   .name = xname, \
1953   .index = xindex, \
1954   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1955   .info = snd_hdsp_info_system_clock_mode, \
1956   .get = snd_hdsp_get_system_clock_mode \
1957 }
1958
1959 static int hdsp_system_clock_mode(struct hdsp *hdsp)
1960 {
1961         if (hdsp->control_register & HDSP_ClockModeMaster)
1962                 return 0;
1963         else if (hdsp_external_sample_rate(hdsp) != hdsp->system_sample_rate)
1964                         return 0;
1965         return 1;
1966 }
1967
1968 static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1969 {
1970         static char *texts[] = {"Master", "Slave" };
1971         
1972         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1973         uinfo->count = 1;
1974         uinfo->value.enumerated.items = 2;
1975         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1976                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1977         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1978         return 0;
1979 }
1980
1981 static int snd_hdsp_get_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1982 {
1983         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1984         
1985         ucontrol->value.enumerated.item[0] = hdsp_system_clock_mode(hdsp);
1986         return 0;
1987 }
1988
1989 #define HDSP_CLOCK_SOURCE(xname, xindex) \
1990 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1991   .name = xname, \
1992   .index = xindex, \
1993   .info = snd_hdsp_info_clock_source, \
1994   .get = snd_hdsp_get_clock_source, \
1995   .put = snd_hdsp_put_clock_source \
1996 }
1997
1998 static int hdsp_clock_source(struct hdsp *hdsp)
1999 {
2000         if (hdsp->control_register & HDSP_ClockModeMaster) {
2001                 switch (hdsp->system_sample_rate) {
2002                 case 32000:
2003                         return 1;
2004                 case 44100:
2005                         return 2;
2006                 case 48000:
2007                         return 3;
2008                 case 64000:
2009                         return 4;
2010                 case 88200:
2011                         return 5;
2012                 case 96000:
2013                         return 6;
2014                 case 128000:
2015                         return 7;
2016                 case 176400:
2017                         return 8;
2018                 case 192000:
2019                         return 9;
2020                 default:
2021                         return 3;       
2022                 }
2023         } else {
2024                 return 0;
2025         }
2026 }
2027
2028 static int hdsp_set_clock_source(struct hdsp *hdsp, int mode)
2029 {
2030         int rate;
2031         switch (mode) {
2032         case HDSP_CLOCK_SOURCE_AUTOSYNC:
2033                 if (hdsp_external_sample_rate(hdsp) != 0) {
2034                     if (!hdsp_set_rate(hdsp, hdsp_external_sample_rate(hdsp), 1)) {
2035                         hdsp->control_register &= ~HDSP_ClockModeMaster;                
2036                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2037                         return 0;
2038                     }
2039                 }
2040                 return -1;
2041         case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
2042                 rate = 32000;
2043                 break;
2044         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
2045                 rate = 44100;
2046                 break;      
2047         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
2048                 rate = 48000;
2049                 break;
2050         case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
2051                 rate = 64000;
2052                 break;
2053         case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
2054                 rate = 88200;
2055                 break;
2056         case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
2057                 rate = 96000;
2058                 break;
2059         case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
2060                 rate = 128000;
2061                 break;
2062         case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
2063                 rate = 176400;
2064                 break;
2065         case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
2066                 rate = 192000;
2067                 break;
2068         default:
2069                 rate = 48000;
2070         }
2071         hdsp->control_register |= HDSP_ClockModeMaster;
2072         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2073         hdsp_set_rate(hdsp, rate, 1);
2074         return 0;
2075 }
2076
2077 static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2078 {
2079         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" };
2080         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2081         
2082         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2083         uinfo->count = 1;
2084         if (hdsp->io_type == H9632)
2085             uinfo->value.enumerated.items = 10;
2086         else
2087             uinfo->value.enumerated.items = 7;  
2088         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2089                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2090         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2091         return 0;
2092 }
2093
2094 static int snd_hdsp_get_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2095 {
2096         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2097         
2098         ucontrol->value.enumerated.item[0] = hdsp_clock_source(hdsp);
2099         return 0;
2100 }
2101
2102 static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2103 {
2104         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2105         int change;
2106         int val;
2107         
2108         if (!snd_hdsp_use_is_exclusive(hdsp))
2109                 return -EBUSY;
2110         val = ucontrol->value.enumerated.item[0];
2111         if (val < 0) val = 0;
2112         if (hdsp->io_type == H9632) {
2113                 if (val > 9)
2114                         val = 9;
2115         } else {
2116                 if (val > 6)
2117                         val = 6;
2118         }
2119         spin_lock_irq(&hdsp->lock);
2120         if (val != hdsp_clock_source(hdsp))
2121                 change = (hdsp_set_clock_source(hdsp, val) == 0) ? 1 : 0;
2122         else
2123                 change = 0;
2124         spin_unlock_irq(&hdsp->lock);
2125         return change;
2126 }
2127
2128 #define snd_hdsp_info_clock_source_lock         snd_ctl_boolean_mono_info
2129
2130 static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2131 {
2132         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2133         
2134         ucontrol->value.integer.value[0] = hdsp->clock_source_locked;
2135         return 0;
2136 }
2137
2138 static int snd_hdsp_put_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2139 {
2140         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2141         int change;
2142
2143         change = (int)ucontrol->value.integer.value[0] != hdsp->clock_source_locked;
2144         if (change)
2145                 hdsp->clock_source_locked = !!ucontrol->value.integer.value[0];
2146         return change;
2147 }
2148
2149 #define HDSP_DA_GAIN(xname, xindex) \
2150 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2151   .name = xname, \
2152   .index = xindex, \
2153   .info = snd_hdsp_info_da_gain, \
2154   .get = snd_hdsp_get_da_gain, \
2155   .put = snd_hdsp_put_da_gain \
2156 }
2157
2158 static int hdsp_da_gain(struct hdsp *hdsp)
2159 {
2160         switch (hdsp->control_register & HDSP_DAGainMask) {
2161         case HDSP_DAGainHighGain:
2162                 return 0;
2163         case HDSP_DAGainPlus4dBu:
2164                 return 1;
2165         case HDSP_DAGainMinus10dBV:
2166                 return 2;
2167         default:
2168                 return 1;       
2169         }
2170 }
2171
2172 static int hdsp_set_da_gain(struct hdsp *hdsp, int mode)
2173 {
2174         hdsp->control_register &= ~HDSP_DAGainMask;
2175         switch (mode) {
2176         case 0:
2177                 hdsp->control_register |= HDSP_DAGainHighGain;
2178                 break;
2179         case 1:
2180                 hdsp->control_register |= HDSP_DAGainPlus4dBu;
2181                 break;
2182         case 2:
2183                 hdsp->control_register |= HDSP_DAGainMinus10dBV;                
2184                 break;      
2185         default:
2186                 return -1;
2187
2188         }
2189         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2190         return 0;
2191 }
2192
2193 static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2194 {
2195         static char *texts[] = {"Hi Gain", "+4 dBu", "-10 dbV"};
2196         
2197         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2198         uinfo->count = 1;
2199         uinfo->value.enumerated.items = 3;
2200         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2201                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2202         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2203         return 0;
2204 }
2205
2206 static int snd_hdsp_get_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2207 {
2208         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2209         
2210         ucontrol->value.enumerated.item[0] = hdsp_da_gain(hdsp);
2211         return 0;
2212 }
2213
2214 static int snd_hdsp_put_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2215 {
2216         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2217         int change;
2218         int val;
2219         
2220         if (!snd_hdsp_use_is_exclusive(hdsp))
2221                 return -EBUSY;
2222         val = ucontrol->value.enumerated.item[0];
2223         if (val < 0) val = 0;
2224         if (val > 2) val = 2;
2225         spin_lock_irq(&hdsp->lock);
2226         if (val != hdsp_da_gain(hdsp))
2227                 change = (hdsp_set_da_gain(hdsp, val) == 0) ? 1 : 0;
2228         else
2229                 change = 0;
2230         spin_unlock_irq(&hdsp->lock);
2231         return change;
2232 }
2233
2234 #define HDSP_AD_GAIN(xname, xindex) \
2235 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2236   .name = xname, \
2237   .index = xindex, \
2238   .info = snd_hdsp_info_ad_gain, \
2239   .get = snd_hdsp_get_ad_gain, \
2240   .put = snd_hdsp_put_ad_gain \
2241 }
2242
2243 static int hdsp_ad_gain(struct hdsp *hdsp)
2244 {
2245         switch (hdsp->control_register & HDSP_ADGainMask) {
2246         case HDSP_ADGainMinus10dBV:
2247                 return 0;
2248         case HDSP_ADGainPlus4dBu:
2249                 return 1;
2250         case HDSP_ADGainLowGain:
2251                 return 2;
2252         default:
2253                 return 1;       
2254         }
2255 }
2256
2257 static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode)
2258 {
2259         hdsp->control_register &= ~HDSP_ADGainMask;
2260         switch (mode) {
2261         case 0:
2262                 hdsp->control_register |= HDSP_ADGainMinus10dBV;
2263                 break;
2264         case 1:
2265                 hdsp->control_register |= HDSP_ADGainPlus4dBu;          
2266                 break;
2267         case 2:
2268                 hdsp->control_register |= HDSP_ADGainLowGain;           
2269                 break;      
2270         default:
2271                 return -1;
2272
2273         }
2274         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2275         return 0;
2276 }
2277
2278 static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2279 {
2280         static char *texts[] = {"-10 dBV", "+4 dBu", "Lo Gain"};
2281         
2282         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2283         uinfo->count = 1;
2284         uinfo->value.enumerated.items = 3;
2285         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2286                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2287         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2288         return 0;
2289 }
2290
2291 static int snd_hdsp_get_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2292 {
2293         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2294         
2295         ucontrol->value.enumerated.item[0] = hdsp_ad_gain(hdsp);
2296         return 0;
2297 }
2298
2299 static int snd_hdsp_put_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2300 {
2301         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2302         int change;
2303         int val;
2304         
2305         if (!snd_hdsp_use_is_exclusive(hdsp))
2306                 return -EBUSY;
2307         val = ucontrol->value.enumerated.item[0];
2308         if (val < 0) val = 0;
2309         if (val > 2) val = 2;
2310         spin_lock_irq(&hdsp->lock);
2311         if (val != hdsp_ad_gain(hdsp))
2312                 change = (hdsp_set_ad_gain(hdsp, val) == 0) ? 1 : 0;
2313         else
2314                 change = 0;
2315         spin_unlock_irq(&hdsp->lock);
2316         return change;
2317 }
2318
2319 #define HDSP_PHONE_GAIN(xname, xindex) \
2320 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2321   .name = xname, \
2322   .index = xindex, \
2323   .info = snd_hdsp_info_phone_gain, \
2324   .get = snd_hdsp_get_phone_gain, \
2325   .put = snd_hdsp_put_phone_gain \
2326 }
2327
2328 static int hdsp_phone_gain(struct hdsp *hdsp)
2329 {
2330         switch (hdsp->control_register & HDSP_PhoneGainMask) {
2331         case HDSP_PhoneGain0dB:
2332                 return 0;
2333         case HDSP_PhoneGainMinus6dB:
2334                 return 1;
2335         case HDSP_PhoneGainMinus12dB:
2336                 return 2;
2337         default:
2338                 return 0;       
2339         }
2340 }
2341
2342 static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode)
2343 {
2344         hdsp->control_register &= ~HDSP_PhoneGainMask;
2345         switch (mode) {
2346         case 0:
2347                 hdsp->control_register |= HDSP_PhoneGain0dB;
2348                 break;
2349         case 1:
2350                 hdsp->control_register |= HDSP_PhoneGainMinus6dB;               
2351                 break;
2352         case 2:
2353                 hdsp->control_register |= HDSP_PhoneGainMinus12dB;              
2354                 break;      
2355         default:
2356                 return -1;
2357
2358         }
2359         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2360         return 0;
2361 }
2362
2363 static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2364 {
2365         static char *texts[] = {"0 dB", "-6 dB", "-12 dB"};
2366         
2367         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2368         uinfo->count = 1;
2369         uinfo->value.enumerated.items = 3;
2370         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2371                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2372         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2373         return 0;
2374 }
2375
2376 static int snd_hdsp_get_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2377 {
2378         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2379         
2380         ucontrol->value.enumerated.item[0] = hdsp_phone_gain(hdsp);
2381         return 0;
2382 }
2383
2384 static int snd_hdsp_put_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2385 {
2386         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2387         int change;
2388         int val;
2389         
2390         if (!snd_hdsp_use_is_exclusive(hdsp))
2391                 return -EBUSY;
2392         val = ucontrol->value.enumerated.item[0];
2393         if (val < 0) val = 0;
2394         if (val > 2) val = 2;
2395         spin_lock_irq(&hdsp->lock);
2396         if (val != hdsp_phone_gain(hdsp))
2397                 change = (hdsp_set_phone_gain(hdsp, val) == 0) ? 1 : 0;
2398         else
2399                 change = 0;
2400         spin_unlock_irq(&hdsp->lock);
2401         return change;
2402 }
2403
2404 #define HDSP_XLR_BREAKOUT_CABLE(xname, xindex) \
2405 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2406   .name = xname, \
2407   .index = xindex, \
2408   .info = snd_hdsp_info_xlr_breakout_cable, \
2409   .get = snd_hdsp_get_xlr_breakout_cable, \
2410   .put = snd_hdsp_put_xlr_breakout_cable \
2411 }
2412
2413 static int hdsp_xlr_breakout_cable(struct hdsp *hdsp)
2414 {
2415         if (hdsp->control_register & HDSP_XLRBreakoutCable)
2416                 return 1;
2417         return 0;
2418 }
2419
2420 static int hdsp_set_xlr_breakout_cable(struct hdsp *hdsp, int mode)
2421 {
2422         if (mode)
2423                 hdsp->control_register |= HDSP_XLRBreakoutCable;
2424         else
2425                 hdsp->control_register &= ~HDSP_XLRBreakoutCable;
2426         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2427         return 0;
2428 }
2429
2430 #define snd_hdsp_info_xlr_breakout_cable        snd_ctl_boolean_mono_info
2431
2432 static int snd_hdsp_get_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2433 {
2434         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2435         
2436         ucontrol->value.enumerated.item[0] = hdsp_xlr_breakout_cable(hdsp);
2437         return 0;
2438 }
2439
2440 static int snd_hdsp_put_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2441 {
2442         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2443         int change;
2444         int val;
2445         
2446         if (!snd_hdsp_use_is_exclusive(hdsp))
2447                 return -EBUSY;
2448         val = ucontrol->value.integer.value[0] & 1;
2449         spin_lock_irq(&hdsp->lock);
2450         change = (int)val != hdsp_xlr_breakout_cable(hdsp);
2451         hdsp_set_xlr_breakout_cable(hdsp, val);
2452         spin_unlock_irq(&hdsp->lock);
2453         return change;
2454 }
2455
2456 /* (De)activates old RME Analog Extension Board
2457    These are connected to the internal ADAT connector
2458    Switching this on desactivates external ADAT
2459 */
2460 #define HDSP_AEB(xname, xindex) \
2461 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2462   .name = xname, \
2463   .index = xindex, \
2464   .info = snd_hdsp_info_aeb, \
2465   .get = snd_hdsp_get_aeb, \
2466   .put = snd_hdsp_put_aeb \
2467 }
2468
2469 static int hdsp_aeb(struct hdsp *hdsp)
2470 {
2471         if (hdsp->control_register & HDSP_AnalogExtensionBoard)
2472                 return 1;
2473         return 0;
2474 }
2475
2476 static int hdsp_set_aeb(struct hdsp *hdsp, int mode)
2477 {
2478         if (mode)
2479                 hdsp->control_register |= HDSP_AnalogExtensionBoard;
2480         else
2481                 hdsp->control_register &= ~HDSP_AnalogExtensionBoard;
2482         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2483         return 0;
2484 }
2485
2486 #define snd_hdsp_info_aeb               snd_ctl_boolean_mono_info
2487
2488 static int snd_hdsp_get_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2489 {
2490         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2491         
2492         ucontrol->value.enumerated.item[0] = hdsp_aeb(hdsp);
2493         return 0;
2494 }
2495
2496 static int snd_hdsp_put_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2497 {
2498         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2499         int change;
2500         int val;
2501         
2502         if (!snd_hdsp_use_is_exclusive(hdsp))
2503                 return -EBUSY;
2504         val = ucontrol->value.integer.value[0] & 1;
2505         spin_lock_irq(&hdsp->lock);
2506         change = (int)val != hdsp_aeb(hdsp);
2507         hdsp_set_aeb(hdsp, val);
2508         spin_unlock_irq(&hdsp->lock);
2509         return change;
2510 }
2511
2512 #define HDSP_PREF_SYNC_REF(xname, xindex) \
2513 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2514   .name = xname, \
2515   .index = xindex, \
2516   .info = snd_hdsp_info_pref_sync_ref, \
2517   .get = snd_hdsp_get_pref_sync_ref, \
2518   .put = snd_hdsp_put_pref_sync_ref \
2519 }
2520
2521 static int hdsp_pref_sync_ref(struct hdsp *hdsp)
2522 {
2523         /* Notice that this looks at the requested sync source,
2524            not the one actually in use.
2525         */
2526
2527         switch (hdsp->control_register & HDSP_SyncRefMask) {
2528         case HDSP_SyncRef_ADAT1:
2529                 return HDSP_SYNC_FROM_ADAT1;
2530         case HDSP_SyncRef_ADAT2:
2531                 return HDSP_SYNC_FROM_ADAT2;
2532         case HDSP_SyncRef_ADAT3:
2533                 return HDSP_SYNC_FROM_ADAT3;
2534         case HDSP_SyncRef_SPDIF:
2535                 return HDSP_SYNC_FROM_SPDIF;
2536         case HDSP_SyncRef_WORD:
2537                 return HDSP_SYNC_FROM_WORD;
2538         case HDSP_SyncRef_ADAT_SYNC:
2539                 return HDSP_SYNC_FROM_ADAT_SYNC;
2540         default:
2541                 return HDSP_SYNC_FROM_WORD;
2542         }
2543         return 0;
2544 }
2545
2546 static int hdsp_set_pref_sync_ref(struct hdsp *hdsp, int pref)
2547 {
2548         hdsp->control_register &= ~HDSP_SyncRefMask;
2549         switch (pref) {
2550         case HDSP_SYNC_FROM_ADAT1:
2551                 hdsp->control_register &= ~HDSP_SyncRefMask; /* clear SyncRef bits */
2552                 break;
2553         case HDSP_SYNC_FROM_ADAT2:
2554                 hdsp->control_register |= HDSP_SyncRef_ADAT2;
2555                 break;
2556         case HDSP_SYNC_FROM_ADAT3:
2557                 hdsp->control_register |= HDSP_SyncRef_ADAT3;
2558                 break;
2559         case HDSP_SYNC_FROM_SPDIF:
2560                 hdsp->control_register |= HDSP_SyncRef_SPDIF;
2561                 break;
2562         case HDSP_SYNC_FROM_WORD:
2563                 hdsp->control_register |= HDSP_SyncRef_WORD;
2564                 break;
2565         case HDSP_SYNC_FROM_ADAT_SYNC:
2566                 hdsp->control_register |= HDSP_SyncRef_ADAT_SYNC;
2567                 break;
2568         default:
2569                 return -1;
2570         }
2571         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2572         return 0;
2573 }
2574
2575 static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2576 {
2577         static char *texts[] = {"Word", "IEC958", "ADAT1", "ADAT Sync", "ADAT2", "ADAT3" };
2578         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2579         
2580         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2581         uinfo->count = 1;
2582
2583         switch (hdsp->io_type) {
2584         case Digiface:
2585         case H9652:
2586                 uinfo->value.enumerated.items = 6;
2587                 break;
2588         case Multiface:
2589                 uinfo->value.enumerated.items = 4;
2590                 break;
2591         case H9632:
2592                 uinfo->value.enumerated.items = 3;
2593                 break;
2594         default:
2595                 uinfo->value.enumerated.items = 0;
2596                 break;
2597         }
2598                 
2599         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2600                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2601         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2602         return 0;
2603 }
2604
2605 static int snd_hdsp_get_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2606 {
2607         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2608         
2609         ucontrol->value.enumerated.item[0] = hdsp_pref_sync_ref(hdsp);
2610         return 0;
2611 }
2612
2613 static int snd_hdsp_put_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2614 {
2615         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2616         int change, max;
2617         unsigned int val;
2618         
2619         if (!snd_hdsp_use_is_exclusive(hdsp))
2620                 return -EBUSY;
2621
2622         switch (hdsp->io_type) {
2623         case Digiface:
2624         case H9652:
2625                 max = 6;
2626                 break;
2627         case Multiface:
2628                 max = 4;
2629                 break;
2630         case H9632:
2631                 max = 3;
2632                 break;
2633         default:
2634                 return -EIO;
2635         }
2636
2637         val = ucontrol->value.enumerated.item[0] % max;
2638         spin_lock_irq(&hdsp->lock);
2639         change = (int)val != hdsp_pref_sync_ref(hdsp);
2640         hdsp_set_pref_sync_ref(hdsp, val);
2641         spin_unlock_irq(&hdsp->lock);
2642         return change;
2643 }
2644
2645 #define HDSP_AUTOSYNC_REF(xname, xindex) \
2646 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2647   .name = xname, \
2648   .index = xindex, \
2649   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
2650   .info = snd_hdsp_info_autosync_ref, \
2651   .get = snd_hdsp_get_autosync_ref, \
2652 }
2653
2654 static int hdsp_autosync_ref(struct hdsp *hdsp)
2655 {
2656         /* This looks at the autosync selected sync reference */
2657         unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
2658
2659         switch (status2 & HDSP_SelSyncRefMask) {
2660         case HDSP_SelSyncRef_WORD:
2661                 return HDSP_AUTOSYNC_FROM_WORD;
2662         case HDSP_SelSyncRef_ADAT_SYNC:
2663                 return HDSP_AUTOSYNC_FROM_ADAT_SYNC;
2664         case HDSP_SelSyncRef_SPDIF:
2665                 return HDSP_AUTOSYNC_FROM_SPDIF;
2666         case HDSP_SelSyncRefMask:
2667                 return HDSP_AUTOSYNC_FROM_NONE; 
2668         case HDSP_SelSyncRef_ADAT1:
2669                 return HDSP_AUTOSYNC_FROM_ADAT1;
2670         case HDSP_SelSyncRef_ADAT2:
2671                 return HDSP_AUTOSYNC_FROM_ADAT2;
2672         case HDSP_SelSyncRef_ADAT3:
2673                 return HDSP_AUTOSYNC_FROM_ADAT3;
2674         default:
2675                 return HDSP_AUTOSYNC_FROM_WORD;
2676         }
2677         return 0;
2678 }
2679
2680 static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2681 {
2682         static char *texts[] = {"Word", "ADAT Sync", "IEC958", "None", "ADAT1", "ADAT2", "ADAT3" };
2683         
2684         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2685         uinfo->count = 1;
2686         uinfo->value.enumerated.items = 7;
2687         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2688                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2689         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2690         return 0;
2691 }
2692
2693 static int snd_hdsp_get_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2694 {
2695         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2696         
2697         ucontrol->value.enumerated.item[0] = hdsp_autosync_ref(hdsp);
2698         return 0;
2699 }
2700
2701 #define HDSP_LINE_OUT(xname, xindex) \
2702 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2703   .name = xname, \
2704   .index = xindex, \
2705   .info = snd_hdsp_info_line_out, \
2706   .get = snd_hdsp_get_line_out, \
2707   .put = snd_hdsp_put_line_out \
2708 }
2709
2710 static int hdsp_line_out(struct hdsp *hdsp)
2711 {
2712         return (hdsp->control_register & HDSP_LineOut) ? 1 : 0;
2713 }
2714
2715 static int hdsp_set_line_output(struct hdsp *hdsp, int out)
2716 {
2717         if (out)
2718                 hdsp->control_register |= HDSP_LineOut;
2719         else
2720                 hdsp->control_register &= ~HDSP_LineOut;
2721         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2722         return 0;
2723 }
2724
2725 #define snd_hdsp_info_line_out          snd_ctl_boolean_mono_info
2726
2727 static int snd_hdsp_get_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2728 {
2729         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2730         
2731         spin_lock_irq(&hdsp->lock);
2732         ucontrol->value.integer.value[0] = hdsp_line_out(hdsp);
2733         spin_unlock_irq(&hdsp->lock);
2734         return 0;
2735 }
2736
2737 static int snd_hdsp_put_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2738 {
2739         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2740         int change;
2741         unsigned int val;
2742         
2743         if (!snd_hdsp_use_is_exclusive(hdsp))
2744                 return -EBUSY;
2745         val = ucontrol->value.integer.value[0] & 1;
2746         spin_lock_irq(&hdsp->lock);
2747         change = (int)val != hdsp_line_out(hdsp);
2748         hdsp_set_line_output(hdsp, val);
2749         spin_unlock_irq(&hdsp->lock);
2750         return change;
2751 }
2752
2753 #define HDSP_PRECISE_POINTER(xname, xindex) \
2754 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2755   .name = xname, \
2756   .index = xindex, \
2757   .info = snd_hdsp_info_precise_pointer, \
2758   .get = snd_hdsp_get_precise_pointer, \
2759   .put = snd_hdsp_put_precise_pointer \
2760 }
2761
2762 static int hdsp_set_precise_pointer(struct hdsp *hdsp, int precise)
2763 {
2764         if (precise)
2765                 hdsp->precise_ptr = 1;
2766         else
2767                 hdsp->precise_ptr = 0;
2768         return 0;
2769 }
2770
2771 #define snd_hdsp_info_precise_pointer           snd_ctl_boolean_mono_info
2772
2773 static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2774 {
2775         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2776         
2777         spin_lock_irq(&hdsp->lock);
2778         ucontrol->value.integer.value[0] = hdsp->precise_ptr;
2779         spin_unlock_irq(&hdsp->lock);
2780         return 0;
2781 }
2782
2783 static int snd_hdsp_put_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2784 {
2785         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2786         int change;
2787         unsigned int val;
2788         
2789         if (!snd_hdsp_use_is_exclusive(hdsp))
2790                 return -EBUSY;
2791         val = ucontrol->value.integer.value[0] & 1;
2792         spin_lock_irq(&hdsp->lock);
2793         change = (int)val != hdsp->precise_ptr;
2794         hdsp_set_precise_pointer(hdsp, val);
2795         spin_unlock_irq(&hdsp->lock);
2796         return change;
2797 }
2798
2799 #define HDSP_USE_MIDI_TASKLET(xname, xindex) \
2800 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2801   .name = xname, \
2802   .index = xindex, \
2803   .info = snd_hdsp_info_use_midi_tasklet, \
2804   .get = snd_hdsp_get_use_midi_tasklet, \
2805   .put = snd_hdsp_put_use_midi_tasklet \
2806 }
2807
2808 static int hdsp_set_use_midi_tasklet(struct hdsp *hdsp, int use_tasklet)
2809 {
2810         if (use_tasklet)
2811                 hdsp->use_midi_tasklet = 1;
2812         else
2813                 hdsp->use_midi_tasklet = 0;
2814         return 0;
2815 }
2816
2817 #define snd_hdsp_info_use_midi_tasklet          snd_ctl_boolean_mono_info
2818
2819 static int snd_hdsp_get_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2820 {
2821         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2822         
2823         spin_lock_irq(&hdsp->lock);
2824         ucontrol->value.integer.value[0] = hdsp->use_midi_tasklet;
2825         spin_unlock_irq(&hdsp->lock);
2826         return 0;
2827 }
2828
2829 static int snd_hdsp_put_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2830 {
2831         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2832         int change;
2833         unsigned int val;
2834         
2835         if (!snd_hdsp_use_is_exclusive(hdsp))
2836                 return -EBUSY;
2837         val = ucontrol->value.integer.value[0] & 1;
2838         spin_lock_irq(&hdsp->lock);
2839         change = (int)val != hdsp->use_midi_tasklet;
2840         hdsp_set_use_midi_tasklet(hdsp, val);
2841         spin_unlock_irq(&hdsp->lock);
2842         return change;
2843 }
2844
2845 #define HDSP_MIXER(xname, xindex) \
2846 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2847   .name = xname, \
2848   .index = xindex, \
2849   .device = 0, \
2850   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
2851                  SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2852   .info = snd_hdsp_info_mixer, \
2853   .get = snd_hdsp_get_mixer, \
2854   .put = snd_hdsp_put_mixer \
2855 }
2856
2857 static int snd_hdsp_info_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2858 {
2859         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2860         uinfo->count = 3;
2861         uinfo->value.integer.min = 0;
2862         uinfo->value.integer.max = 65536;
2863         uinfo->value.integer.step = 1;
2864         return 0;
2865 }
2866
2867 static int snd_hdsp_get_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2868 {
2869         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2870         int source;
2871         int destination;
2872         int addr;
2873
2874         source = ucontrol->value.integer.value[0];
2875         destination = ucontrol->value.integer.value[1];
2876         
2877         if (source >= hdsp->max_channels)
2878                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels,destination);
2879         else
2880                 addr = hdsp_input_to_output_key(hdsp,source, destination);
2881         
2882         spin_lock_irq(&hdsp->lock);
2883         ucontrol->value.integer.value[2] = hdsp_read_gain (hdsp, addr);
2884         spin_unlock_irq(&hdsp->lock);
2885         return 0;
2886 }
2887
2888 static int snd_hdsp_put_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2889 {
2890         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2891         int change;
2892         int source;
2893         int destination;
2894         int gain;
2895         int addr;
2896
2897         if (!snd_hdsp_use_is_exclusive(hdsp))
2898                 return -EBUSY;
2899
2900         source = ucontrol->value.integer.value[0];
2901         destination = ucontrol->value.integer.value[1];
2902
2903         if (source >= hdsp->max_channels)
2904                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels, destination);
2905         else
2906                 addr = hdsp_input_to_output_key(hdsp,source, destination);
2907
2908         gain = ucontrol->value.integer.value[2];
2909
2910         spin_lock_irq(&hdsp->lock);
2911         change = gain != hdsp_read_gain(hdsp, addr);
2912         if (change)
2913                 hdsp_write_gain(hdsp, addr, gain);
2914         spin_unlock_irq(&hdsp->lock);
2915         return change;
2916 }
2917
2918 #define HDSP_WC_SYNC_CHECK(xname, xindex) \
2919 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2920   .name = xname, \
2921   .index = xindex, \
2922   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2923   .info = snd_hdsp_info_sync_check, \
2924   .get = snd_hdsp_get_wc_sync_check \
2925 }
2926
2927 static int snd_hdsp_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2928 {
2929         static char *texts[] = {"No Lock", "Lock", "Sync" };    
2930         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2931         uinfo->count = 1;
2932         uinfo->value.enumerated.items = 3;
2933         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2934                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2935         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2936         return 0;
2937 }
2938
2939 static int hdsp_wc_sync_check(struct hdsp *hdsp)
2940 {
2941         int status2 = hdsp_read(hdsp, HDSP_status2Register);
2942         if (status2 & HDSP_wc_lock) {
2943                 if (status2 & HDSP_wc_sync)
2944                         return 2;
2945                 else
2946                          return 1;
2947         } else
2948                 return 0;
2949         return 0;
2950 }
2951
2952 static int snd_hdsp_get_wc_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2953 {
2954         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2955
2956         ucontrol->value.enumerated.item[0] = hdsp_wc_sync_check(hdsp);
2957         return 0;
2958 }
2959
2960 #define HDSP_SPDIF_SYNC_CHECK(xname, xindex) \
2961 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2962   .name = xname, \
2963   .index = xindex, \
2964   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2965   .info = snd_hdsp_info_sync_check, \
2966   .get = snd_hdsp_get_spdif_sync_check \
2967 }
2968
2969 static int hdsp_spdif_sync_check(struct hdsp *hdsp)
2970 {
2971         int status = hdsp_read(hdsp, HDSP_statusRegister);
2972         if (status & HDSP_SPDIFErrorFlag)
2973                 return 0;
2974         else {  
2975                 if (status & HDSP_SPDIFSync)
2976                         return 2;
2977                 else
2978                         return 1;
2979         }
2980         return 0;
2981 }
2982
2983 static int snd_hdsp_get_spdif_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2984 {
2985         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2986
2987         ucontrol->value.enumerated.item[0] = hdsp_spdif_sync_check(hdsp);
2988         return 0;
2989 }
2990
2991 #define HDSP_ADATSYNC_SYNC_CHECK(xname, xindex) \
2992 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2993   .name = xname, \
2994   .index = xindex, \
2995   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2996   .info = snd_hdsp_info_sync_check, \
2997   .get = snd_hdsp_get_adatsync_sync_check \
2998 }
2999
3000 static int hdsp_adatsync_sync_check(struct hdsp *hdsp)
3001 {
3002         int status = hdsp_read(hdsp, HDSP_statusRegister);
3003         if (status & HDSP_TimecodeLock) {
3004                 if (status & HDSP_TimecodeSync)
3005                         return 2;
3006                 else
3007                         return 1;
3008         } else
3009                 return 0;
3010 }       
3011
3012 static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3013 {
3014         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3015
3016         ucontrol->value.enumerated.item[0] = hdsp_adatsync_sync_check(hdsp);
3017         return 0;
3018 }
3019
3020 #define HDSP_ADAT_SYNC_CHECK \
3021 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3022   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3023   .info = snd_hdsp_info_sync_check, \
3024   .get = snd_hdsp_get_adat_sync_check \
3025 }
3026
3027 static int hdsp_adat_sync_check(struct hdsp *hdsp, int idx)
3028 {       
3029         int status = hdsp_read(hdsp, HDSP_statusRegister);
3030         
3031         if (status & (HDSP_Lock0>>idx)) {
3032                 if (status & (HDSP_Sync0>>idx))
3033                         return 2;
3034                 else
3035                         return 1;               
3036         } else
3037                 return 0;
3038
3039
3040 static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3041 {
3042         int offset;
3043         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3044
3045         offset = ucontrol->id.index - 1;
3046         snd_BUG_ON(offset < 0);
3047
3048         switch (hdsp->io_type) {
3049         case Digiface:
3050         case H9652:
3051                 if (offset >= 3)
3052                         return -EINVAL;
3053                 break;
3054         case Multiface:
3055         case H9632:
3056                 if (offset >= 1) 
3057                         return -EINVAL;
3058                 break;
3059         default:
3060                 return -EIO;
3061         }
3062
3063         ucontrol->value.enumerated.item[0] = hdsp_adat_sync_check(hdsp, offset);
3064         return 0;
3065 }
3066
3067 #define HDSP_DDS_OFFSET(xname, xindex) \
3068 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3069   .name = xname, \
3070   .index = xindex, \
3071   .info = snd_hdsp_info_dds_offset, \
3072   .get = snd_hdsp_get_dds_offset, \
3073   .put = snd_hdsp_put_dds_offset \
3074 }
3075
3076 static int hdsp_dds_offset(struct hdsp *hdsp)
3077 {
3078         u64 n;
3079         u32 r;
3080         unsigned int dds_value = hdsp->dds_value;
3081         int system_sample_rate = hdsp->system_sample_rate;
3082
3083         if (!dds_value)
3084                 return 0;
3085
3086         n = DDS_NUMERATOR;
3087         /*
3088          * dds_value = n / rate
3089          * rate = n / dds_value
3090          */
3091         div64_32(&n, dds_value, &r);
3092         if (system_sample_rate >= 112000)
3093                 n *= 4;
3094         else if (system_sample_rate >= 56000)
3095                 n *= 2;
3096         return ((int)n) - system_sample_rate;
3097 }
3098
3099 static int hdsp_set_dds_offset(struct hdsp *hdsp, int offset_hz)
3100 {
3101         int rate = hdsp->system_sample_rate + offset_hz;
3102         hdsp_set_dds_value(hdsp, rate);
3103         return 0;
3104 }
3105
3106 static int snd_hdsp_info_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3107 {
3108         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3109         uinfo->count = 1;
3110         uinfo->value.integer.min = -5000;
3111         uinfo->value.integer.max = 5000;
3112         return 0;
3113 }
3114
3115 static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3116 {
3117         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3118         
3119         ucontrol->value.enumerated.item[0] = hdsp_dds_offset(hdsp);
3120         return 0;
3121 }
3122
3123 static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3124 {
3125         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3126         int change;
3127         int val;
3128         
3129         if (!snd_hdsp_use_is_exclusive(hdsp))
3130                 return -EBUSY;
3131         val = ucontrol->value.enumerated.item[0];
3132         spin_lock_irq(&hdsp->lock);
3133         if (val != hdsp_dds_offset(hdsp))
3134                 change = (hdsp_set_dds_offset(hdsp, val) == 0) ? 1 : 0;
3135         else
3136                 change = 0;
3137         spin_unlock_irq(&hdsp->lock);
3138         return change;
3139 }
3140
3141 static struct snd_kcontrol_new snd_hdsp_9632_controls[] = {
3142 HDSP_DA_GAIN("DA Gain", 0),
3143 HDSP_AD_GAIN("AD Gain", 0),
3144 HDSP_PHONE_GAIN("Phones Gain", 0),
3145 HDSP_XLR_BREAKOUT_CABLE("XLR Breakout Cable", 0),
3146 HDSP_DDS_OFFSET("DDS Sample Rate Offset", 0)
3147 };
3148
3149 static struct snd_kcontrol_new snd_hdsp_controls[] = {
3150 {
3151         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3152         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
3153         .info =         snd_hdsp_control_spdif_info,
3154         .get =          snd_hdsp_control_spdif_get,
3155         .put =          snd_hdsp_control_spdif_put,
3156 },
3157 {
3158         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
3159         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3160         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
3161         .info =         snd_hdsp_control_spdif_stream_info,
3162         .get =          snd_hdsp_control_spdif_stream_get,
3163         .put =          snd_hdsp_control_spdif_stream_put,
3164 },
3165 {
3166         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
3167         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3168         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
3169         .info =         snd_hdsp_control_spdif_mask_info,
3170         .get =          snd_hdsp_control_spdif_mask_get,
3171         .private_value = IEC958_AES0_NONAUDIO |
3172                          IEC958_AES0_PROFESSIONAL |
3173                          IEC958_AES0_CON_EMPHASIS,                                                                                            
3174 },
3175 {
3176         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
3177         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3178         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
3179         .info =         snd_hdsp_control_spdif_mask_info,
3180         .get =          snd_hdsp_control_spdif_mask_get,
3181         .private_value = IEC958_AES0_NONAUDIO |
3182                          IEC958_AES0_PROFESSIONAL |
3183                          IEC958_AES0_PRO_EMPHASIS,
3184 },
3185 HDSP_MIXER("Mixer", 0),
3186 HDSP_SPDIF_IN("IEC958 Input Connector", 0),
3187 HDSP_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
3188 HDSP_SPDIF_PROFESSIONAL("IEC958 Professional Bit", 0),
3189 HDSP_SPDIF_EMPHASIS("IEC958 Emphasis Bit", 0),
3190 HDSP_SPDIF_NON_AUDIO("IEC958 Non-audio Bit", 0),
3191 /* 'Sample Clock Source' complies with the alsa control naming scheme */ 
3192 HDSP_CLOCK_SOURCE("Sample Clock Source", 0),
3193 {
3194         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3195         .name = "Sample Clock Source Locking",
3196         .info = snd_hdsp_info_clock_source_lock,
3197         .get = snd_hdsp_get_clock_source_lock,
3198         .put = snd_hdsp_put_clock_source_lock,
3199 },
3200 HDSP_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
3201 HDSP_PREF_SYNC_REF("Preferred Sync Reference", 0),
3202 HDSP_AUTOSYNC_REF("AutoSync Reference", 0),
3203 HDSP_SPDIF_SAMPLE_RATE("SPDIF Sample Rate", 0),
3204 HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
3205 /* 'External Rate' complies with the alsa control naming scheme */
3206 HDSP_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
3207 HDSP_WC_SYNC_CHECK("Word Clock Lock Status", 0),
3208 HDSP_SPDIF_SYNC_CHECK("SPDIF Lock Status", 0),
3209 HDSP_ADATSYNC_SYNC_CHECK("ADAT Sync Lock Status", 0),
3210 HDSP_LINE_OUT("Line Out", 0),
3211 HDSP_PRECISE_POINTER("Precise Pointer", 0),
3212 HDSP_USE_MIDI_TASKLET("Use Midi Tasklet", 0),
3213 };
3214
3215 static struct snd_kcontrol_new snd_hdsp_96xx_aeb = HDSP_AEB("Analog Extension Board", 0);
3216 static struct snd_kcontrol_new snd_hdsp_adat_sync_check = HDSP_ADAT_SYNC_CHECK;
3217
3218 static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
3219 {
3220         unsigned int idx;
3221         int err;
3222         struct snd_kcontrol *kctl;
3223
3224         for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_controls); idx++) {
3225                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_controls[idx], hdsp))) < 0)
3226                         return err;
3227                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
3228                         hdsp->spdif_ctl = kctl;
3229         }
3230
3231         /* ADAT SyncCheck status */
3232         snd_hdsp_adat_sync_check.name = "ADAT Lock Status";
3233         snd_hdsp_adat_sync_check.index = 1;
3234         if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3235                 return err;
3236         if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
3237                 for (idx = 1; idx < 3; ++idx) {
3238                         snd_hdsp_adat_sync_check.index = idx+1;
3239                         if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3240                                 return err;
3241                 }
3242         }
3243         
3244         /* DA, AD and Phone gain and XLR breakout cable controls for H9632 cards */
3245         if (hdsp->io_type == H9632) {
3246                 for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_9632_controls); idx++) {
3247                         if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_9632_controls[idx], hdsp))) < 0)
3248                                 return err;
3249                 }
3250         }
3251
3252         /* AEB control for H96xx card */
3253         if (hdsp->io_type == H9632 || hdsp->io_type == H9652) {
3254                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_96xx_aeb, hdsp))) < 0)
3255                                 return err;
3256         }
3257
3258         return 0;
3259 }
3260
3261 /*------------------------------------------------------------
3262    /proc interface 
3263  ------------------------------------------------------------*/
3264
3265 static void
3266 snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
3267 {
3268         struct hdsp *hdsp = (struct hdsp *) entry->private_data;
3269         unsigned int status;
3270         unsigned int status2;
3271         char *pref_sync_ref;
3272         char *autosync_ref;
3273         char *system_clock_mode;
3274         char *clock_source;
3275         int x;
3276
3277         if (hdsp_check_for_iobox (hdsp)) {
3278                 snd_iprintf(buffer, "No I/O box connected.\nPlease connect one and upload firmware.\n");
3279                 return;
3280         }
3281
3282         if (hdsp_check_for_firmware(hdsp, 0)) {
3283                 if (hdsp->state & HDSP_FirmwareCached) {
3284                         if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
3285                                 snd_iprintf(buffer, "Firmware loading from cache failed, please upload manually.\n");
3286                                 return;
3287                         }
3288                 } else {
3289                         int err = -EINVAL;
3290 #ifdef HDSP_FW_LOADER
3291                         err = hdsp_request_fw_loader(hdsp);
3292 #endif
3293                         if (err < 0) {
3294                                 snd_iprintf(buffer,
3295                                             "No firmware loaded nor cached, "
3296                                             "please upload firmware.\n");
3297                                 return;
3298                         }
3299                 }
3300         }
3301         
3302         status = hdsp_read(hdsp, HDSP_statusRegister);
3303         status2 = hdsp_read(hdsp, HDSP_status2Register);
3304
3305         snd_iprintf(buffer, "%s (Card #%d)\n", hdsp->card_name, hdsp->card->number + 1);
3306         snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
3307                     hdsp->capture_buffer, hdsp->playback_buffer);
3308         snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
3309                     hdsp->irq, hdsp->port, (unsigned long)hdsp->iobase);
3310         snd_iprintf(buffer, "Control register: 0x%x\n", hdsp->control_register);
3311         snd_iprintf(buffer, "Control2 register: 0x%x\n", hdsp->control2_register);
3312         snd_iprintf(buffer, "Status register: 0x%x\n", status);
3313         snd_iprintf(buffer, "Status2 register: 0x%x\n", status2);
3314         snd_iprintf(buffer, "FIFO status: %d\n", hdsp_read(hdsp, HDSP_fifoStatus) & 0xff);
3315         snd_iprintf(buffer, "MIDI1 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut0));
3316         snd_iprintf(buffer, "MIDI1 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn0));
3317         snd_iprintf(buffer, "MIDI2 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut1));
3318         snd_iprintf(buffer, "MIDI2 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn1));
3319         snd_iprintf(buffer, "Use Midi Tasklet: %s\n", hdsp->use_midi_tasklet ? "on" : "off");
3320
3321         snd_iprintf(buffer, "\n");
3322
3323         x = 1 << (6 + hdsp_decode_latency(hdsp->control_register & HDSP_LatencyMask));
3324
3325         snd_iprintf(buffer, "Buffer Size (Latency): %d samples (2 periods of %lu bytes)\n", x, (unsigned long) hdsp->period_bytes);
3326         snd_iprintf(buffer, "Hardware pointer (frames): %ld\n", hdsp_hw_pointer(hdsp));
3327         snd_iprintf(buffer, "Precise pointer: %s\n", hdsp->precise_ptr ? "on" : "off");
3328         snd_iprintf(buffer, "Line out: %s\n", (hdsp->control_register & HDSP_LineOut) ? "on" : "off");
3329
3330         snd_iprintf(buffer, "Firmware version: %d\n", (status2&HDSP_version0)|(status2&HDSP_version1)<<1|(status2&HDSP_version2)<<2);
3331
3332         snd_iprintf(buffer, "\n");
3333
3334
3335         switch (hdsp_clock_source(hdsp)) {
3336         case HDSP_CLOCK_SOURCE_AUTOSYNC:
3337                 clock_source = "AutoSync";
3338                 break;
3339         case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
3340                 clock_source = "Internal 32 kHz";
3341                 break;
3342         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
3343                 clock_source = "Internal 44.1 kHz";
3344                 break;
3345         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
3346                 clock_source = "Internal 48 kHz";
3347                 break;
3348         case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
3349                 clock_source = "Internal 64 kHz";
3350                 break;
3351         case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
3352                 clock_source = "Internal 88.2 kHz";
3353                 break;
3354         case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
3355                 clock_source = "Internal 96 kHz";
3356                 break;
3357         case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
3358                 clock_source = "Internal 128 kHz";
3359                 break;
3360         case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
3361                 clock_source = "Internal 176.4 kHz";
3362                 break;
3363                 case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
3364                 clock_source = "Internal 192 kHz";
3365                 break;  
3366         default:
3367                 clock_source = "Error";         
3368         }
3369         snd_iprintf (buffer, "Sample Clock Source: %s\n", clock_source);
3370                         
3371         if (hdsp_system_clock_mode(hdsp))
3372                 system_clock_mode = "Slave";
3373         else
3374                 system_clock_mode = "Master";
3375         
3376         switch (hdsp_pref_sync_ref (hdsp)) {
3377         case HDSP_SYNC_FROM_WORD:
3378                 pref_sync_ref = "Word Clock";
3379                 break;
3380         case HDSP_SYNC_FROM_ADAT_SYNC:
3381                 pref_sync_ref = "ADAT Sync";
3382                 break;
3383         case HDSP_SYNC_FROM_SPDIF:
3384                 pref_sync_ref = "SPDIF";
3385                 break;
3386         case HDSP_SYNC_FROM_ADAT1:
3387                 pref_sync_ref = "ADAT1";
3388                 break;
3389         case HDSP_SYNC_FROM_ADAT2:
3390                 pref_sync_ref = "ADAT2";
3391                 break;
3392         case HDSP_SYNC_FROM_ADAT3:
3393                 pref_sync_ref = "ADAT3";
3394                 break;
3395         default:
3396                 pref_sync_ref = "Word Clock";
3397                 break;
3398         }
3399         snd_iprintf (buffer, "Preferred Sync Reference: %s\n", pref_sync_ref);
3400         
3401         switch (hdsp_autosync_ref (hdsp)) {
3402         case HDSP_AUTOSYNC_FROM_WORD:
3403                 autosync_ref = "Word Clock";
3404                 break;
3405         case HDSP_AUTOSYNC_FROM_ADAT_SYNC:
3406                 autosync_ref = "ADAT Sync";
3407                 break;
3408         case HDSP_AUTOSYNC_FROM_SPDIF:
3409                 autosync_ref = "SPDIF";
3410                 break;
3411         case HDSP_AUTOSYNC_FROM_NONE:
3412                 autosync_ref = "None";
3413                 break;  
3414         case HDSP_AUTOSYNC_FROM_ADAT1:
3415                 autosync_ref = "ADAT1";
3416                 break;
3417         case HDSP_AUTOSYNC_FROM_ADAT2:
3418                 autosync_ref = "ADAT2";
3419                 break;
3420         case HDSP_AUTOSYNC_FROM_ADAT3:
3421                 autosync_ref = "ADAT3";
3422                 break;
3423         default:
3424                 autosync_ref = "---";
3425                 break;
3426         }
3427         snd_iprintf (buffer, "AutoSync Reference: %s\n", autosync_ref);
3428         
3429         snd_iprintf (buffer, "AutoSync Frequency: %d\n", hdsp_external_sample_rate(hdsp));
3430         
3431         snd_iprintf (buffer, "System Clock Mode: %s\n", system_clock_mode);
3432
3433         snd_iprintf (buffer, "System Clock Frequency: %d\n", hdsp->system_sample_rate);
3434         snd_iprintf (buffer, "System Clock Locked: %s\n", hdsp->clock_source_locked ? "Yes" : "No");
3435                 
3436         snd_iprintf(buffer, "\n");
3437
3438         switch (hdsp_spdif_in(hdsp)) {
3439         case HDSP_SPDIFIN_OPTICAL:
3440                 snd_iprintf(buffer, "IEC958 input: Optical\n");
3441                 break;
3442         case HDSP_SPDIFIN_COAXIAL:
3443                 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
3444                 break;
3445         case HDSP_SPDIFIN_INTERNAL:
3446                 snd_iprintf(buffer, "IEC958 input: Internal\n");
3447                 break;
3448         case HDSP_SPDIFIN_AES:
3449                 snd_iprintf(buffer, "IEC958 input: AES\n");
3450                 break;
3451         default:
3452                 snd_iprintf(buffer, "IEC958 input: ???\n");
3453                 break;
3454         }
3455         
3456         if (hdsp->control_register & HDSP_SPDIFOpticalOut)
3457                 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
3458         else
3459                 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
3460
3461         if (hdsp->control_register & HDSP_SPDIFProfessional)
3462                 snd_iprintf(buffer, "IEC958 quality: Professional\n");
3463         else
3464                 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
3465
3466         if (hdsp->control_register & HDSP_SPDIFEmphasis)
3467                 snd_iprintf(buffer, "IEC958 emphasis: on\n");
3468         else
3469                 snd_iprintf(buffer, "IEC958 emphasis: off\n");
3470
3471         if (hdsp->control_register & HDSP_SPDIFNonAudio)
3472                 snd_iprintf(buffer, "IEC958 NonAudio: on\n");
3473         else
3474                 snd_iprintf(buffer, "IEC958 NonAudio: off\n");
3475         if ((x = hdsp_spdif_sample_rate (hdsp)) != 0)
3476                 snd_iprintf (buffer, "IEC958 sample rate: %d\n", x);
3477         else
3478                 snd_iprintf (buffer, "IEC958 sample rate: Error flag set\n");
3479
3480         snd_iprintf(buffer, "\n");
3481
3482         /* Sync Check */
3483         x = status & HDSP_Sync0;
3484         if (status & HDSP_Lock0)
3485                 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
3486         else
3487                 snd_iprintf(buffer, "ADAT1: No Lock\n");
3488
3489         switch (hdsp->io_type) {
3490         case Digiface:
3491         case H9652:
3492                 x = status & HDSP_Sync1;
3493                 if (status & HDSP_Lock1)
3494                         snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
3495                 else
3496                         snd_iprintf(buffer, "ADAT2: No Lock\n");
3497                 x = status & HDSP_Sync2;
3498                 if (status & HDSP_Lock2)
3499                         snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
3500                 else
3501                         snd_iprintf(buffer, "ADAT3: No Lock\n");
3502                 break;
3503         default:
3504                 /* relax */
3505                 break;
3506         }
3507
3508         x = status & HDSP_SPDIFSync;
3509         if (status & HDSP_SPDIFErrorFlag)
3510                 snd_iprintf (buffer, "SPDIF: No Lock\n");
3511         else
3512                 snd_iprintf (buffer, "SPDIF: %s\n", x ? "Sync" : "Lock");
3513         
3514         x = status2 & HDSP_wc_sync;
3515         if (status2 & HDSP_wc_lock)
3516                 snd_iprintf (buffer, "Word Clock: %s\n", x ? "Sync" : "Lock");
3517         else
3518                 snd_iprintf (buffer, "Word Clock: No Lock\n");
3519         
3520         x = status & HDSP_TimecodeSync;
3521         if (status & HDSP_TimecodeLock)
3522                 snd_iprintf(buffer, "ADAT Sync: %s\n", x ? "Sync" : "Lock");
3523         else
3524                 snd_iprintf(buffer, "ADAT Sync: No Lock\n");
3525
3526         snd_iprintf(buffer, "\n");
3527         
3528         /* Informations about H9632 specific controls */
3529         if (hdsp->io_type == H9632) {
3530                 char *tmp;
3531         
3532                 switch (hdsp_ad_gain(hdsp)) {
3533                 case 0:
3534                         tmp = "-10 dBV";
3535                         break;
3536                 case 1:
3537                         tmp = "+4 dBu";
3538                         break;
3539                 default:
3540                         tmp = "Lo Gain";
3541                         break;
3542                 }
3543                 snd_iprintf(buffer, "AD Gain : %s\n", tmp);
3544
3545                 switch (hdsp_da_gain(hdsp)) {
3546                 case 0:
3547                         tmp = "Hi Gain";
3548                         break;
3549                 case 1:
3550                         tmp = "+4 dBu";
3551                         break;
3552                 default:
3553                         tmp = "-10 dBV";
3554                         break;
3555                 }
3556                 snd_iprintf(buffer, "DA Gain : %s\n", tmp);
3557                 
3558                 switch (hdsp_phone_gain(hdsp)) {
3559                 case 0:
3560                         tmp = "0 dB";
3561                         break;
3562                 case 1:
3563                         tmp = "-6 dB";
3564                         break;
3565                 default:
3566                         tmp = "-12 dB";
3567                         break;
3568                 }
3569                 snd_iprintf(buffer, "Phones Gain : %s\n", tmp);
3570
3571                 snd_iprintf(buffer, "XLR Breakout Cable : %s\n", hdsp_xlr_breakout_cable(hdsp) ? "yes" : "no"); 
3572                 
3573                 if (hdsp->control_register & HDSP_AnalogExtensionBoard)
3574                         snd_iprintf(buffer, "AEB : on (ADAT1 internal)\n");
3575                 else
3576                         snd_iprintf(buffer, "AEB : off (ADAT1 external)\n");
3577                 snd_iprintf(buffer, "\n");
3578         }
3579
3580 }
3581
3582 static void snd_hdsp_proc_init(struct hdsp *hdsp)
3583 {
3584         struct snd_info_entry *entry;
3585
3586         if (! snd_card_proc_new(hdsp->card, "hdsp", &entry))
3587                 snd_info_set_text_ops(entry, hdsp, snd_hdsp_proc_read);
3588 }
3589
3590 static void snd_hdsp_free_buffers(struct hdsp *hdsp)
3591 {
3592         snd_hammerfall_free_buffer(&hdsp->capture_dma_buf, hdsp->pci);
3593         snd_hammerfall_free_buffer(&hdsp->playback_dma_buf, hdsp->pci);
3594 }
3595
3596 static int __devinit snd_hdsp_initialize_memory(struct hdsp *hdsp)
3597 {
3598         unsigned long pb_bus, cb_bus;
3599
3600         if (snd_hammerfall_get_buffer(hdsp->pci, &hdsp->capture_dma_buf, HDSP_DMA_AREA_BYTES) < 0 ||
3601             snd_hammerfall_get_buffer(hdsp->pci, &hdsp->playback_dma_buf, HDSP_DMA_AREA_BYTES) < 0) {
3602                 if (hdsp->capture_dma_buf.area)
3603                         snd_dma_free_pages(&hdsp->capture_dma_buf);
3604                 printk(KERN_ERR "%s: no buffers available\n", hdsp->card_name);
3605                 return -ENOMEM;
3606         }
3607
3608         /* Align to bus-space 64K boundary */
3609
3610         cb_bus = ALIGN(hdsp->capture_dma_buf.addr, 0x10000ul);
3611         pb_bus = ALIGN(hdsp->playback_dma_buf.addr, 0x10000ul);
3612
3613         /* Tell the card where it is */
3614
3615         hdsp_write(hdsp, HDSP_inputBufferAddress, cb_bus);
3616         hdsp_write(hdsp, HDSP_outputBufferAddress, pb_bus);
3617
3618         hdsp->capture_buffer = hdsp->capture_dma_buf.area + (cb_bus - hdsp->capture_dma_buf.addr);
3619         hdsp->playback_buffer = hdsp->playback_dma_buf.area + (pb_bus - hdsp->playback_dma_buf.addr);
3620
3621         return 0;
3622 }
3623
3624 static int snd_hdsp_set_defaults(struct hdsp *hdsp)
3625 {
3626         unsigned int i;
3627
3628         /* ASSUMPTION: hdsp->lock is either held, or
3629            there is no need to hold it (e.g. during module
3630            initialization).
3631          */
3632
3633         /* set defaults:
3634
3635            SPDIF Input via Coax 
3636            Master clock mode
3637            maximum latency (7 => 2^7 = 8192 samples, 64Kbyte buffer,
3638                             which implies 2 4096 sample, 32Kbyte periods).
3639            Enable line out.                         
3640          */
3641
3642         hdsp->control_register = HDSP_ClockModeMaster | 
3643                                  HDSP_SPDIFInputCoaxial | 
3644                                  hdsp_encode_latency(7) | 
3645                                  HDSP_LineOut;
3646         
3647
3648         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3649
3650 #ifdef SNDRV_BIG_ENDIAN
3651         hdsp->control2_register = HDSP_BIGENDIAN_MODE;
3652 #else
3653         hdsp->control2_register = 0;
3654 #endif
3655         if (hdsp->io_type == H9652)
3656                 snd_hdsp_9652_enable_mixer (hdsp);
3657         else
3658                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
3659
3660         hdsp_reset_hw_pointer(hdsp);
3661         hdsp_compute_period_size(hdsp);
3662
3663         /* silence everything */
3664         
3665         for (i = 0; i < HDSP_MATRIX_MIXER_SIZE; ++i)
3666                 hdsp->mixer_matrix[i] = MINUS_INFINITY_GAIN;
3667
3668         for (i = 0; i < ((hdsp->io_type == H9652 || hdsp->io_type == H9632) ? 1352 : HDSP_MATRIX_MIXER_SIZE); ++i) {
3669                 if (hdsp_write_gain (hdsp, i, MINUS_INFINITY_GAIN))
3670                         return -EIO;
3671         }
3672         
3673         /* H9632 specific defaults */
3674         if (hdsp->io_type == H9632) {
3675                 hdsp->control_register |= (HDSP_DAGainPlus4dBu | HDSP_ADGainPlus4dBu | HDSP_PhoneGain0dB);
3676                 hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3677         }
3678
3679         /* set a default rate so that the channel map is set up.
3680          */
3681
3682         hdsp_set_rate(hdsp, 48000, 1);
3683
3684         return 0;
3685 }
3686
3687 static void hdsp_midi_tasklet(unsigned long arg)
3688 {
3689         struct hdsp *hdsp = (struct hdsp *)arg;
3690         
3691         if (hdsp->midi[0].pending)
3692                 snd_hdsp_midi_input_read (&hdsp->midi[0]);
3693         if (hdsp->midi[1].pending)
3694                 snd_hdsp_midi_input_read (&hdsp->midi[1]);
3695
3696
3697 static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
3698 {
3699         struct hdsp *hdsp = (struct hdsp *) dev_id;
3700         unsigned int status;
3701         int audio;
3702         int midi0;
3703         int midi1;
3704         unsigned int midi0status;
3705         unsigned int midi1status;
3706         int schedule = 0;
3707         
3708         status = hdsp_read(hdsp, HDSP_statusRegister);
3709
3710         audio = status & HDSP_audioIRQPending;
3711         midi0 = status & HDSP_midi0IRQPending;
3712         midi1 = status & HDSP_midi1IRQPending;
3713
3714         if (!audio && !midi0 && !midi1)
3715                 return IRQ_NONE;
3716
3717         hdsp_write(hdsp, HDSP_interruptConfirmation, 0);
3718
3719         midi0status = hdsp_read (hdsp, HDSP_midiStatusIn0) & 0xff;
3720         midi1status = hdsp_read (hdsp, HDSP_midiStatusIn1) & 0xff;
3721         
3722         if (audio) {
3723                 if (hdsp->capture_substream)
3724                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
3725                 
3726                 if (hdsp->playback_substream)
3727                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
3728         }
3729         
3730         if (midi0 && midi0status) {
3731                 if (hdsp->use_midi_tasklet) {
3732                         /* we disable interrupts for this input until processing is done */
3733                         hdsp->control_register &= ~HDSP_Midi0InterruptEnable;
3734                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3735                         hdsp->midi[0].pending = 1;
3736                         schedule = 1;
3737                 } else {
3738                         snd_hdsp_midi_input_read (&hdsp->midi[0]);
3739                 }
3740         }
3741         if (hdsp->io_type != Multiface && hdsp->io_type != H9632 && midi1 && midi1status) {
3742                 if (hdsp->use_midi_tasklet) {
3743                         /* we disable interrupts for this input until processing is done */
3744                         hdsp->control_register &= ~HDSP_Midi1InterruptEnable;
3745                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3746                         hdsp->midi[1].pending = 1;
3747                         schedule = 1;
3748                 } else {
3749                         snd_hdsp_midi_input_read (&hdsp->midi[1]);
3750                 }
3751         }
3752         if (hdsp->use_midi_tasklet && schedule)
3753                 tasklet_schedule(&hdsp->midi_tasklet);
3754         return IRQ_HANDLED;
3755 }
3756
3757 static snd_pcm_uframes_t snd_hdsp_hw_pointer(struct snd_pcm_substream *substream)
3758 {
3759         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3760         return hdsp_hw_pointer(hdsp);
3761 }
3762
3763 static char *hdsp_channel_buffer_location(struct hdsp *hdsp,
3764                                              int stream,
3765                                              int channel)
3766
3767 {
3768         int mapped_channel;
3769
3770         if (snd_BUG_ON(channel < 0 || channel >= hdsp->max_channels))
3771                 return NULL;
3772         
3773         if ((mapped_channel = hdsp->channel_map[channel]) < 0)
3774                 return NULL;
3775         
3776         if (stream == SNDRV_PCM_STREAM_CAPTURE)
3777                 return hdsp->capture_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
3778         else
3779                 return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
3780 }
3781
3782 static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel,
3783                                   snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
3784 {
3785         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3786         char *channel_buf;
3787
3788         if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4))
3789                 return -EINVAL;
3790
3791         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3792         if (snd_BUG_ON(!channel_buf))
3793                 return -EIO;
3794         if (copy_from_user(channel_buf + pos * 4, src, count * 4))
3795                 return -EFAULT;
3796         return count;
3797 }
3798
3799 static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel,
3800                                  snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
3801 {
3802         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3803         char *channel_buf;
3804
3805         if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4))
3806                 return -EINVAL;
3807
3808         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3809         if (snd_BUG_ON(!channel_buf))
3810                 return -EIO;
3811         if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
3812                 return -EFAULT;
3813         return count;
3814 }
3815
3816 static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel,
3817                                   snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
3818 {
3819         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3820         char *channel_buf;
3821
3822         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3823         if (snd_BUG_ON(!channel_buf))
3824                 return -EIO;
3825         memset(channel_buf + pos * 4, 0, count * 4);
3826         return count;
3827 }
3828
3829 static int snd_hdsp_reset(struct snd_pcm_substream *substream)
3830 {
3831         struct snd_pcm_runtime *runtime = substream->runtime;
3832         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3833         struct snd_pcm_substream *other;
3834         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3835                 other = hdsp->capture_substream;
3836         else
3837                 other = hdsp->playback_substream;
3838         if (hdsp->running)
3839                 runtime->status->hw_ptr = hdsp_hw_pointer(hdsp);
3840         else
3841                 runtime->status->hw_ptr = 0;
3842         if (other) {
3843                 struct snd_pcm_substream *s;
3844                 struct snd_pcm_runtime *oruntime = other->runtime;
3845                 snd_pcm_group_for_each_entry(s, substream) {
3846                         if (s == other) {
3847                                 oruntime->status->hw_ptr = runtime->status->hw_ptr;
3848                                 break;
3849                         }
3850                 }
3851         }
3852         return 0;
3853 }
3854
3855 static int snd_hdsp_hw_params(struct snd_pcm_substream *substream,
3856                                  struct snd_pcm_hw_params *params)
3857 {
3858         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3859         int err;
3860         pid_t this_pid;
3861         pid_t other_pid;
3862
3863         if (hdsp_check_for_iobox (hdsp))
3864                 return -EIO;
3865
3866         if (hdsp_check_for_firmware(hdsp, 1))
3867                 return -EIO;
3868
3869         spin_lock_irq(&hdsp->lock);
3870
3871         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3872                 hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
3873                 hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= hdsp->creg_spdif_stream);
3874                 this_pid = hdsp->playback_pid;
3875                 other_pid = hdsp->capture_pid;
3876         } else {
3877                 this_pid = hdsp->capture_pid;
3878                 other_pid = hdsp->playback_pid;
3879         }
3880
3881         if ((other_pid > 0) && (this_pid != other_pid)) {
3882
3883                 /* The other stream is open, and not by the same
3884                    task as this one. Make sure that the parameters
3885                    that matter are the same.
3886                  */
3887
3888                 if (params_rate(params) != hdsp->system_sample_rate) {
3889                         spin_unlock_irq(&hdsp->lock);
3890                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
3891                         return -EBUSY;
3892                 }
3893
3894                 if (params_period_size(params) != hdsp->period_bytes / 4) {
3895                         spin_unlock_irq(&hdsp->lock);
3896                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3897                         return -EBUSY;
3898                 }
3899
3900                 /* We're fine. */
3901
3902                 spin_unlock_irq(&hdsp->lock);
3903                 return 0;
3904
3905         } else {
3906                 spin_unlock_irq(&hdsp->lock);
3907         }
3908
3909         /* how to make sure that the rate matches an externally-set one ?
3910          */
3911
3912         spin_lock_irq(&hdsp->lock);
3913         if (! hdsp->clock_source_locked) {
3914                 if ((err = hdsp_set_rate(hdsp, params_rate(params), 0)) < 0) {
3915                         spin_unlock_irq(&hdsp->lock);
3916                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
3917                         return err;
3918                 }
3919         }
3920         spin_unlock_irq(&hdsp->lock);
3921
3922         if ((err = hdsp_set_interrupt_interval(hdsp, params_period_size(params))) < 0) {
3923                 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3924                 return err;
3925         }
3926
3927         return 0;
3928 }
3929
3930 static int snd_hdsp_channel_info(struct snd_pcm_substream *substream,
3931                                     struct snd_pcm_channel_info *info)
3932 {
3933         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3934         int mapped_channel;
3935
3936         if (snd_BUG_ON(info->channel >= hdsp->max_channels))
3937                 return -EINVAL;
3938
3939         if ((mapped_channel = hdsp->channel_map[info->channel]) < 0)
3940                 return -EINVAL;
3941
3942         info->offset = mapped_channel * HDSP_CHANNEL_BUFFER_BYTES;
3943         info->first = 0;
3944         info->step = 32;
3945         return 0;
3946 }
3947
3948 static int snd_hdsp_ioctl(struct snd_pcm_substream *substream,
3949                              unsigned int cmd, void *arg)
3950 {
3951         switch (cmd) {
3952         case SNDRV_PCM_IOCTL1_RESET:
3953                 return snd_hdsp_reset(substream);
3954         case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
3955                 return snd_hdsp_channel_info(substream, arg);
3956         default:
3957                 break;
3958         }
3959
3960         return snd_pcm_lib_ioctl(substream, cmd, arg);
3961 }
3962
3963 static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd)
3964 {
3965         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3966         struct snd_pcm_substream *other;
3967         int running;
3968         
3969         if (hdsp_check_for_iobox (hdsp))
3970                 return -EIO;
3971
3972         if (hdsp_check_for_firmware(hdsp, 0)) /* no auto-loading in trigger */
3973                 return -EIO;
3974
3975         spin_lock(&hdsp->lock);
3976         running = hdsp->running;
3977         switch (cmd) {
3978         case SNDRV_PCM_TRIGGER_START:
3979                 running |= 1 << substream->stream;
3980                 break;
3981         case SNDRV_PCM_TRIGGER_STOP:
3982                 running &= ~(1 << substream->stream);
3983                 break;
3984         default:
3985                 snd_BUG();
3986                 spin_unlock(&hdsp->lock);
3987                 return -EINVAL;
3988         }
3989         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3990                 other = hdsp->capture_substream;
3991         else
3992                 other = hdsp->playback_substream;
3993
3994         if (other) {
3995                 struct snd_pcm_substream *s;
3996                 snd_pcm_group_for_each_entry(s, substream) {
3997                         if (s == other) {
3998                                 snd_pcm_trigger_done(s, substream);
3999                                 if (cmd == SNDRV_PCM_TRIGGER_START)
4000                                         running |= 1 << s->stream;
4001                                 else
4002                                         running &= ~(1 << s->stream);
4003                                 goto _ok;
4004                         }
4005                 }
4006                 if (cmd == SNDRV_PCM_TRIGGER_START) {
4007                         if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
4008                             substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4009                                 hdsp_silence_playback(hdsp);
4010                 } else {
4011                         if (running &&
4012                             substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4013                                 hdsp_silence_playback(hdsp);
4014                 }
4015         } else {
4016                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4017                                 hdsp_silence_playback(hdsp);
4018         }
4019  _ok:
4020         snd_pcm_trigger_done(substream, substream);
4021         if (!hdsp->running && running)
4022                 hdsp_start_audio(hdsp);
4023         else if (hdsp->running && !running)
4024                 hdsp_stop_audio(hdsp);
4025         hdsp->running = running;
4026         spin_unlock(&hdsp->lock);
4027
4028         return 0;
4029 }
4030
4031 static int snd_hdsp_prepare(struct snd_pcm_substream *substream)
4032 {
4033         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4034         int result = 0;
4035
4036         if (hdsp_check_for_iobox (hdsp))
4037                 return -EIO;
4038
4039         if (hdsp_check_for_firmware(hdsp, 1))
4040                 return -EIO;
4041
4042         spin_lock_irq(&hdsp->lock);
4043         if (!hdsp->running)
4044                 hdsp_reset_hw_pointer(hdsp);
4045         spin_unlock_irq(&hdsp->lock);
4046         return result;
4047 }
4048
4049 static struct snd_pcm_hardware snd_hdsp_playback_subinfo =
4050 {
4051         .info =                 (SNDRV_PCM_INFO_MMAP |
4052                                  SNDRV_PCM_INFO_MMAP_VALID |
4053                                  SNDRV_PCM_INFO_NONINTERLEAVED |
4054                                  SNDRV_PCM_INFO_SYNC_START |
4055                                  SNDRV_PCM_INFO_DOUBLE),
4056 #ifdef SNDRV_BIG_ENDIAN
4057         .formats =              SNDRV_PCM_FMTBIT_S32_BE,
4058 #else
4059         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
4060 #endif
4061         .rates =                (SNDRV_PCM_RATE_32000 |
4062                                  SNDRV_PCM_RATE_44100 | 
4063                                  SNDRV_PCM_RATE_48000 | 
4064                                  SNDRV_PCM_RATE_64000 | 
4065                                  SNDRV_PCM_RATE_88200 | 
4066                                  SNDRV_PCM_RATE_96000),
4067         .rate_min =             32000,
4068         .rate_max =             96000,
4069         .channels_min =         14,
4070         .channels_max =         HDSP_MAX_CHANNELS,
4071         .buffer_bytes_max =     HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4072         .period_bytes_min =     (64 * 4) * 10,
4073         .period_bytes_max =     (8192 * 4) * HDSP_MAX_CHANNELS,
4074         .periods_min =          2,
4075         .periods_max =          2,
4076         .fifo_size =            0
4077 };
4078
4079 static struct snd_pcm_hardware snd_hdsp_capture_subinfo =
4080 {
4081         .info =                 (SNDRV_PCM_INFO_MMAP |
4082                                  SNDRV_PCM_INFO_MMAP_VALID |
4083                                  SNDRV_PCM_INFO_NONINTERLEAVED |
4084                                  SNDRV_PCM_INFO_SYNC_START),
4085 #ifdef SNDRV_BIG_ENDIAN
4086         .formats =              SNDRV_PCM_FMTBIT_S32_BE,
4087 #else
4088         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
4089 #endif
4090         .rates =                (SNDRV_PCM_RATE_32000 |
4091                                  SNDRV_PCM_RATE_44100 | 
4092                                  SNDRV_PCM_RATE_48000 | 
4093                                  SNDRV_PCM_RATE_64000 | 
4094                                  SNDRV_PCM_RATE_88200 | 
4095                                  SNDRV_PCM_RATE_96000),
4096         .rate_min =             32000,
4097         .rate_max =             96000,
4098         .channels_min =         14,
4099         .channels_max =         HDSP_MAX_CHANNELS,
4100         .buffer_bytes_max =     HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4101         .period_bytes_min =     (64 * 4) * 10,
4102         .period_bytes_max =     (8192 * 4) * HDSP_MAX_CHANNELS,
4103         .periods_min =          2,
4104         .periods_max =          2,
4105         .fifo_size =            0
4106 };
4107
4108 static unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
4109
4110 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = {
4111         .count = ARRAY_SIZE(hdsp_period_sizes),
4112         .list = hdsp_period_sizes,
4113         .mask = 0
4114 };
4115
4116 static unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 };
4117
4118 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = {
4119         .count = ARRAY_SIZE(hdsp_9632_sample_rates),
4120         .list = hdsp_9632_sample_rates,
4121         .mask = 0
4122 };
4123
4124 static int snd_hdsp_hw_rule_in_channels(struct snd_pcm_hw_params *params,
4125                                         struct snd_pcm_hw_rule *rule)
4126 {
4127         struct hdsp *hdsp = rule->private;
4128         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4129         if (hdsp->io_type == H9632) {
4130                 unsigned int list[3];
4131                 list[0] = hdsp->qs_in_channels;
4132                 list[1] = hdsp->ds_in_channels;
4133                 list[2] = hdsp->ss_in_channels;
4134                 return snd_interval_list(c, 3, list, 0);
4135         } else {
4136                 unsigned int list[2];
4137                 list[0] = hdsp->ds_in_channels;
4138                 list[1] = hdsp->ss_in_channels;
4139                 return snd_interval_list(c, 2, list, 0);
4140         }
4141 }
4142
4143 static int snd_hdsp_hw_rule_out_channels(struct snd_pcm_hw_params *params,
4144                                         struct snd_pcm_hw_rule *rule)
4145 {
4146         unsigned int list[3];
4147         struct hdsp *hdsp = rule->private;
4148         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4149         if (hdsp->io_type == H9632) {
4150                 list[0] = hdsp->qs_out_channels;
4151                 list[1] = hdsp->ds_out_channels;
4152                 list[2] = hdsp->ss_out_channels;
4153                 return snd_interval_list(c, 3, list, 0);
4154         } else {
4155                 list[0] = hdsp->ds_out_channels;
4156                 list[1] = hdsp->ss_out_channels;
4157         }
4158         return snd_interval_list(c, 2, list, 0);
4159 }
4160
4161 static int snd_hdsp_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
4162                                              struct snd_pcm_hw_rule *rule)
4163 {
4164         struct hdsp *hdsp = rule->private;
4165         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4166         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4167         if (r->min > 96000 && hdsp->io_type == H9632) {
4168                 struct snd_interval t = {
4169                         .min = hdsp->qs_in_channels,
4170                         .max = hdsp->qs_in_channels,
4171                         .integer = 1,
4172                 };
4173                 return snd_interval_refine(c, &t);      
4174         } else if (r->min > 48000 && r->max <= 96000) {
4175                 struct snd_interval t = {
4176                         .min = hdsp->ds_in_channels,
4177                         .max = hdsp->ds_in_channels,
4178                         .integer = 1,
4179                 };
4180                 return snd_interval_refine(c, &t);
4181         } else if (r->max < 64000) {
4182                 struct snd_interval t = {
4183                         .min = hdsp->ss_in_channels,
4184                         .max = hdsp->ss_in_channels,
4185                         .integer = 1,
4186                 };
4187                 return snd_interval_refine(c, &t);
4188         }
4189         return 0;
4190 }
4191
4192 static int snd_hdsp_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
4193                                              struct snd_pcm_hw_rule *rule)
4194 {
4195         struct hdsp *hdsp = rule->private;
4196         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4197         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4198         if (r->min > 96000 && hdsp->io_type == H9632) {
4199                 struct snd_interval t = {
4200                         .min = hdsp->qs_out_channels,
4201                         .max = hdsp->qs_out_channels,
4202                         .integer = 1,
4203                 };
4204                 return snd_interval_refine(c, &t);      
4205         } else if (r->min > 48000 && r->max <= 96000) {
4206                 struct snd_interval t = {
4207                         .min = hdsp->ds_out_channels,
4208                         .max = hdsp->ds_out_channels,
4209                         .integer = 1,
4210                 };
4211                 return snd_interval_refine(c, &t);
4212         } else if (r->max < 64000) {
4213                 struct snd_interval t = {
4214                         .min = hdsp->ss_out_channels,
4215                         .max = hdsp->ss_out_channels,
4216                         .integer = 1,
4217                 };
4218                 return snd_interval_refine(c, &t);
4219         }
4220         return 0;
4221 }
4222
4223 static int snd_hdsp_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params,
4224                                              struct snd_pcm_hw_rule *rule)
4225 {
4226         struct hdsp *hdsp = rule->private;
4227         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4228         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4229         if (c->min >= hdsp->ss_out_channels) {
4230                 struct snd_interval t = {
4231                         .min = 32000,
4232                         .max = 48000,
4233                         .integer = 1,
4234                 };
4235                 return snd_interval_refine(r, &t);
4236         } else if (c->max <= hdsp->qs_out_channels && hdsp->io_type == H9632) {
4237                 struct snd_interval t = {
4238                         .min = 128000,
4239                         .max = 192000,
4240                         .integer = 1,
4241                 };
4242                 return snd_interval_refine(r, &t);
4243         } else if (c->max <= hdsp->ds_out_channels) {
4244                 struct snd_interval t = {
4245                         .min = 64000,
4246                         .max = 96000,
4247                         .integer = 1,
4248                 };
4249                 return snd_interval_refine(r, &t);
4250         }
4251         return 0;
4252 }
4253
4254 static int snd_hdsp_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params,
4255                                              struct snd_pcm_hw_rule *rule)
4256 {
4257         struct hdsp *hdsp = rule->private;
4258         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4259         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4260         if (c->min >= hdsp->ss_in_channels) {
4261                 struct snd_interval t = {
4262                         .min = 32000,
4263                         .max = 48000,
4264                         .integer = 1,
4265                 };
4266                 return snd_interval_refine(r, &t);
4267         } else if (c->max <= hdsp->qs_in_channels && hdsp->io_type == H9632) {
4268                 struct snd_interval t = {
4269                         .min = 128000,
4270                         .max = 192000,
4271                         .integer = 1,
4272                 };
4273                 return snd_interval_refine(r, &t);
4274         } else if (c->max <= hdsp->ds_in_channels) {
4275                 struct snd_interval t = {
4276                         .min = 64000,
4277                         .max = 96000,
4278                         .integer = 1,
4279                 };
4280                 return snd_interval_refine(r, &t);
4281         }
4282         return 0;
4283 }
4284
4285 static int snd_hdsp_playback_open(struct snd_pcm_substream *substream)
4286 {
4287         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4288         struct snd_pcm_runtime *runtime = substream->runtime;
4289
4290         if (hdsp_check_for_iobox (hdsp))
4291                 return -EIO;
4292
4293         if (hdsp_check_for_firmware(hdsp, 1))
4294                 return -EIO;
4295
4296         spin_lock_irq(&hdsp->lock);
4297
4298         snd_pcm_set_sync(substream);
4299
4300         runtime->hw = snd_hdsp_playback_subinfo;
4301         runtime->dma_area = hdsp->playback_buffer;
4302         runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4303
4304         hdsp->playback_pid = current->pid;
4305         hdsp->playback_substream = substream;
4306
4307         spin_unlock_irq(&hdsp->lock);
4308
4309         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4310         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4311         if (hdsp->clock_source_locked) {
4312                 runtime->hw.rate_min = runtime->hw.rate_max = hdsp->system_sample_rate;
4313         } else if (hdsp->io_type == H9632) {
4314                 runtime->hw.rate_max = 192000;
4315                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4316                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4317         }
4318         if (hdsp->io_type == H9632) {
4319                 runtime->hw.channels_min = hdsp->qs_out_channels;
4320                 runtime->hw.channels_max = hdsp->ss_out_channels;
4321         }       
4322         
4323         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4324                              snd_hdsp_hw_rule_out_channels, hdsp,
4325                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4326         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4327                              snd_hdsp_hw_rule_out_channels_rate, hdsp,
4328                              SNDRV_PCM_HW_PARAM_RATE, -1);
4329         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4330                              snd_hdsp_hw_rule_rate_out_channels, hdsp,
4331                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4332
4333         hdsp->creg_spdif_stream = hdsp->creg_spdif;
4334         hdsp->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4335         snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4336                        SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4337         return 0;
4338 }
4339
4340 static int snd_hdsp_playback_release(struct snd_pcm_substream *substream)
4341 {
4342         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4343
4344         spin_lock_irq(&hdsp->lock);
4345
4346         hdsp->playback_pid = -1;
4347         hdsp->playback_substream = NULL;
4348
4349         spin_unlock_irq(&hdsp->lock);
4350
4351         hdsp->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4352         snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4353                        SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4354         return 0;
4355 }
4356
4357
4358 static int snd_hdsp_capture_open(struct snd_pcm_substream *substream)
4359 {
4360         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4361         struct snd_pcm_runtime *runtime = substream->runtime;
4362
4363         if (hdsp_check_for_iobox (hdsp))
4364                 return -EIO;
4365
4366         if (hdsp_check_for_firmware(hdsp, 1))
4367                 return -EIO;
4368
4369         spin_lock_irq(&hdsp->lock);
4370
4371         snd_pcm_set_sync(substream);
4372
4373         runtime->hw = snd_hdsp_capture_subinfo;
4374         runtime->dma_area = hdsp->capture_buffer;
4375         runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4376
4377         hdsp->capture_pid = current->pid;
4378         hdsp->capture_substream = substream;
4379
4380         spin_unlock_irq(&hdsp->lock);
4381
4382         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4383         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4384         if (hdsp->io_type == H9632) {
4385                 runtime->hw.channels_min = hdsp->qs_in_channels;
4386                 runtime->hw.channels_max = hdsp->ss_in_channels;
4387                 runtime->hw.rate_max = 192000;
4388                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4389                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4390         }
4391         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4392                              snd_hdsp_hw_rule_in_channels, hdsp,
4393                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4394         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4395                              snd_hdsp_hw_rule_in_channels_rate, hdsp,
4396                              SNDRV_PCM_HW_PARAM_RATE, -1);
4397         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4398                              snd_hdsp_hw_rule_rate_in_channels, hdsp,
4399                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4400         return 0;
4401 }
4402
4403 static int snd_hdsp_capture_release(struct snd_pcm_substream *substream)
4404 {
4405         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4406
4407         spin_lock_irq(&hdsp->lock);
4408
4409         hdsp->capture_pid = -1;
4410         hdsp->capture_substream = NULL;
4411
4412         spin_unlock_irq(&hdsp->lock);
4413         return 0;
4414 }
4415
4416 static int snd_hdsp_hwdep_dummy_op(struct snd_hwdep *hw, struct file *file)
4417 {
4418         /* we have nothing to initialize but the call is required */
4419         return 0;
4420 }
4421
4422
4423 /* helper functions for copying meter values */
4424 static inline int copy_u32_le(void __user *dest, void __iomem *src)
4425 {
4426         u32 val = readl(src);
4427         return copy_to_user(dest, &val, 4);
4428 }
4429
4430 static inline int copy_u64_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4431 {
4432         u32 rms_low, rms_high;
4433         u64 rms;
4434         rms_low = readl(src_low);
4435         rms_high = readl(src_high);
4436         rms = ((u64)rms_high << 32) | rms_low;
4437         return copy_to_user(dest, &rms, 8);
4438 }
4439
4440 static inline int copy_u48_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4441 {
4442         u32 rms_low, rms_high;
4443         u64 rms;
4444         rms_low = readl(src_low) & 0xffffff00;
4445         rms_high = readl(src_high) & 0xffffff00;
4446         rms = ((u64)rms_high << 32) | rms_low;
4447         return copy_to_user(dest, &rms, 8);
4448 }
4449
4450 static int hdsp_9652_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4451 {
4452         int doublespeed = 0;
4453         int i, j, channels, ofs;
4454
4455         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4456                 doublespeed = 1;
4457         channels = doublespeed ? 14 : 26;
4458         for (i = 0, j = 0; i < 26; ++i) {
4459                 if (doublespeed && (i & 4))
4460                         continue;
4461                 ofs = HDSP_9652_peakBase - j * 4;
4462                 if (copy_u32_le(&peak_rms->input_peaks[i], hdsp->iobase + ofs))
4463                         return -EFAULT;
4464                 ofs -= channels * 4;
4465                 if (copy_u32_le(&peak_rms->playback_peaks[i], hdsp->iobase + ofs))
4466                         return -EFAULT;
4467                 ofs -= channels * 4;
4468                 if (copy_u32_le(&peak_rms->output_peaks[i], hdsp->iobase + ofs))
4469                         return -EFAULT;
4470                 ofs = HDSP_9652_rmsBase + j * 8;
4471                 if (copy_u48_le(&peak_rms->input_rms[i], hdsp->iobase + ofs,
4472                                 hdsp->iobase + ofs + 4))
4473                         return -EFAULT;
4474                 ofs += channels * 8;
4475                 if (copy_u48_le(&peak_rms->playback_rms[i], hdsp->iobase + ofs,
4476                                 hdsp->iobase + ofs + 4))
4477                         return -EFAULT;
4478                 ofs += channels * 8;
4479                 if (copy_u48_le(&peak_rms->output_rms[i], hdsp->iobase + ofs,
4480                                 hdsp->iobase + ofs + 4))
4481                         return -EFAULT;
4482                 j++;
4483         }
4484         return 0;
4485 }
4486
4487 static int hdsp_9632_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4488 {
4489         int i, j;
4490         struct hdsp_9632_meters __iomem *m;
4491         int doublespeed = 0;
4492
4493         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4494                 doublespeed = 1;
4495         m = (struct hdsp_9632_meters __iomem *)(hdsp->iobase+HDSP_9632_metersBase);
4496         for (i = 0, j = 0; i < 16; ++i, ++j) {
4497                 if (copy_u32_le(&peak_rms->input_peaks[i], &m->input_peak[j]))
4498                         return -EFAULT;
4499                 if (copy_u32_le(&peak_rms->playback_peaks[i], &m->playback_peak[j]))
4500                         return -EFAULT;
4501                 if (copy_u32_le(&peak_rms->output_peaks[i], &m->output_peak[j]))
4502                         return -EFAULT;
4503                 if (copy_u64_le(&peak_rms->input_rms[i], &m->input_rms_low[j],
4504                                 &m->input_rms_high[j]))
4505                         return -EFAULT;
4506                 if (copy_u64_le(&peak_rms->playback_rms[i], &m->playback_rms_low[j],
4507                                 &m->playback_rms_high[j]))
4508                         return -EFAULT;
4509                 if (copy_u64_le(&peak_rms->output_rms[i], &m->output_rms_low[j],
4510                                 &m->output_rms_high[j]))
4511                         return -EFAULT;
4512                 if (doublespeed && i == 3) i += 4;
4513         }
4514         return 0;
4515 }
4516
4517 static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4518 {
4519         int i;
4520
4521         for (i = 0; i < 26; i++) {
4522                 if (copy_u32_le(&peak_rms->playback_peaks[i],
4523                                 hdsp->iobase + HDSP_playbackPeakLevel + i * 4))
4524                         return -EFAULT;
4525                 if (copy_u32_le(&peak_rms->input_peaks[i],
4526                                 hdsp->iobase + HDSP_inputPeakLevel + i * 4))
4527                         return -EFAULT;
4528         }
4529         for (i = 0; i < 28; i++) {
4530                 if (copy_u32_le(&peak_rms->output_peaks[i],
4531                                 hdsp->iobase + HDSP_outputPeakLevel + i * 4))
4532                         return -EFAULT;
4533         }
4534         for (i = 0; i < 26; ++i) {
4535                 if (copy_u64_le(&peak_rms->playback_rms[i],
4536                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8 + 4,
4537                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8))
4538                         return -EFAULT;
4539                 if (copy_u64_le(&peak_rms->input_rms[i], 
4540                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8 + 4,
4541                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8))
4542                         return -EFAULT;
4543         }
4544         return 0;
4545 }
4546
4547 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg)
4548 {
4549         struct hdsp *hdsp = (struct hdsp *)hw->private_data;    
4550         void __user *argp = (void __user *)arg;
4551         int err;
4552
4553         switch (cmd) {
4554         case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: {
4555                 struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg;
4556
4557                 err = hdsp_check_for_iobox(hdsp);
4558                 if (err < 0)
4559                         return err;
4560
4561                 err = hdsp_check_for_firmware(hdsp, 1);
4562                 if (err < 0)
4563                         return err;
4564
4565                 if (!(hdsp->state & HDSP_FirmwareLoaded)) {
4566                         snd_printk(KERN_ERR "Hammerfall-DSP: firmware needs to be uploaded to the card.\n");
4567                         return -EINVAL;
4568                 }
4569
4570                 switch (hdsp->io_type) {
4571                 case H9652:
4572                         return hdsp_9652_get_peak(hdsp, peak_rms);
4573                 case H9632:
4574                         return hdsp_9632_get_peak(hdsp, peak_rms);
4575                 default:
4576                         return hdsp_get_peak(hdsp, peak_rms);
4577                 }
4578         }
4579         case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: {
4580                 struct hdsp_config_info info;
4581                 unsigned long flags;
4582                 int i;
4583                 
4584                 err = hdsp_check_for_iobox(hdsp);
4585                 if (err < 0)
4586                         return err;
4587
4588                 err = hdsp_check_for_firmware(hdsp, 1);
4589                 if (err < 0)
4590                         return err;
4591
4592                 spin_lock_irqsave(&hdsp->lock, flags);
4593                 info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp);
4594                 info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp);
4595                 if (hdsp->io_type != H9632)
4596                     info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp);
4597                 info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp);
4598                 for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != H9632) ? 3 : 1); ++i)
4599                         info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i);
4600                 info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp);
4601                 info.spdif_out = (unsigned char)hdsp_spdif_out(hdsp);
4602                 info.spdif_professional = (unsigned char)hdsp_spdif_professional(hdsp);
4603                 info.spdif_emphasis = (unsigned char)hdsp_spdif_emphasis(hdsp);
4604                 info.spdif_nonaudio = (unsigned char)hdsp_spdif_nonaudio(hdsp);
4605                 info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp);
4606                 info.system_sample_rate = hdsp->system_sample_rate;
4607                 info.autosync_sample_rate = hdsp_external_sample_rate(hdsp);
4608                 info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp);
4609                 info.clock_source = (unsigned char)hdsp_clock_source(hdsp);
4610                 info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp);
4611                 info.line_out = (unsigned char)hdsp_line_out(hdsp);
4612                 if (hdsp->io_type == H9632) {
4613                         info.da_gain = (unsigned char)hdsp_da_gain(hdsp);
4614                         info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp);
4615                         info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp);
4616                         info.xlr_breakout_cable = (unsigned char)hdsp_xlr_breakout_cable(hdsp);
4617                 
4618                 }
4619                 if (hdsp->io_type == H9632 || hdsp->io_type == H9652)
4620                         info.analog_extension_board = (unsigned char)hdsp_aeb(hdsp);
4621                 spin_unlock_irqrestore(&hdsp->lock, flags);
4622                 if (copy_to_user(argp, &info, sizeof(info)))
4623                         return -EFAULT;
4624                 break;
4625         }
4626         case SNDRV_HDSP_IOCTL_GET_9632_AEB: {
4627                 struct hdsp_9632_aeb h9632_aeb;
4628                 
4629                 if (hdsp->io_type != H9632) return -EINVAL;
4630                 h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS;
4631                 h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS;
4632                 if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb)))
4633                         return -EFAULT;
4634                 break;
4635         }
4636         case SNDRV_HDSP_IOCTL_GET_VERSION: {
4637                 struct hdsp_version hdsp_version;
4638                 int err;
4639                 
4640                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
4641                 if (hdsp->io_type == Undefined) {
4642                         if ((err = hdsp_get_iobox_version(hdsp)) < 0)
4643                                 return err;
4644                 }
4645                 hdsp_version.io_type = hdsp->io_type;
4646                 hdsp_version.firmware_rev = hdsp->firmware_rev;
4647                 if ((err = copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))))
4648                         return -EFAULT;
4649                 break;
4650         }
4651         case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: {
4652                 struct hdsp_firmware __user *firmware;
4653                 u32 __user *firmware_data;
4654                 int err;
4655                 
4656                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
4657                 /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */
4658                 if (hdsp->io_type == Undefined) return -EINVAL;
4659
4660                 if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded))
4661                         return -EBUSY;
4662
4663                 snd_printk(KERN_INFO "Hammerfall-DSP: initializing firmware upload\n");
4664                 firmware = (struct hdsp_firmware __user *)argp;
4665
4666                 if (get_user(firmware_data, &firmware->firmware_data))
4667                         return -EFAULT;
4668                 
4669                 if (hdsp_check_for_iobox (hdsp))
4670                         return -EIO;
4671
4672                 if (copy_from_user(hdsp->firmware_cache, firmware_data, sizeof(hdsp->firmware_cache)) != 0)
4673                         return -EFAULT;
4674                 
4675                 hdsp->state |= HDSP_FirmwareCached;
4676
4677                 if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
4678                         return err;
4679                 
4680                 if (!(hdsp->state & HDSP_InitializationComplete)) {
4681                         if ((err = snd_hdsp_enable_io(hdsp)) < 0)
4682                                 return err;
4683                         
4684                         snd_hdsp_initialize_channels(hdsp);             
4685                         snd_hdsp_initialize_midi_flush(hdsp);
4686             
4687                         if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
4688                                 snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
4689                                 return err;
4690                         }
4691                 }
4692                 break;
4693         }
4694         case SNDRV_HDSP_IOCTL_GET_MIXER: {
4695                 struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp;
4696                 if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE))
4697                         return -EFAULT;
4698                 break;
4699         }
4700         default:
4701                 return -EINVAL;
4702         }
4703         return 0;
4704 }
4705
4706 static struct snd_pcm_ops snd_hdsp_playback_ops = {
4707         .open =         snd_hdsp_playback_open,
4708         .close =        snd_hdsp_playback_release,
4709         .ioctl =        snd_hdsp_ioctl,
4710         .hw_params =    snd_hdsp_hw_params,
4711         .prepare =      snd_hdsp_prepare,
4712         .trigger =      snd_hdsp_trigger,
4713         .pointer =      snd_hdsp_hw_pointer,
4714         .copy =         snd_hdsp_playback_copy,
4715         .silence =      snd_hdsp_hw_silence,
4716 };
4717
4718 static struct snd_pcm_ops snd_hdsp_capture_ops = {
4719         .open =         snd_hdsp_capture_open,
4720         .close =        snd_hdsp_capture_release,
4721         .ioctl =        snd_hdsp_ioctl,
4722         .hw_params =    snd_hdsp_hw_params,
4723         .prepare =      snd_hdsp_prepare,
4724         .trigger =      snd_hdsp_trigger,
4725         .pointer =      snd_hdsp_hw_pointer,
4726         .copy =         snd_hdsp_capture_copy,
4727 };
4728
4729 static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)
4730 {
4731         struct snd_hwdep *hw;
4732         int err;
4733         
4734         if ((err = snd_hwdep_new(card, "HDSP hwdep", 0, &hw)) < 0)
4735                 return err;
4736                 
4737         hdsp->hwdep = hw;
4738         hw->private_data = hdsp;
4739         strcpy(hw->name, "HDSP hwdep interface");
4740
4741         hw->ops.open = snd_hdsp_hwdep_dummy_op;
4742         hw->ops.ioctl = snd_hdsp_hwdep_ioctl;
4743         hw->ops.release = snd_hdsp_hwdep_dummy_op;
4744                 
4745         return 0;
4746 }
4747
4748 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp)
4749 {
4750         struct snd_pcm *pcm;
4751         int err;
4752
4753         if ((err = snd_pcm_new(card, hdsp->card_name, 0, 1, 1, &pcm)) < 0)
4754                 return err;
4755
4756         hdsp->pcm = pcm;
4757         pcm->private_data = hdsp;
4758         strcpy(pcm->name, hdsp->card_name);
4759
4760         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_hdsp_playback_ops);
4761         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_hdsp_capture_ops);
4762
4763         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
4764
4765         return 0;
4766 }
4767
4768 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp)
4769 {
4770         hdsp->control2_register |= HDSP_9652_ENABLE_MIXER;
4771         hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
4772 }
4773
4774 static int snd_hdsp_enable_io (struct hdsp *hdsp)
4775 {
4776         int i;
4777         
4778         if (hdsp_fifo_wait (hdsp, 0, 100)) {
4779                 snd_printk(KERN_ERR "Hammerfall-DSP: enable_io fifo_wait failed\n");
4780                 return -EIO;
4781         }
4782         
4783         for (i = 0; i < hdsp->max_channels; ++i) {
4784                 hdsp_write (hdsp, HDSP_inputEnable + (4 * i), 1);
4785                 hdsp_write (hdsp, HDSP_outputEnable + (4 * i), 1);
4786         }
4787         
4788         return 0;
4789 }
4790
4791 static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
4792 {
4793         int status, aebi_channels, aebo_channels;
4794         
4795         switch (hdsp->io_type) {
4796         case Digiface:
4797                 hdsp->card_name = "RME Hammerfall DSP + Digiface";
4798                 hdsp->ss_in_channels = hdsp->ss_out_channels = DIGIFACE_SS_CHANNELS;
4799                 hdsp->ds_in_channels = hdsp->ds_out_channels = DIGIFACE_DS_CHANNELS;
4800                 break;
4801
4802         case H9652:
4803                 hdsp->card_name = "RME Hammerfall HDSP 9652";
4804                 hdsp->ss_in_channels = hdsp->ss_out_channels = H9652_SS_CHANNELS;
4805                 hdsp->ds_in_channels = hdsp->ds_out_channels = H9652_DS_CHANNELS;
4806                 break;
4807         
4808         case H9632:
4809                 status = hdsp_read(hdsp, HDSP_statusRegister);
4810                 /* HDSP_AEBx bits are low when AEB are connected */
4811                 aebi_channels = (status & HDSP_AEBI) ? 0 : 4;
4812                 aebo_channels = (status & HDSP_AEBO) ? 0 : 4;
4813                 hdsp->card_name = "RME Hammerfall HDSP 9632";
4814                 hdsp->ss_in_channels = H9632_SS_CHANNELS+aebi_channels;
4815                 hdsp->ds_in_channels = H9632_DS_CHANNELS+aebi_channels;
4816                 hdsp->qs_in_channels = H9632_QS_CHANNELS+aebi_channels;
4817                 hdsp->ss_out_channels = H9632_SS_CHANNELS+aebo_channels;
4818                 hdsp->ds_out_channels = H9632_DS_CHANNELS+aebo_channels;
4819                 hdsp->qs_out_channels = H9632_QS_CHANNELS+aebo_channels;
4820                 break;
4821
4822         case Multiface:
4823                 hdsp->card_name = "RME Hammerfall DSP + Multiface";
4824                 hdsp->ss_in_channels = hdsp->ss_out_channels = MULTIFACE_SS_CHANNELS;
4825                 hdsp->ds_in_channels = hdsp->ds_out_channels = MULTIFACE_DS_CHANNELS;
4826                 break;
4827                 
4828         default:
4829                 /* should never get here */
4830                 break;
4831         }
4832 }
4833
4834 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp)
4835 {
4836         snd_hdsp_flush_midi_input (hdsp, 0);
4837         snd_hdsp_flush_midi_input (hdsp, 1);
4838 }
4839
4840 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp)
4841 {
4842         int err;
4843         
4844         if ((err = snd_hdsp_create_pcm(card, hdsp)) < 0) {
4845                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating pcm interface\n");
4846                 return err;
4847         }
4848         
4849
4850         if ((err = snd_hdsp_create_midi(card, hdsp, 0)) < 0) {
4851                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating first midi interface\n");
4852                 return err;
4853         }
4854
4855         if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
4856                 if ((err = snd_hdsp_create_midi(card, hdsp, 1)) < 0) {
4857                         snd_printk(KERN_ERR "Hammerfall-DSP: Error creating second midi interface\n");
4858                         return err;
4859                 }
4860         }
4861
4862         if ((err = snd_hdsp_create_controls(card, hdsp)) < 0) {
4863                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating ctl interface\n");
4864                 return err;
4865         }
4866
4867         snd_hdsp_proc_init(hdsp);
4868
4869         hdsp->system_sample_rate = -1;
4870         hdsp->playback_pid = -1;
4871         hdsp->capture_pid = -1;
4872         hdsp->capture_substream = NULL;
4873         hdsp->playback_substream = NULL;
4874
4875         if ((err = snd_hdsp_set_defaults(hdsp)) < 0) {
4876                 snd_printk(KERN_ERR "Hammerfall-DSP: Error setting default values\n");
4877                 return err;
4878         }
4879         
4880         if (!(hdsp->state & HDSP_InitializationComplete)) {
4881                 strcpy(card->shortname, "Hammerfall DSP");
4882                 sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name, 
4883                         hdsp->port, hdsp->irq);
4884             
4885                 if ((err = snd_card_register(card)) < 0) {
4886                         snd_printk(KERN_ERR "Hammerfall-DSP: error registering card\n");
4887                         return err;
4888                 }
4889                 hdsp->state |= HDSP_InitializationComplete;
4890         }
4891         
4892         return 0;
4893 }
4894
4895 #ifdef HDSP_FW_LOADER
4896 /* load firmware via hotplug fw loader */
4897 static int hdsp_request_fw_loader(struct hdsp *hdsp)
4898 {
4899         const char *fwfile;
4900         const struct firmware *fw;
4901         int err;
4902                 
4903         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
4904                 return 0;
4905         if (hdsp->io_type == Undefined) {
4906                 if ((err = hdsp_get_iobox_version(hdsp)) < 0)
4907                         return err;
4908                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
4909                         return 0;
4910         }
4911         
4912         /* caution: max length of firmware filename is 30! */
4913         switch (hdsp->io_type) {
4914         case Multiface:
4915                 if (hdsp->firmware_rev == 0xa)
4916                         fwfile = "multiface_firmware.bin";
4917                 else
4918                         fwfile = "multiface_firmware_rev11.bin";
4919                 break;
4920         case Digiface:
4921                 if (hdsp->firmware_rev == 0xa)
4922                         fwfile = "digiface_firmware.bin";
4923                 else
4924                         fwfile = "digiface_firmware_rev11.bin";
4925                 break;
4926         default:
4927                 snd_printk(KERN_ERR "Hammerfall-DSP: invalid io_type %d\n", hdsp->io_type);
4928                 return -EINVAL;
4929         }
4930
4931         if (request_firmware(&fw, fwfile, &hdsp->pci->dev)) {
4932                 snd_printk(KERN_ERR "Hammerfall-DSP: cannot load firmware %s\n", fwfile);
4933                 return -ENOENT;
4934         }
4935         if (fw->size < sizeof(hdsp->firmware_cache)) {
4936                 snd_printk(KERN_ERR "Hammerfall-DSP: too short firmware size %d (expected %d)\n",
4937                            (int)fw->size, (int)sizeof(hdsp->firmware_cache));
4938                 release_firmware(fw);
4939                 return -EINVAL;
4940         }
4941
4942         memcpy(hdsp->firmware_cache, fw->data, sizeof(hdsp->firmware_cache));
4943
4944         release_firmware(fw);
4945                 
4946         hdsp->state |= HDSP_FirmwareCached;
4947
4948         if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
4949                 return err;
4950                 
4951         if (!(hdsp->state & HDSP_InitializationComplete)) {
4952                 if ((err = snd_hdsp_enable_io(hdsp)) < 0)
4953                         return err;
4954
4955                 if ((err = snd_hdsp_create_hwdep(hdsp->card, hdsp)) < 0) {
4956                         snd_printk(KERN_ERR "Hammerfall-DSP: error creating hwdep device\n");
4957                         return err;
4958                 }
4959                 snd_hdsp_initialize_channels(hdsp);
4960                 snd_hdsp_initialize_midi_flush(hdsp);
4961                 if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
4962                         snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
4963                         return err;
4964                 }
4965         }
4966         return 0;
4967 }
4968 #endif
4969
4970 static int __devinit snd_hdsp_create(struct snd_card *card,
4971                                      struct hdsp *hdsp)
4972 {
4973         struct pci_dev *pci = hdsp->pci;
4974         int err;
4975         int is_9652 = 0;
4976         int is_9632 = 0;
4977
4978         hdsp->irq = -1;
4979         hdsp->state = 0;
4980         hdsp->midi[0].rmidi = NULL;
4981         hdsp->midi[1].rmidi = NULL;
4982         hdsp->midi[0].input = NULL;
4983         hdsp->midi[1].input = NULL;
4984         hdsp->midi[0].output = NULL;
4985         hdsp->midi[1].output = NULL;
4986         hdsp->midi[0].pending = 0;
4987         hdsp->midi[1].pending = 0;
4988         spin_lock_init(&hdsp->midi[0].lock);
4989         spin_lock_init(&hdsp->midi[1].lock);
4990         hdsp->iobase = NULL;
4991         hdsp->control_register = 0;
4992         hdsp->control2_register = 0;
4993         hdsp->io_type = Undefined;
4994         hdsp->max_channels = 26;
4995
4996         hdsp->card = card;
4997         
4998         spin_lock_init(&hdsp->lock);
4999
5000         tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp);
5001         
5002         pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev);
5003         hdsp->firmware_rev &= 0xff;
5004         
5005         /* From Martin Bjoernsen :
5006             "It is important that the card's latency timer register in
5007             the PCI configuration space is set to a value much larger
5008             than 0 by the computer's BIOS or the driver.
5009             The windows driver always sets this 8 bit register [...]
5010             to its maximum 255 to avoid problems with some computers."
5011         */
5012         pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF);
5013         
5014         strcpy(card->driver, "H-DSP");
5015         strcpy(card->mixername, "Xilinx FPGA");
5016
5017         if (hdsp->firmware_rev < 0xa)
5018                 return -ENODEV;
5019         else if (hdsp->firmware_rev < 0x64)
5020                 hdsp->card_name = "RME Hammerfall DSP";
5021         else if (hdsp->firmware_rev < 0x96) {
5022                 hdsp->card_name = "RME HDSP 9652";
5023                 is_9652 = 1;
5024         } else {
5025                 hdsp->card_name = "RME HDSP 9632";
5026                 hdsp->max_channels = 16;
5027                 is_9632 = 1;    
5028         }
5029
5030         if ((err = pci_enable_device(pci)) < 0)
5031                 return err;
5032
5033         pci_set_master(hdsp->pci);
5034
5035         if ((err = pci_request_regions(pci, "hdsp")) < 0)
5036                 return err;
5037         hdsp->port = pci_resource_start(pci, 0);
5038         if ((hdsp->iobase = ioremap_nocache(hdsp->port, HDSP_IO_EXTENT)) == NULL) {
5039                 snd_printk(KERN_ERR "Hammerfall-DSP: unable to remap region 0x%lx-0x%lx\n", hdsp->port, hdsp->port + HDSP_IO_EXTENT - 1);
5040                 return -EBUSY;
5041         }
5042
5043         if (request_irq(pci->irq, snd_hdsp_interrupt, IRQF_SHARED,
5044                         "hdsp", hdsp)) {
5045                 snd_printk(KERN_ERR "Hammerfall-DSP: unable to use IRQ %d\n", pci->irq);
5046                 return -EBUSY;
5047         }
5048
5049         hdsp->irq = pci->irq;
5050         hdsp->precise_ptr = 0;
5051         hdsp->use_midi_tasklet = 1;
5052         hdsp->dds_value = 0;
5053
5054         if ((err = snd_hdsp_initialize_memory(hdsp)) < 0)
5055                 return err;
5056         
5057         if (!is_9652 && !is_9632) {
5058                 /* we wait 2 seconds to let freshly inserted cardbus cards do their hardware init */
5059                 ssleep(2);
5060
5061                 err = hdsp_check_for_iobox(hdsp);
5062                 if (err < 0)
5063                         return err;
5064
5065                 if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
5066 #ifdef HDSP_FW_LOADER
5067                         if ((err = hdsp_request_fw_loader(hdsp)) < 0)
5068                                 /* we don't fail as this can happen
5069                                    if userspace is not ready for
5070                                    firmware upload
5071                                 */
5072                                 snd_printk(KERN_ERR "Hammerfall-DSP: couldn't get firmware from userspace. try using hdsploader\n");
5073                         else
5074                                 /* init is complete, we return */
5075                                 return 0;
5076 #endif
5077                         /* we defer initialization */
5078                         snd_printk(KERN_INFO "Hammerfall-DSP: card initialization pending : waiting for firmware\n");
5079                         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5080                                 return err;
5081                         return 0;
5082                 } else {
5083                         snd_printk(KERN_INFO "Hammerfall-DSP: Firmware already present, initializing card.\n");     
5084                         if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
5085                                 hdsp->io_type = Multiface;
5086                         else 
5087                                 hdsp->io_type = Digiface;
5088                 }
5089         }
5090         
5091         if ((err = snd_hdsp_enable_io(hdsp)) != 0)
5092                 return err;
5093         
5094         if (is_9652)
5095                 hdsp->io_type = H9652;
5096         
5097         if (is_9632)
5098                 hdsp->io_type = H9632;
5099
5100         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5101                 return err;
5102         
5103         snd_hdsp_initialize_channels(hdsp);
5104         snd_hdsp_initialize_midi_flush(hdsp);
5105
5106         hdsp->state |= HDSP_FirmwareLoaded;     
5107
5108         if ((err = snd_hdsp_create_alsa_devices(card, hdsp)) < 0)
5109                 return err;
5110
5111         return 0;       
5112 }
5113
5114 static int snd_hdsp_free(struct hdsp *hdsp)
5115 {
5116         if (hdsp->port) {
5117                 /* stop the audio, and cancel all interrupts */
5118                 tasklet_kill(&hdsp->midi_tasklet);
5119                 hdsp->control_register &= ~(HDSP_Start|HDSP_AudioInterruptEnable|HDSP_Midi0InterruptEnable|HDSP_Midi1InterruptEnable);
5120                 hdsp_write (hdsp, HDSP_controlRegister, hdsp->control_register);
5121         }
5122
5123         if (hdsp->irq >= 0)
5124                 free_irq(hdsp->irq, (void *)hdsp);
5125
5126         snd_hdsp_free_buffers(hdsp);
5127         
5128         if (hdsp->iobase)
5129                 iounmap(hdsp->iobase);
5130
5131         if (hdsp->port)
5132                 pci_release_regions(hdsp->pci);
5133                 
5134         pci_disable_device(hdsp->pci);
5135         return 0;
5136 }
5137
5138 static void snd_hdsp_card_free(struct snd_card *card)
5139 {
5140         struct hdsp *hdsp = (struct hdsp *) card->private_data;
5141
5142         if (hdsp)
5143                 snd_hdsp_free(hdsp);
5144 }
5145
5146 static int __devinit snd_hdsp_probe(struct pci_dev *pci,
5147                                     const struct pci_device_id *pci_id)
5148 {
5149         static int dev;
5150         struct hdsp *hdsp;
5151         struct snd_card *card;
5152         int err;
5153
5154         if (dev >= SNDRV_CARDS)
5155                 return -ENODEV;
5156         if (!enable[dev]) {
5157                 dev++;
5158                 return -ENOENT;
5159         }
5160
5161         if (!(card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct hdsp))))
5162                 return -ENOMEM;
5163
5164         hdsp = (struct hdsp *) card->private_data;
5165         card->private_free = snd_hdsp_card_free;
5166         hdsp->dev = dev;
5167         hdsp->pci = pci;
5168         snd_card_set_dev(card, &pci->dev);
5169
5170         if ((err = snd_hdsp_create(card, hdsp)) < 0) {
5171                 snd_card_free(card);
5172                 return err;
5173         }
5174
5175         strcpy(card->shortname, "Hammerfall DSP");
5176         sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name, 
5177                 hdsp->port, hdsp->irq);
5178
5179         if ((err = snd_card_register(card)) < 0) {
5180                 snd_card_free(card);
5181                 return err;
5182         }
5183         pci_set_drvdata(pci, card);
5184         dev++;
5185         return 0;
5186 }
5187
5188 static void __devexit snd_hdsp_remove(struct pci_dev *pci)
5189 {
5190         snd_card_free(pci_get_drvdata(pci));
5191         pci_set_drvdata(pci, NULL);
5192 }
5193
5194 static struct pci_driver driver = {
5195         .name =     "RME Hammerfall DSP",
5196         .id_table = snd_hdsp_ids,
5197         .probe =    snd_hdsp_probe,
5198         .remove = __devexit_p(snd_hdsp_remove),
5199 };
5200
5201 static int __init alsa_card_hdsp_init(void)
5202 {
5203         return pci_register_driver(&driver);
5204 }
5205
5206 static void __exit alsa_card_hdsp_exit(void)
5207 {
5208         pci_unregister_driver(&driver);
5209 }
5210
5211 module_init(alsa_card_hdsp_init)
5212 module_exit(alsa_card_hdsp_exit)