xref: /openbmc/linux/sound/pci/rme9652/hdsp.c (revision b6bec26c)
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/pci.h>
28 #include <linux/firmware.h>
29 #include <linux/module.h>
30 #include <linux/math64.h>
31 #include <linux/vmalloc.h>
32 
33 #include <sound/core.h>
34 #include <sound/control.h>
35 #include <sound/pcm.h>
36 #include <sound/info.h>
37 #include <sound/asoundef.h>
38 #include <sound/rawmidi.h>
39 #include <sound/hwdep.h>
40 #include <sound/initval.h>
41 #include <sound/hdsp.h>
42 
43 #include <asm/byteorder.h>
44 #include <asm/current.h>
45 #include <asm/io.h>
46 
47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
49 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
50 
51 module_param_array(index, int, NULL, 0444);
52 MODULE_PARM_DESC(index, "Index value for RME Hammerfall DSP interface.");
53 module_param_array(id, charp, NULL, 0444);
54 MODULE_PARM_DESC(id, "ID string for RME Hammerfall DSP interface.");
55 module_param_array(enable, bool, NULL, 0444);
56 MODULE_PARM_DESC(enable, "Enable/disable specific Hammerfall DSP soundcards.");
57 MODULE_AUTHOR("Paul Davis <paul@linuxaudiosystems.com>, Marcus Andersson, Thomas Charbonnel <thomas@undata.org>");
58 MODULE_DESCRIPTION("RME Hammerfall DSP");
59 MODULE_LICENSE("GPL");
60 MODULE_SUPPORTED_DEVICE("{{RME Hammerfall-DSP},"
61 	        "{RME HDSP-9652},"
62 		"{RME HDSP-9632}}");
63 MODULE_FIRMWARE("rpm_firmware.bin");
64 MODULE_FIRMWARE("multiface_firmware.bin");
65 MODULE_FIRMWARE("multiface_firmware_rev11.bin");
66 MODULE_FIRMWARE("digiface_firmware.bin");
67 MODULE_FIRMWARE("digiface_firmware_rev11.bin");
68 
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 #define RPM_CHANNELS             6
85 
86 /* Write registers. These are defined as byte-offsets from the iobase value.
87  */
88 #define HDSP_resetPointer               0
89 #define HDSP_freqReg			0
90 #define HDSP_outputBufferAddress	32
91 #define HDSP_inputBufferAddress		36
92 #define HDSP_controlRegister		64
93 #define HDSP_interruptConfirmation	96
94 #define HDSP_outputEnable	  	128
95 #define HDSP_control2Reg		256
96 #define HDSP_midiDataOut0  		352
97 #define HDSP_midiDataOut1  		356
98 #define HDSP_fifoData  			368
99 #define HDSP_inputEnable	 	384
100 
101 /* Read registers. These are defined as byte-offsets from the iobase value
102  */
103 
104 #define HDSP_statusRegister    0
105 #define HDSP_timecode        128
106 #define HDSP_status2Register 192
107 #define HDSP_midiDataIn0     360
108 #define HDSP_midiDataIn1     364
109 #define HDSP_midiStatusOut0  384
110 #define HDSP_midiStatusOut1  388
111 #define HDSP_midiStatusIn0   392
112 #define HDSP_midiStatusIn1   396
113 #define HDSP_fifoStatus      400
114 
115 /* the meters are regular i/o-mapped registers, but offset
116    considerably from the rest. the peak registers are reset
117    when read; the least-significant 4 bits are full-scale counters;
118    the actual peak value is in the most-significant 24 bits.
119 */
120 
121 #define HDSP_playbackPeakLevel  4096  /* 26 * 32 bit values */
122 #define HDSP_inputPeakLevel     4224  /* 26 * 32 bit values */
123 #define HDSP_outputPeakLevel    4352  /* (26+2) * 32 bit values */
124 #define HDSP_playbackRmsLevel   4612  /* 26 * 64 bit values */
125 #define HDSP_inputRmsLevel      4868  /* 26 * 64 bit values */
126 
127 
128 /* This is for H9652 cards
129    Peak values are read downward from the base
130    Rms values are read upward
131    There are rms values for the outputs too
132    26*3 values are read in ss mode
133    14*3 in ds mode, with no gap between values
134 */
135 #define HDSP_9652_peakBase	7164
136 #define HDSP_9652_rmsBase	4096
137 
138 /* c.f. the hdsp_9632_meters_t struct */
139 #define HDSP_9632_metersBase	4096
140 
141 #define HDSP_IO_EXTENT     7168
142 
143 /* control2 register bits */
144 
145 #define HDSP_TMS                0x01
146 #define HDSP_TCK                0x02
147 #define HDSP_TDI                0x04
148 #define HDSP_JTAG               0x08
149 #define HDSP_PWDN               0x10
150 #define HDSP_PROGRAM	        0x020
151 #define HDSP_CONFIG_MODE_0	0x040
152 #define HDSP_CONFIG_MODE_1	0x080
153 #define HDSP_VERSION_BIT	(0x100 | HDSP_S_LOAD)
154 #define HDSP_BIGENDIAN_MODE     0x200
155 #define HDSP_RD_MULTIPLE        0x400
156 #define HDSP_9652_ENABLE_MIXER  0x800
157 #define HDSP_TDO                0x10000000
158 
159 #define HDSP_S_PROGRAM     	(HDSP_PROGRAM|HDSP_CONFIG_MODE_0)
160 #define HDSP_S_LOAD		(HDSP_PROGRAM|HDSP_CONFIG_MODE_1)
161 
162 /* Control Register bits */
163 
164 #define HDSP_Start                (1<<0)  /* start engine */
165 #define HDSP_Latency0             (1<<1)  /* buffer size = 2^n where n is defined by Latency{2,1,0} */
166 #define HDSP_Latency1             (1<<2)  /* [ see above ] */
167 #define HDSP_Latency2             (1<<3)  /* [ see above ] */
168 #define HDSP_ClockModeMaster      (1<<4)  /* 1=Master, 0=Slave/Autosync */
169 #define HDSP_AudioInterruptEnable (1<<5)  /* what do you think ? */
170 #define HDSP_Frequency0           (1<<6)  /* 0=44.1kHz/88.2kHz/176.4kHz 1=48kHz/96kHz/192kHz */
171 #define HDSP_Frequency1           (1<<7)  /* 0=32kHz/64kHz/128kHz */
172 #define HDSP_DoubleSpeed          (1<<8)  /* 0=normal speed, 1=double speed */
173 #define HDSP_SPDIFProfessional    (1<<9)  /* 0=consumer, 1=professional */
174 #define HDSP_SPDIFEmphasis        (1<<10) /* 0=none, 1=on */
175 #define HDSP_SPDIFNonAudio        (1<<11) /* 0=off, 1=on */
176 #define HDSP_SPDIFOpticalOut      (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */
177 #define HDSP_SyncRef2             (1<<13)
178 #define HDSP_SPDIFInputSelect0    (1<<14)
179 #define HDSP_SPDIFInputSelect1    (1<<15)
180 #define HDSP_SyncRef0             (1<<16)
181 #define HDSP_SyncRef1             (1<<17)
182 #define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */
183 #define HDSP_XLRBreakoutCable     (1<<20) /* For H9632 cards */
184 #define HDSP_Midi0InterruptEnable (1<<22)
185 #define HDSP_Midi1InterruptEnable (1<<23)
186 #define HDSP_LineOut              (1<<24)
187 #define HDSP_ADGain0		  (1<<25) /* From here : H9632 specific */
188 #define HDSP_ADGain1		  (1<<26)
189 #define HDSP_DAGain0		  (1<<27)
190 #define HDSP_DAGain1		  (1<<28)
191 #define HDSP_PhoneGain0		  (1<<29)
192 #define HDSP_PhoneGain1		  (1<<30)
193 #define HDSP_QuadSpeed	  	  (1<<31)
194 
195 /* RPM uses some of the registers for special purposes */
196 #define HDSP_RPM_Inp12            0x04A00
197 #define HDSP_RPM_Inp12_Phon_6dB   0x00800  /* Dolby */
198 #define HDSP_RPM_Inp12_Phon_0dB   0x00000  /* .. */
199 #define HDSP_RPM_Inp12_Phon_n6dB  0x04000  /* inp_0 */
200 #define HDSP_RPM_Inp12_Line_0dB   0x04200  /* Dolby+PRO */
201 #define HDSP_RPM_Inp12_Line_n6dB  0x00200  /* PRO */
202 
203 #define HDSP_RPM_Inp34            0x32000
204 #define HDSP_RPM_Inp34_Phon_6dB   0x20000  /* SyncRef1 */
205 #define HDSP_RPM_Inp34_Phon_0dB   0x00000  /* .. */
206 #define HDSP_RPM_Inp34_Phon_n6dB  0x02000  /* SyncRef2 */
207 #define HDSP_RPM_Inp34_Line_0dB   0x30000  /* SyncRef1+SyncRef0 */
208 #define HDSP_RPM_Inp34_Line_n6dB  0x10000  /* SyncRef0 */
209 
210 #define HDSP_RPM_Bypass           0x01000
211 
212 #define HDSP_RPM_Disconnect       0x00001
213 
214 #define HDSP_ADGainMask       (HDSP_ADGain0|HDSP_ADGain1)
215 #define HDSP_ADGainMinus10dBV  HDSP_ADGainMask
216 #define HDSP_ADGainPlus4dBu   (HDSP_ADGain0)
217 #define HDSP_ADGainLowGain     0
218 
219 #define HDSP_DAGainMask         (HDSP_DAGain0|HDSP_DAGain1)
220 #define HDSP_DAGainHighGain      HDSP_DAGainMask
221 #define HDSP_DAGainPlus4dBu     (HDSP_DAGain0)
222 #define HDSP_DAGainMinus10dBV    0
223 
224 #define HDSP_PhoneGainMask      (HDSP_PhoneGain0|HDSP_PhoneGain1)
225 #define HDSP_PhoneGain0dB        HDSP_PhoneGainMask
226 #define HDSP_PhoneGainMinus6dB  (HDSP_PhoneGain0)
227 #define HDSP_PhoneGainMinus12dB  0
228 
229 #define HDSP_LatencyMask    (HDSP_Latency0|HDSP_Latency1|HDSP_Latency2)
230 #define HDSP_FrequencyMask  (HDSP_Frequency0|HDSP_Frequency1|HDSP_DoubleSpeed|HDSP_QuadSpeed)
231 
232 #define HDSP_SPDIFInputMask    (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
233 #define HDSP_SPDIFInputADAT1    0
234 #define HDSP_SPDIFInputCoaxial (HDSP_SPDIFInputSelect0)
235 #define HDSP_SPDIFInputCdrom   (HDSP_SPDIFInputSelect1)
236 #define HDSP_SPDIFInputAES     (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
237 
238 #define HDSP_SyncRefMask        (HDSP_SyncRef0|HDSP_SyncRef1|HDSP_SyncRef2)
239 #define HDSP_SyncRef_ADAT1       0
240 #define HDSP_SyncRef_ADAT2      (HDSP_SyncRef0)
241 #define HDSP_SyncRef_ADAT3      (HDSP_SyncRef1)
242 #define HDSP_SyncRef_SPDIF      (HDSP_SyncRef0|HDSP_SyncRef1)
243 #define HDSP_SyncRef_WORD       (HDSP_SyncRef2)
244 #define HDSP_SyncRef_ADAT_SYNC  (HDSP_SyncRef0|HDSP_SyncRef2)
245 
246 /* Sample Clock Sources */
247 
248 #define HDSP_CLOCK_SOURCE_AUTOSYNC           0
249 #define HDSP_CLOCK_SOURCE_INTERNAL_32KHZ     1
250 #define HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ   2
251 #define HDSP_CLOCK_SOURCE_INTERNAL_48KHZ     3
252 #define HDSP_CLOCK_SOURCE_INTERNAL_64KHZ     4
253 #define HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ   5
254 #define HDSP_CLOCK_SOURCE_INTERNAL_96KHZ     6
255 #define HDSP_CLOCK_SOURCE_INTERNAL_128KHZ    7
256 #define HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ  8
257 #define HDSP_CLOCK_SOURCE_INTERNAL_192KHZ    9
258 
259 /* Preferred sync reference choices - used by "pref_sync_ref" control switch */
260 
261 #define HDSP_SYNC_FROM_WORD      0
262 #define HDSP_SYNC_FROM_SPDIF     1
263 #define HDSP_SYNC_FROM_ADAT1     2
264 #define HDSP_SYNC_FROM_ADAT_SYNC 3
265 #define HDSP_SYNC_FROM_ADAT2     4
266 #define HDSP_SYNC_FROM_ADAT3     5
267 
268 /* SyncCheck status */
269 
270 #define HDSP_SYNC_CHECK_NO_LOCK 0
271 #define HDSP_SYNC_CHECK_LOCK    1
272 #define HDSP_SYNC_CHECK_SYNC	2
273 
274 /* AutoSync references - used by "autosync_ref" control switch */
275 
276 #define HDSP_AUTOSYNC_FROM_WORD      0
277 #define HDSP_AUTOSYNC_FROM_ADAT_SYNC 1
278 #define HDSP_AUTOSYNC_FROM_SPDIF     2
279 #define HDSP_AUTOSYNC_FROM_NONE	     3
280 #define HDSP_AUTOSYNC_FROM_ADAT1     4
281 #define HDSP_AUTOSYNC_FROM_ADAT2     5
282 #define HDSP_AUTOSYNC_FROM_ADAT3     6
283 
284 /* Possible sources of S/PDIF input */
285 
286 #define HDSP_SPDIFIN_OPTICAL  0	/* optical  (ADAT1) */
287 #define HDSP_SPDIFIN_COAXIAL  1	/* coaxial (RCA) */
288 #define HDSP_SPDIFIN_INTERNAL 2	/* internal (CDROM) */
289 #define HDSP_SPDIFIN_AES      3 /* xlr for H9632 (AES)*/
290 
291 #define HDSP_Frequency32KHz    HDSP_Frequency0
292 #define HDSP_Frequency44_1KHz  HDSP_Frequency1
293 #define HDSP_Frequency48KHz    (HDSP_Frequency1|HDSP_Frequency0)
294 #define HDSP_Frequency64KHz    (HDSP_DoubleSpeed|HDSP_Frequency0)
295 #define HDSP_Frequency88_2KHz  (HDSP_DoubleSpeed|HDSP_Frequency1)
296 #define HDSP_Frequency96KHz    (HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
297 /* For H9632 cards */
298 #define HDSP_Frequency128KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency0)
299 #define HDSP_Frequency176_4KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1)
300 #define HDSP_Frequency192KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
301 /* RME says n = 104857600000000, but in the windows MADI driver, I see:
302 	return 104857600000000 / rate; // 100 MHz
303 	return 110100480000000 / rate; // 105 MHz
304 */
305 #define DDS_NUMERATOR 104857600000000ULL;  /*  =  2^20 * 10^8 */
306 
307 #define hdsp_encode_latency(x)       (((x)<<1) & HDSP_LatencyMask)
308 #define hdsp_decode_latency(x)       (((x) & HDSP_LatencyMask)>>1)
309 
310 #define hdsp_encode_spdif_in(x) (((x)&0x3)<<14)
311 #define hdsp_decode_spdif_in(x) (((x)>>14)&0x3)
312 
313 /* Status Register bits */
314 
315 #define HDSP_audioIRQPending    (1<<0)
316 #define HDSP_Lock2              (1<<1)     /* this is for Digiface and H9652 */
317 #define HDSP_spdifFrequency3	HDSP_Lock2 /* this is for H9632 only */
318 #define HDSP_Lock1              (1<<2)
319 #define HDSP_Lock0              (1<<3)
320 #define HDSP_SPDIFSync          (1<<4)
321 #define HDSP_TimecodeLock       (1<<5)
322 #define HDSP_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
323 #define HDSP_Sync2              (1<<16)
324 #define HDSP_Sync1              (1<<17)
325 #define HDSP_Sync0              (1<<18)
326 #define HDSP_DoubleSpeedStatus  (1<<19)
327 #define HDSP_ConfigError        (1<<20)
328 #define HDSP_DllError           (1<<21)
329 #define HDSP_spdifFrequency0    (1<<22)
330 #define HDSP_spdifFrequency1    (1<<23)
331 #define HDSP_spdifFrequency2    (1<<24)
332 #define HDSP_SPDIFErrorFlag     (1<<25)
333 #define HDSP_BufferID           (1<<26)
334 #define HDSP_TimecodeSync       (1<<27)
335 #define HDSP_AEBO          	(1<<28) /* H9632 specific Analog Extension Boards */
336 #define HDSP_AEBI		(1<<29) /* 0 = present, 1 = absent */
337 #define HDSP_midi0IRQPending    (1<<30)
338 #define HDSP_midi1IRQPending    (1<<31)
339 
340 #define HDSP_spdifFrequencyMask    (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
341 #define HDSP_spdifFrequencyMask_9632 (HDSP_spdifFrequency0|\
342 				      HDSP_spdifFrequency1|\
343 				      HDSP_spdifFrequency2|\
344 				      HDSP_spdifFrequency3)
345 
346 #define HDSP_spdifFrequency32KHz   (HDSP_spdifFrequency0)
347 #define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1)
348 #define HDSP_spdifFrequency48KHz   (HDSP_spdifFrequency0|HDSP_spdifFrequency1)
349 
350 #define HDSP_spdifFrequency64KHz   (HDSP_spdifFrequency2)
351 #define HDSP_spdifFrequency88_2KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency2)
352 #define HDSP_spdifFrequency96KHz   (HDSP_spdifFrequency2|HDSP_spdifFrequency1)
353 
354 /* This is for H9632 cards */
355 #define HDSP_spdifFrequency128KHz   (HDSP_spdifFrequency0|\
356 				     HDSP_spdifFrequency1|\
357 				     HDSP_spdifFrequency2)
358 #define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3
359 #define HDSP_spdifFrequency192KHz   (HDSP_spdifFrequency3|HDSP_spdifFrequency0)
360 
361 /* Status2 Register bits */
362 
363 #define HDSP_version0     (1<<0)
364 #define HDSP_version1     (1<<1)
365 #define HDSP_version2     (1<<2)
366 #define HDSP_wc_lock      (1<<3)
367 #define HDSP_wc_sync      (1<<4)
368 #define HDSP_inp_freq0    (1<<5)
369 #define HDSP_inp_freq1    (1<<6)
370 #define HDSP_inp_freq2    (1<<7)
371 #define HDSP_SelSyncRef0  (1<<8)
372 #define HDSP_SelSyncRef1  (1<<9)
373 #define HDSP_SelSyncRef2  (1<<10)
374 
375 #define HDSP_wc_valid (HDSP_wc_lock|HDSP_wc_sync)
376 
377 #define HDSP_systemFrequencyMask (HDSP_inp_freq0|HDSP_inp_freq1|HDSP_inp_freq2)
378 #define HDSP_systemFrequency32   (HDSP_inp_freq0)
379 #define HDSP_systemFrequency44_1 (HDSP_inp_freq1)
380 #define HDSP_systemFrequency48   (HDSP_inp_freq0|HDSP_inp_freq1)
381 #define HDSP_systemFrequency64   (HDSP_inp_freq2)
382 #define HDSP_systemFrequency88_2 (HDSP_inp_freq0|HDSP_inp_freq2)
383 #define HDSP_systemFrequency96   (HDSP_inp_freq1|HDSP_inp_freq2)
384 /* FIXME : more values for 9632 cards ? */
385 
386 #define HDSP_SelSyncRefMask        (HDSP_SelSyncRef0|HDSP_SelSyncRef1|HDSP_SelSyncRef2)
387 #define HDSP_SelSyncRef_ADAT1      0
388 #define HDSP_SelSyncRef_ADAT2      (HDSP_SelSyncRef0)
389 #define HDSP_SelSyncRef_ADAT3      (HDSP_SelSyncRef1)
390 #define HDSP_SelSyncRef_SPDIF      (HDSP_SelSyncRef0|HDSP_SelSyncRef1)
391 #define HDSP_SelSyncRef_WORD       (HDSP_SelSyncRef2)
392 #define HDSP_SelSyncRef_ADAT_SYNC  (HDSP_SelSyncRef0|HDSP_SelSyncRef2)
393 
394 /* Card state flags */
395 
396 #define HDSP_InitializationComplete  (1<<0)
397 #define HDSP_FirmwareLoaded	     (1<<1)
398 #define HDSP_FirmwareCached	     (1<<2)
399 
400 /* FIFO wait times, defined in terms of 1/10ths of msecs */
401 
402 #define HDSP_LONG_WAIT	 5000
403 #define HDSP_SHORT_WAIT  30
404 
405 #define UNITY_GAIN                       32768
406 #define MINUS_INFINITY_GAIN              0
407 
408 /* the size of a substream (1 mono data stream) */
409 
410 #define HDSP_CHANNEL_BUFFER_SAMPLES  (16*1024)
411 #define HDSP_CHANNEL_BUFFER_BYTES    (4*HDSP_CHANNEL_BUFFER_SAMPLES)
412 
413 /* the size of the area we need to allocate for DMA transfers. the
414    size is the same regardless of the number of channels - the
415    Multiface still uses the same memory area.
416 
417    Note that we allocate 1 more channel than is apparently needed
418    because the h/w seems to write 1 byte beyond the end of the last
419    page. Sigh.
420 */
421 
422 #define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES)
423 #define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024)
424 
425 #define HDSP_FIRMWARE_SIZE	(24413 * 4)
426 
427 struct hdsp_9632_meters {
428     u32 input_peak[16];
429     u32 playback_peak[16];
430     u32 output_peak[16];
431     u32 xxx_peak[16];
432     u32 padding[64];
433     u32 input_rms_low[16];
434     u32 playback_rms_low[16];
435     u32 output_rms_low[16];
436     u32 xxx_rms_low[16];
437     u32 input_rms_high[16];
438     u32 playback_rms_high[16];
439     u32 output_rms_high[16];
440     u32 xxx_rms_high[16];
441 };
442 
443 struct hdsp_midi {
444     struct hdsp             *hdsp;
445     int                      id;
446     struct snd_rawmidi           *rmidi;
447     struct snd_rawmidi_substream *input;
448     struct snd_rawmidi_substream *output;
449     char                     istimer; /* timer in use */
450     struct timer_list	     timer;
451     spinlock_t               lock;
452     int			     pending;
453 };
454 
455 struct hdsp {
456 	spinlock_t            lock;
457 	struct snd_pcm_substream *capture_substream;
458 	struct snd_pcm_substream *playback_substream;
459         struct hdsp_midi      midi[2];
460 	struct tasklet_struct midi_tasklet;
461 	int		      use_midi_tasklet;
462 	int                   precise_ptr;
463 	u32                   control_register;	     /* cached value */
464 	u32                   control2_register;     /* cached value */
465 	u32                   creg_spdif;
466 	u32                   creg_spdif_stream;
467 	int                   clock_source_locked;
468 	char                 *card_name;	 /* digiface/multiface/rpm */
469 	enum HDSP_IO_Type     io_type;               /* ditto, but for code use */
470         unsigned short        firmware_rev;
471 	unsigned short	      state;		     /* stores state bits */
472 	const struct firmware *firmware;
473 	u32                  *fw_uploaded;
474 	size_t                period_bytes; 	     /* guess what this is */
475 	unsigned char	      max_channels;
476 	unsigned char	      qs_in_channels;	     /* quad speed mode for H9632 */
477 	unsigned char         ds_in_channels;
478 	unsigned char         ss_in_channels;	    /* different for multiface/digiface */
479 	unsigned char	      qs_out_channels;
480 	unsigned char         ds_out_channels;
481 	unsigned char         ss_out_channels;
482 
483 	struct snd_dma_buffer capture_dma_buf;
484 	struct snd_dma_buffer playback_dma_buf;
485 	unsigned char        *capture_buffer;	    /* suitably aligned address */
486 	unsigned char        *playback_buffer;	    /* suitably aligned address */
487 
488 	pid_t                 capture_pid;
489 	pid_t                 playback_pid;
490 	int                   running;
491 	int                   system_sample_rate;
492 	char                 *channel_map;
493 	int                   dev;
494 	int                   irq;
495 	unsigned long         port;
496         void __iomem         *iobase;
497 	struct snd_card *card;
498 	struct snd_pcm *pcm;
499 	struct snd_hwdep          *hwdep;
500 	struct pci_dev       *pci;
501 	struct snd_kcontrol *spdif_ctl;
502         unsigned short        mixer_matrix[HDSP_MATRIX_MIXER_SIZE];
503 	unsigned int          dds_value; /* last value written to freq register */
504 };
505 
506 /* These tables map the ALSA channels 1..N to the channels that we
507    need to use in order to find the relevant channel buffer. RME
508    refer to this kind of mapping as between "the ADAT channel and
509    the DMA channel." We index it using the logical audio channel,
510    and the value is the DMA channel (i.e. channel buffer number)
511    where the data for that channel can be read/written from/to.
512 */
513 
514 static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
515 	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
516 	18, 19, 20, 21, 22, 23, 24, 25
517 };
518 
519 static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
520 	/* Analog */
521 	0, 1, 2, 3, 4, 5, 6, 7,
522 	/* ADAT 2 */
523 	16, 17, 18, 19, 20, 21, 22, 23,
524 	/* SPDIF */
525 	24, 25,
526 	-1, -1, -1, -1, -1, -1, -1, -1
527 };
528 
529 static char channel_map_ds[HDSP_MAX_CHANNELS] = {
530 	/* ADAT channels are remapped */
531 	1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
532 	/* channels 12 and 13 are S/PDIF */
533 	24, 25,
534 	/* others don't exist */
535 	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
536 };
537 
538 static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
539 	/* ADAT channels */
540 	0, 1, 2, 3, 4, 5, 6, 7,
541 	/* SPDIF */
542 	8, 9,
543 	/* Analog */
544 	10, 11,
545 	/* AO4S-192 and AI4S-192 extension boards */
546 	12, 13, 14, 15,
547 	/* others don't exist */
548 	-1, -1, -1, -1, -1, -1, -1, -1,
549 	-1, -1
550 };
551 
552 static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
553 	/* ADAT */
554 	1, 3, 5, 7,
555 	/* SPDIF */
556 	8, 9,
557 	/* Analog */
558 	10, 11,
559 	/* AO4S-192 and AI4S-192 extension boards */
560 	12, 13, 14, 15,
561 	/* others don't exist */
562 	-1, -1, -1, -1, -1, -1, -1, -1,
563 	-1, -1, -1, -1, -1, -1
564 };
565 
566 static char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
567 	/* ADAT is disabled in this mode */
568 	/* SPDIF */
569 	8, 9,
570 	/* Analog */
571 	10, 11,
572 	/* AO4S-192 and AI4S-192 extension boards */
573 	12, 13, 14, 15,
574 	/* others don't exist */
575 	-1, -1, -1, -1, -1, -1, -1, -1,
576 	-1, -1, -1, -1, -1, -1, -1, -1,
577 	-1, -1
578 };
579 
580 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
581 {
582 	dmab->dev.type = SNDRV_DMA_TYPE_DEV;
583 	dmab->dev.dev = snd_dma_pci_data(pci);
584 	if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
585 		if (dmab->bytes >= size)
586 			return 0;
587 	}
588 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
589 				size, dmab) < 0)
590 		return -ENOMEM;
591 	return 0;
592 }
593 
594 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
595 {
596 	if (dmab->area) {
597 		dmab->dev.dev = NULL; /* make it anonymous */
598 		snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
599 	}
600 }
601 
602 
603 static DEFINE_PCI_DEVICE_TABLE(snd_hdsp_ids) = {
604 	{
605 		.vendor = PCI_VENDOR_ID_XILINX,
606 		.device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP,
607 		.subvendor = PCI_ANY_ID,
608 		.subdevice = PCI_ANY_ID,
609 	}, /* RME Hammerfall-DSP */
610 	{ 0, },
611 };
612 
613 MODULE_DEVICE_TABLE(pci, snd_hdsp_ids);
614 
615 /* prototypes */
616 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp);
617 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp);
618 static int snd_hdsp_enable_io (struct hdsp *hdsp);
619 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp);
620 static void snd_hdsp_initialize_channels (struct hdsp *hdsp);
621 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout);
622 static int hdsp_autosync_ref(struct hdsp *hdsp);
623 static int snd_hdsp_set_defaults(struct hdsp *hdsp);
624 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp);
625 
626 static int hdsp_playback_to_output_key (struct hdsp *hdsp, int in, int out)
627 {
628 	switch (hdsp->io_type) {
629 	case Multiface:
630 	case Digiface:
631 	case RPM:
632 	default:
633 		if (hdsp->firmware_rev == 0xa)
634 			return (64 * out) + (32 + (in));
635 		else
636 			return (52 * out) + (26 + (in));
637 	case H9632:
638 		return (32 * out) + (16 + (in));
639 	case H9652:
640 		return (52 * out) + (26 + (in));
641 	}
642 }
643 
644 static int hdsp_input_to_output_key (struct hdsp *hdsp, int in, int out)
645 {
646 	switch (hdsp->io_type) {
647 	case Multiface:
648 	case Digiface:
649 	case RPM:
650 	default:
651 		if (hdsp->firmware_rev == 0xa)
652 			return (64 * out) + in;
653 		else
654 			return (52 * out) + in;
655 	case H9632:
656 		return (32 * out) + in;
657 	case H9652:
658 		return (52 * out) + in;
659 	}
660 }
661 
662 static void hdsp_write(struct hdsp *hdsp, int reg, int val)
663 {
664 	writel(val, hdsp->iobase + reg);
665 }
666 
667 static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
668 {
669 	return readl (hdsp->iobase + reg);
670 }
671 
672 static int hdsp_check_for_iobox (struct hdsp *hdsp)
673 {
674 	if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0;
675 	if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_ConfigError) {
676 		snd_printk("Hammerfall-DSP: no IO box connected!\n");
677 		hdsp->state &= ~HDSP_FirmwareLoaded;
678 		return -EIO;
679 	}
680 	return 0;
681 }
682 
683 static int hdsp_wait_for_iobox(struct hdsp *hdsp, unsigned int loops,
684 			       unsigned int delay)
685 {
686 	unsigned int i;
687 
688 	if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
689 		return 0;
690 
691 	for (i = 0; i != loops; ++i) {
692 		if (hdsp_read(hdsp, HDSP_statusRegister) & HDSP_ConfigError)
693 			msleep(delay);
694 		else {
695 			snd_printd("Hammerfall-DSP: iobox found after %ums!\n",
696 				   i * delay);
697 			return 0;
698 		}
699 	}
700 
701 	snd_printk("Hammerfall-DSP: no IO box connected!\n");
702 	hdsp->state &= ~HDSP_FirmwareLoaded;
703 	return -EIO;
704 }
705 
706 static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
707 
708 	int i;
709 	unsigned long flags;
710 	const u32 *cache;
711 
712 	if (hdsp->fw_uploaded)
713 		cache = hdsp->fw_uploaded;
714 	else {
715 		if (!hdsp->firmware)
716 			return -ENODEV;
717 		cache = (u32 *)hdsp->firmware->data;
718 		if (!cache)
719 			return -ENODEV;
720 	}
721 
722 	if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
723 
724 		snd_printk ("Hammerfall-DSP: loading firmware\n");
725 
726 		hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM);
727 		hdsp_write (hdsp, HDSP_fifoData, 0);
728 
729 		if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
730 			snd_printk ("Hammerfall-DSP: timeout waiting for download preparation\n");
731 			return -EIO;
732 		}
733 
734 		hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
735 
736 		for (i = 0; i < HDSP_FIRMWARE_SIZE / 4; ++i) {
737 			hdsp_write(hdsp, HDSP_fifoData, cache[i]);
738 			if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
739 				snd_printk ("Hammerfall-DSP: timeout during firmware loading\n");
740 				return -EIO;
741 			}
742 		}
743 
744 		ssleep(3);
745 
746 		if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
747 			snd_printk ("Hammerfall-DSP: timeout at end of firmware loading\n");
748 		    	return -EIO;
749 		}
750 
751 #ifdef SNDRV_BIG_ENDIAN
752 		hdsp->control2_register = HDSP_BIGENDIAN_MODE;
753 #else
754 		hdsp->control2_register = 0;
755 #endif
756 		hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
757 		snd_printk ("Hammerfall-DSP: finished firmware loading\n");
758 
759 	}
760 	if (hdsp->state & HDSP_InitializationComplete) {
761 		snd_printk(KERN_INFO "Hammerfall-DSP: firmware loaded from cache, restoring defaults\n");
762 		spin_lock_irqsave(&hdsp->lock, flags);
763 		snd_hdsp_set_defaults(hdsp);
764 		spin_unlock_irqrestore(&hdsp->lock, flags);
765 	}
766 
767 	hdsp->state |= HDSP_FirmwareLoaded;
768 
769 	return 0;
770 }
771 
772 static int hdsp_get_iobox_version (struct hdsp *hdsp)
773 {
774 	if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
775 
776 		hdsp_write (hdsp, HDSP_control2Reg, HDSP_PROGRAM);
777 		hdsp_write (hdsp, HDSP_fifoData, 0);
778 		if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT) < 0)
779 			return -EIO;
780 
781 		hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
782 		hdsp_write (hdsp, HDSP_fifoData, 0);
783 
784 		if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT)) {
785 			hdsp_write(hdsp, HDSP_control2Reg, HDSP_VERSION_BIT);
786 			hdsp_write(hdsp, HDSP_control2Reg, HDSP_S_LOAD);
787 			if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT))
788 				hdsp->io_type = RPM;
789 			else
790 				hdsp->io_type = Multiface;
791 		} else {
792 			hdsp->io_type = Digiface;
793 		}
794 	} else {
795 		/* firmware was already loaded, get iobox type */
796 		if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version2)
797 			hdsp->io_type = RPM;
798 		else if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
799 			hdsp->io_type = Multiface;
800 		else
801 			hdsp->io_type = Digiface;
802 	}
803 	return 0;
804 }
805 
806 
807 static int hdsp_request_fw_loader(struct hdsp *hdsp);
808 
809 static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
810 {
811 	if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
812 		return 0;
813 	if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
814 		hdsp->state &= ~HDSP_FirmwareLoaded;
815 		if (! load_on_demand)
816 			return -EIO;
817 		snd_printk(KERN_ERR "Hammerfall-DSP: firmware not present.\n");
818 		/* try to load firmware */
819 		if (! (hdsp->state & HDSP_FirmwareCached)) {
820 			if (! hdsp_request_fw_loader(hdsp))
821 				return 0;
822 			snd_printk(KERN_ERR
823 				   "Hammerfall-DSP: No firmware loaded nor "
824 				   "cached, please upload firmware.\n");
825 			return -EIO;
826 		}
827 		if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
828 			snd_printk(KERN_ERR
829 				   "Hammerfall-DSP: Firmware loading from "
830 				   "cache failed, please upload manually.\n");
831 			return -EIO;
832 		}
833 	}
834 	return 0;
835 }
836 
837 
838 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout)
839 {
840 	int i;
841 
842 	/* the fifoStatus registers reports on how many words
843 	   are available in the command FIFO.
844 	*/
845 
846 	for (i = 0; i < timeout; i++) {
847 
848 		if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count)
849 			return 0;
850 
851 		/* not very friendly, but we only do this during a firmware
852 		   load and changing the mixer, so we just put up with it.
853 		*/
854 
855 		udelay (100);
856 	}
857 
858 	snd_printk ("Hammerfall-DSP: wait for FIFO status <= %d failed after %d iterations\n",
859 		    count, timeout);
860 	return -1;
861 }
862 
863 static int hdsp_read_gain (struct hdsp *hdsp, unsigned int addr)
864 {
865 	if (addr >= HDSP_MATRIX_MIXER_SIZE)
866 		return 0;
867 
868 	return hdsp->mixer_matrix[addr];
869 }
870 
871 static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short data)
872 {
873 	unsigned int ad;
874 
875 	if (addr >= HDSP_MATRIX_MIXER_SIZE)
876 		return -1;
877 
878 	if (hdsp->io_type == H9652 || hdsp->io_type == H9632) {
879 
880 		/* from martin bjornsen:
881 
882 		   "You can only write dwords to the
883 		   mixer memory which contain two
884 		   mixer values in the low and high
885 		   word. So if you want to change
886 		   value 0 you have to read value 1
887 		   from the cache and write both to
888 		   the first dword in the mixer
889 		   memory."
890 		*/
891 
892 		if (hdsp->io_type == H9632 && addr >= 512)
893 			return 0;
894 
895 		if (hdsp->io_type == H9652 && addr >= 1352)
896 			return 0;
897 
898 		hdsp->mixer_matrix[addr] = data;
899 
900 
901 		/* `addr' addresses a 16-bit wide address, but
902 		   the address space accessed via hdsp_write
903 		   uses byte offsets. put another way, addr
904 		   varies from 0 to 1351, but to access the
905 		   corresponding memory location, we need
906 		   to access 0 to 2703 ...
907 		*/
908 		ad = addr/2;
909 
910 		hdsp_write (hdsp, 4096 + (ad*4),
911 			    (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) +
912 			    hdsp->mixer_matrix[addr&0x7fe]);
913 
914 		return 0;
915 
916 	} else {
917 
918 		ad = (addr << 16) + data;
919 
920 		if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT))
921 			return -1;
922 
923 		hdsp_write (hdsp, HDSP_fifoData, ad);
924 		hdsp->mixer_matrix[addr] = data;
925 
926 	}
927 
928 	return 0;
929 }
930 
931 static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp)
932 {
933 	unsigned long flags;
934 	int ret = 1;
935 
936 	spin_lock_irqsave(&hdsp->lock, flags);
937 	if ((hdsp->playback_pid != hdsp->capture_pid) &&
938 	    (hdsp->playback_pid >= 0) && (hdsp->capture_pid >= 0))
939 		ret = 0;
940 	spin_unlock_irqrestore(&hdsp->lock, flags);
941 	return ret;
942 }
943 
944 static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
945 {
946 	unsigned int status = hdsp_read(hdsp, HDSP_statusRegister);
947 	unsigned int rate_bits = (status & HDSP_spdifFrequencyMask);
948 
949 	/* For the 9632, the mask is different */
950 	if (hdsp->io_type == H9632)
951 		 rate_bits = (status & HDSP_spdifFrequencyMask_9632);
952 
953 	if (status & HDSP_SPDIFErrorFlag)
954 		return 0;
955 
956 	switch (rate_bits) {
957 	case HDSP_spdifFrequency32KHz: return 32000;
958 	case HDSP_spdifFrequency44_1KHz: return 44100;
959 	case HDSP_spdifFrequency48KHz: return 48000;
960 	case HDSP_spdifFrequency64KHz: return 64000;
961 	case HDSP_spdifFrequency88_2KHz: return 88200;
962 	case HDSP_spdifFrequency96KHz: return 96000;
963 	case HDSP_spdifFrequency128KHz:
964 		if (hdsp->io_type == H9632) return 128000;
965 		break;
966 	case HDSP_spdifFrequency176_4KHz:
967 		if (hdsp->io_type == H9632) return 176400;
968 		break;
969 	case HDSP_spdifFrequency192KHz:
970 		if (hdsp->io_type == H9632) return 192000;
971 		break;
972 	default:
973 		break;
974 	}
975 	snd_printk ("Hammerfall-DSP: unknown spdif frequency status; bits = 0x%x, status = 0x%x\n", rate_bits, status);
976 	return 0;
977 }
978 
979 static int hdsp_external_sample_rate(struct hdsp *hdsp)
980 {
981 	unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
982 	unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;
983 
984 	/* For the 9632 card, there seems to be no bit for indicating external
985 	 * sample rate greater than 96kHz. The card reports the corresponding
986 	 * single speed. So the best means seems to get spdif rate when
987 	 * autosync reference is spdif */
988 	if (hdsp->io_type == H9632 &&
989 	    hdsp_autosync_ref(hdsp) == HDSP_AUTOSYNC_FROM_SPDIF)
990 		 return hdsp_spdif_sample_rate(hdsp);
991 
992 	switch (rate_bits) {
993 	case HDSP_systemFrequency32:   return 32000;
994 	case HDSP_systemFrequency44_1: return 44100;
995 	case HDSP_systemFrequency48:   return 48000;
996 	case HDSP_systemFrequency64:   return 64000;
997 	case HDSP_systemFrequency88_2: return 88200;
998 	case HDSP_systemFrequency96:   return 96000;
999 	default:
1000 		return 0;
1001 	}
1002 }
1003 
1004 static void hdsp_compute_period_size(struct hdsp *hdsp)
1005 {
1006 	hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8));
1007 }
1008 
1009 static snd_pcm_uframes_t hdsp_hw_pointer(struct hdsp *hdsp)
1010 {
1011 	int position;
1012 
1013 	position = hdsp_read(hdsp, HDSP_statusRegister);
1014 
1015 	if (!hdsp->precise_ptr)
1016 		return (position & HDSP_BufferID) ? (hdsp->period_bytes / 4) : 0;
1017 
1018 	position &= HDSP_BufferPositionMask;
1019 	position /= 4;
1020 	position &= (hdsp->period_bytes/2) - 1;
1021 	return position;
1022 }
1023 
1024 static void hdsp_reset_hw_pointer(struct hdsp *hdsp)
1025 {
1026 	hdsp_write (hdsp, HDSP_resetPointer, 0);
1027 	if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
1028 		/* HDSP_resetPointer = HDSP_freqReg, which is strange and
1029 		 * requires (?) to write again DDS value after a reset pointer
1030 		 * (at least, it works like this) */
1031 		hdsp_write (hdsp, HDSP_freqReg, hdsp->dds_value);
1032 }
1033 
1034 static void hdsp_start_audio(struct hdsp *s)
1035 {
1036 	s->control_register |= (HDSP_AudioInterruptEnable | HDSP_Start);
1037 	hdsp_write(s, HDSP_controlRegister, s->control_register);
1038 }
1039 
1040 static void hdsp_stop_audio(struct hdsp *s)
1041 {
1042 	s->control_register &= ~(HDSP_Start | HDSP_AudioInterruptEnable);
1043 	hdsp_write(s, HDSP_controlRegister, s->control_register);
1044 }
1045 
1046 static void hdsp_silence_playback(struct hdsp *hdsp)
1047 {
1048 	memset(hdsp->playback_buffer, 0, HDSP_DMA_AREA_BYTES);
1049 }
1050 
1051 static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames)
1052 {
1053 	int n;
1054 
1055 	spin_lock_irq(&s->lock);
1056 
1057 	frames >>= 7;
1058 	n = 0;
1059 	while (frames) {
1060 		n++;
1061 		frames >>= 1;
1062 	}
1063 
1064 	s->control_register &= ~HDSP_LatencyMask;
1065 	s->control_register |= hdsp_encode_latency(n);
1066 
1067 	hdsp_write(s, HDSP_controlRegister, s->control_register);
1068 
1069 	hdsp_compute_period_size(s);
1070 
1071 	spin_unlock_irq(&s->lock);
1072 
1073 	return 0;
1074 }
1075 
1076 static void hdsp_set_dds_value(struct hdsp *hdsp, int rate)
1077 {
1078 	u64 n;
1079 
1080 	if (rate >= 112000)
1081 		rate /= 4;
1082 	else if (rate >= 56000)
1083 		rate /= 2;
1084 
1085 	n = DDS_NUMERATOR;
1086 	n = div_u64(n, rate);
1087 	/* n should be less than 2^32 for being written to FREQ register */
1088 	snd_BUG_ON(n >> 32);
1089 	/* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS
1090 	   value to write it after a reset */
1091 	hdsp->dds_value = n;
1092 	hdsp_write(hdsp, HDSP_freqReg, hdsp->dds_value);
1093 }
1094 
1095 static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
1096 {
1097 	int reject_if_open = 0;
1098 	int current_rate;
1099 	int rate_bits;
1100 
1101 	/* ASSUMPTION: hdsp->lock is either held, or
1102 	   there is no need for it (e.g. during module
1103 	   initialization).
1104 	*/
1105 
1106 	if (!(hdsp->control_register & HDSP_ClockModeMaster)) {
1107 		if (called_internally) {
1108 			/* request from ctl or card initialization */
1109 			snd_printk(KERN_ERR "Hammerfall-DSP: device is not running as a clock master: cannot set sample rate.\n");
1110 			return -1;
1111 		} else {
1112 			/* hw_param request while in AutoSync mode */
1113 			int external_freq = hdsp_external_sample_rate(hdsp);
1114 			int spdif_freq = hdsp_spdif_sample_rate(hdsp);
1115 
1116 			if ((spdif_freq == external_freq*2) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1117 				snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in double speed mode\n");
1118 			else if (hdsp->io_type == H9632 && (spdif_freq == external_freq*4) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1119 				snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in quad speed mode\n");
1120 			else if (rate != external_freq) {
1121 				snd_printk(KERN_INFO "Hammerfall-DSP: No AutoSync source for requested rate\n");
1122 				return -1;
1123 			}
1124 		}
1125 	}
1126 
1127 	current_rate = hdsp->system_sample_rate;
1128 
1129 	/* Changing from a "single speed" to a "double speed" rate is
1130 	   not allowed if any substreams are open. This is because
1131 	   such a change causes a shift in the location of
1132 	   the DMA buffers and a reduction in the number of available
1133 	   buffers.
1134 
1135 	   Note that a similar but essentially insoluble problem
1136 	   exists for externally-driven rate changes. All we can do
1137 	   is to flag rate changes in the read/write routines.  */
1138 
1139 	if (rate > 96000 && hdsp->io_type != H9632)
1140 		return -EINVAL;
1141 
1142 	switch (rate) {
1143 	case 32000:
1144 		if (current_rate > 48000)
1145 			reject_if_open = 1;
1146 		rate_bits = HDSP_Frequency32KHz;
1147 		break;
1148 	case 44100:
1149 		if (current_rate > 48000)
1150 			reject_if_open = 1;
1151 		rate_bits = HDSP_Frequency44_1KHz;
1152 		break;
1153 	case 48000:
1154 		if (current_rate > 48000)
1155 			reject_if_open = 1;
1156 		rate_bits = HDSP_Frequency48KHz;
1157 		break;
1158 	case 64000:
1159 		if (current_rate <= 48000 || current_rate > 96000)
1160 			reject_if_open = 1;
1161 		rate_bits = HDSP_Frequency64KHz;
1162 		break;
1163 	case 88200:
1164 		if (current_rate <= 48000 || current_rate > 96000)
1165 			reject_if_open = 1;
1166 		rate_bits = HDSP_Frequency88_2KHz;
1167 		break;
1168 	case 96000:
1169 		if (current_rate <= 48000 || current_rate > 96000)
1170 			reject_if_open = 1;
1171 		rate_bits = HDSP_Frequency96KHz;
1172 		break;
1173 	case 128000:
1174 		if (current_rate < 128000)
1175 			reject_if_open = 1;
1176 		rate_bits = HDSP_Frequency128KHz;
1177 		break;
1178 	case 176400:
1179 		if (current_rate < 128000)
1180 			reject_if_open = 1;
1181 		rate_bits = HDSP_Frequency176_4KHz;
1182 		break;
1183 	case 192000:
1184 		if (current_rate < 128000)
1185 			reject_if_open = 1;
1186 		rate_bits = HDSP_Frequency192KHz;
1187 		break;
1188 	default:
1189 		return -EINVAL;
1190 	}
1191 
1192 	if (reject_if_open && (hdsp->capture_pid >= 0 || hdsp->playback_pid >= 0)) {
1193 		snd_printk ("Hammerfall-DSP: cannot change speed mode (capture PID = %d, playback PID = %d)\n",
1194 			    hdsp->capture_pid,
1195 			    hdsp->playback_pid);
1196 		return -EBUSY;
1197 	}
1198 
1199 	hdsp->control_register &= ~HDSP_FrequencyMask;
1200 	hdsp->control_register |= rate_bits;
1201 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1202 
1203 	/* For HDSP9632 rev 152, need to set DDS value in FREQ register */
1204 	if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
1205 		hdsp_set_dds_value(hdsp, rate);
1206 
1207 	if (rate >= 128000) {
1208 		hdsp->channel_map = channel_map_H9632_qs;
1209 	} else if (rate > 48000) {
1210 		if (hdsp->io_type == H9632)
1211 			hdsp->channel_map = channel_map_H9632_ds;
1212 		else
1213 			hdsp->channel_map = channel_map_ds;
1214 	} else {
1215 		switch (hdsp->io_type) {
1216 		case RPM:
1217 		case Multiface:
1218 			hdsp->channel_map = channel_map_mf_ss;
1219 			break;
1220 		case Digiface:
1221 		case H9652:
1222 			hdsp->channel_map = channel_map_df_ss;
1223 			break;
1224 		case H9632:
1225 			hdsp->channel_map = channel_map_H9632_ss;
1226 			break;
1227 		default:
1228 			/* should never happen */
1229 			break;
1230 		}
1231 	}
1232 
1233 	hdsp->system_sample_rate = rate;
1234 
1235 	return 0;
1236 }
1237 
1238 /*----------------------------------------------------------------------------
1239    MIDI
1240   ----------------------------------------------------------------------------*/
1241 
1242 static unsigned char snd_hdsp_midi_read_byte (struct hdsp *hdsp, int id)
1243 {
1244 	/* the hardware already does the relevant bit-mask with 0xff */
1245 	if (id)
1246 		return hdsp_read(hdsp, HDSP_midiDataIn1);
1247 	else
1248 		return hdsp_read(hdsp, HDSP_midiDataIn0);
1249 }
1250 
1251 static void snd_hdsp_midi_write_byte (struct hdsp *hdsp, int id, int val)
1252 {
1253 	/* the hardware already does the relevant bit-mask with 0xff */
1254 	if (id)
1255 		hdsp_write(hdsp, HDSP_midiDataOut1, val);
1256 	else
1257 		hdsp_write(hdsp, HDSP_midiDataOut0, val);
1258 }
1259 
1260 static int snd_hdsp_midi_input_available (struct hdsp *hdsp, int id)
1261 {
1262 	if (id)
1263 		return (hdsp_read(hdsp, HDSP_midiStatusIn1) & 0xff);
1264 	else
1265 		return (hdsp_read(hdsp, HDSP_midiStatusIn0) & 0xff);
1266 }
1267 
1268 static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id)
1269 {
1270 	int fifo_bytes_used;
1271 
1272 	if (id)
1273 		fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut1) & 0xff;
1274 	else
1275 		fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut0) & 0xff;
1276 
1277 	if (fifo_bytes_used < 128)
1278 		return  128 - fifo_bytes_used;
1279 	else
1280 		return 0;
1281 }
1282 
1283 static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id)
1284 {
1285 	while (snd_hdsp_midi_input_available (hdsp, id))
1286 		snd_hdsp_midi_read_byte (hdsp, id);
1287 }
1288 
1289 static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi)
1290 {
1291 	unsigned long flags;
1292 	int n_pending;
1293 	int to_write;
1294 	int i;
1295 	unsigned char buf[128];
1296 
1297 	/* Output is not interrupt driven */
1298 
1299 	spin_lock_irqsave (&hmidi->lock, flags);
1300 	if (hmidi->output) {
1301 		if (!snd_rawmidi_transmit_empty (hmidi->output)) {
1302 			if ((n_pending = snd_hdsp_midi_output_possible (hmidi->hdsp, hmidi->id)) > 0) {
1303 				if (n_pending > (int)sizeof (buf))
1304 					n_pending = sizeof (buf);
1305 
1306 				if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
1307 					for (i = 0; i < to_write; ++i)
1308 						snd_hdsp_midi_write_byte (hmidi->hdsp, hmidi->id, buf[i]);
1309 				}
1310 			}
1311 		}
1312 	}
1313 	spin_unlock_irqrestore (&hmidi->lock, flags);
1314 	return 0;
1315 }
1316 
1317 static int snd_hdsp_midi_input_read (struct hdsp_midi *hmidi)
1318 {
1319 	unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
1320 	unsigned long flags;
1321 	int n_pending;
1322 	int i;
1323 
1324 	spin_lock_irqsave (&hmidi->lock, flags);
1325 	if ((n_pending = snd_hdsp_midi_input_available (hmidi->hdsp, hmidi->id)) > 0) {
1326 		if (hmidi->input) {
1327 			if (n_pending > (int)sizeof (buf))
1328 				n_pending = sizeof (buf);
1329 			for (i = 0; i < n_pending; ++i)
1330 				buf[i] = snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1331 			if (n_pending)
1332 				snd_rawmidi_receive (hmidi->input, buf, n_pending);
1333 		} else {
1334 			/* flush the MIDI input FIFO */
1335 			while (--n_pending)
1336 				snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1337 		}
1338 	}
1339 	hmidi->pending = 0;
1340 	if (hmidi->id)
1341 		hmidi->hdsp->control_register |= HDSP_Midi1InterruptEnable;
1342 	else
1343 		hmidi->hdsp->control_register |= HDSP_Midi0InterruptEnable;
1344 	hdsp_write(hmidi->hdsp, HDSP_controlRegister, hmidi->hdsp->control_register);
1345 	spin_unlock_irqrestore (&hmidi->lock, flags);
1346 	return snd_hdsp_midi_output_write (hmidi);
1347 }
1348 
1349 static void snd_hdsp_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1350 {
1351 	struct hdsp *hdsp;
1352 	struct hdsp_midi *hmidi;
1353 	unsigned long flags;
1354 	u32 ie;
1355 
1356 	hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1357 	hdsp = hmidi->hdsp;
1358 	ie = hmidi->id ? HDSP_Midi1InterruptEnable : HDSP_Midi0InterruptEnable;
1359 	spin_lock_irqsave (&hdsp->lock, flags);
1360 	if (up) {
1361 		if (!(hdsp->control_register & ie)) {
1362 			snd_hdsp_flush_midi_input (hdsp, hmidi->id);
1363 			hdsp->control_register |= ie;
1364 		}
1365 	} else {
1366 		hdsp->control_register &= ~ie;
1367 		tasklet_kill(&hdsp->midi_tasklet);
1368 	}
1369 
1370 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1371 	spin_unlock_irqrestore (&hdsp->lock, flags);
1372 }
1373 
1374 static void snd_hdsp_midi_output_timer(unsigned long data)
1375 {
1376 	struct hdsp_midi *hmidi = (struct hdsp_midi *) data;
1377 	unsigned long flags;
1378 
1379 	snd_hdsp_midi_output_write(hmidi);
1380 	spin_lock_irqsave (&hmidi->lock, flags);
1381 
1382 	/* this does not bump hmidi->istimer, because the
1383 	   kernel automatically removed the timer when it
1384 	   expired, and we are now adding it back, thus
1385 	   leaving istimer wherever it was set before.
1386 	*/
1387 
1388 	if (hmidi->istimer) {
1389 		hmidi->timer.expires = 1 + jiffies;
1390 		add_timer(&hmidi->timer);
1391 	}
1392 
1393 	spin_unlock_irqrestore (&hmidi->lock, flags);
1394 }
1395 
1396 static void snd_hdsp_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1397 {
1398 	struct hdsp_midi *hmidi;
1399 	unsigned long flags;
1400 
1401 	hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1402 	spin_lock_irqsave (&hmidi->lock, flags);
1403 	if (up) {
1404 		if (!hmidi->istimer) {
1405 			init_timer(&hmidi->timer);
1406 			hmidi->timer.function = snd_hdsp_midi_output_timer;
1407 			hmidi->timer.data = (unsigned long) hmidi;
1408 			hmidi->timer.expires = 1 + jiffies;
1409 			add_timer(&hmidi->timer);
1410 			hmidi->istimer++;
1411 		}
1412 	} else {
1413 		if (hmidi->istimer && --hmidi->istimer <= 0)
1414 			del_timer (&hmidi->timer);
1415 	}
1416 	spin_unlock_irqrestore (&hmidi->lock, flags);
1417 	if (up)
1418 		snd_hdsp_midi_output_write(hmidi);
1419 }
1420 
1421 static int snd_hdsp_midi_input_open(struct snd_rawmidi_substream *substream)
1422 {
1423 	struct hdsp_midi *hmidi;
1424 
1425 	hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1426 	spin_lock_irq (&hmidi->lock);
1427 	snd_hdsp_flush_midi_input (hmidi->hdsp, hmidi->id);
1428 	hmidi->input = substream;
1429 	spin_unlock_irq (&hmidi->lock);
1430 
1431 	return 0;
1432 }
1433 
1434 static int snd_hdsp_midi_output_open(struct snd_rawmidi_substream *substream)
1435 {
1436 	struct hdsp_midi *hmidi;
1437 
1438 	hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1439 	spin_lock_irq (&hmidi->lock);
1440 	hmidi->output = substream;
1441 	spin_unlock_irq (&hmidi->lock);
1442 
1443 	return 0;
1444 }
1445 
1446 static int snd_hdsp_midi_input_close(struct snd_rawmidi_substream *substream)
1447 {
1448 	struct hdsp_midi *hmidi;
1449 
1450 	snd_hdsp_midi_input_trigger (substream, 0);
1451 
1452 	hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1453 	spin_lock_irq (&hmidi->lock);
1454 	hmidi->input = NULL;
1455 	spin_unlock_irq (&hmidi->lock);
1456 
1457 	return 0;
1458 }
1459 
1460 static int snd_hdsp_midi_output_close(struct snd_rawmidi_substream *substream)
1461 {
1462 	struct hdsp_midi *hmidi;
1463 
1464 	snd_hdsp_midi_output_trigger (substream, 0);
1465 
1466 	hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1467 	spin_lock_irq (&hmidi->lock);
1468 	hmidi->output = NULL;
1469 	spin_unlock_irq (&hmidi->lock);
1470 
1471 	return 0;
1472 }
1473 
1474 static struct snd_rawmidi_ops snd_hdsp_midi_output =
1475 {
1476 	.open =		snd_hdsp_midi_output_open,
1477 	.close =	snd_hdsp_midi_output_close,
1478 	.trigger =	snd_hdsp_midi_output_trigger,
1479 };
1480 
1481 static struct snd_rawmidi_ops snd_hdsp_midi_input =
1482 {
1483 	.open =		snd_hdsp_midi_input_open,
1484 	.close =	snd_hdsp_midi_input_close,
1485 	.trigger =	snd_hdsp_midi_input_trigger,
1486 };
1487 
1488 static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int id)
1489 {
1490 	char buf[32];
1491 
1492 	hdsp->midi[id].id = id;
1493 	hdsp->midi[id].rmidi = NULL;
1494 	hdsp->midi[id].input = NULL;
1495 	hdsp->midi[id].output = NULL;
1496 	hdsp->midi[id].hdsp = hdsp;
1497 	hdsp->midi[id].istimer = 0;
1498 	hdsp->midi[id].pending = 0;
1499 	spin_lock_init (&hdsp->midi[id].lock);
1500 
1501 	sprintf (buf, "%s MIDI %d", card->shortname, id+1);
1502 	if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0)
1503 		return -1;
1504 
1505 	sprintf(hdsp->midi[id].rmidi->name, "HDSP MIDI %d", id+1);
1506 	hdsp->midi[id].rmidi->private_data = &hdsp->midi[id];
1507 
1508 	snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdsp_midi_output);
1509 	snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdsp_midi_input);
1510 
1511 	hdsp->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1512 		SNDRV_RAWMIDI_INFO_INPUT |
1513 		SNDRV_RAWMIDI_INFO_DUPLEX;
1514 
1515 	return 0;
1516 }
1517 
1518 /*-----------------------------------------------------------------------------
1519   Control Interface
1520   ----------------------------------------------------------------------------*/
1521 
1522 static u32 snd_hdsp_convert_from_aes(struct snd_aes_iec958 *aes)
1523 {
1524 	u32 val = 0;
1525 	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? HDSP_SPDIFProfessional : 0;
1526 	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? HDSP_SPDIFNonAudio : 0;
1527 	if (val & HDSP_SPDIFProfessional)
1528 		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1529 	else
1530 		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1531 	return val;
1532 }
1533 
1534 static void snd_hdsp_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
1535 {
1536 	aes->status[0] = ((val & HDSP_SPDIFProfessional) ? IEC958_AES0_PROFESSIONAL : 0) |
1537 			 ((val & HDSP_SPDIFNonAudio) ? IEC958_AES0_NONAUDIO : 0);
1538 	if (val & HDSP_SPDIFProfessional)
1539 		aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
1540 	else
1541 		aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
1542 }
1543 
1544 static int snd_hdsp_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1545 {
1546 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1547 	uinfo->count = 1;
1548 	return 0;
1549 }
1550 
1551 static int snd_hdsp_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1552 {
1553 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1554 
1555 	snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif);
1556 	return 0;
1557 }
1558 
1559 static int snd_hdsp_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1560 {
1561 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1562 	int change;
1563 	u32 val;
1564 
1565 	val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1566 	spin_lock_irq(&hdsp->lock);
1567 	change = val != hdsp->creg_spdif;
1568 	hdsp->creg_spdif = val;
1569 	spin_unlock_irq(&hdsp->lock);
1570 	return change;
1571 }
1572 
1573 static int snd_hdsp_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1574 {
1575 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1576 	uinfo->count = 1;
1577 	return 0;
1578 }
1579 
1580 static int snd_hdsp_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1581 {
1582 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1583 
1584 	snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif_stream);
1585 	return 0;
1586 }
1587 
1588 static int snd_hdsp_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1589 {
1590 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1591 	int change;
1592 	u32 val;
1593 
1594 	val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1595 	spin_lock_irq(&hdsp->lock);
1596 	change = val != hdsp->creg_spdif_stream;
1597 	hdsp->creg_spdif_stream = val;
1598 	hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
1599 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= val);
1600 	spin_unlock_irq(&hdsp->lock);
1601 	return change;
1602 }
1603 
1604 static int snd_hdsp_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1605 {
1606 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1607 	uinfo->count = 1;
1608 	return 0;
1609 }
1610 
1611 static int snd_hdsp_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1612 {
1613 	ucontrol->value.iec958.status[0] = kcontrol->private_value;
1614 	return 0;
1615 }
1616 
1617 #define HDSP_SPDIF_IN(xname, xindex) \
1618 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1619   .name = xname, \
1620   .index = xindex, \
1621   .info = snd_hdsp_info_spdif_in, \
1622   .get = snd_hdsp_get_spdif_in, \
1623   .put = snd_hdsp_put_spdif_in }
1624 
1625 static unsigned int hdsp_spdif_in(struct hdsp *hdsp)
1626 {
1627 	return hdsp_decode_spdif_in(hdsp->control_register & HDSP_SPDIFInputMask);
1628 }
1629 
1630 static int hdsp_set_spdif_input(struct hdsp *hdsp, int in)
1631 {
1632 	hdsp->control_register &= ~HDSP_SPDIFInputMask;
1633 	hdsp->control_register |= hdsp_encode_spdif_in(in);
1634 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1635 	return 0;
1636 }
1637 
1638 static int snd_hdsp_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1639 {
1640 	static char *texts[4] = {"Optical", "Coaxial", "Internal", "AES"};
1641 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1642 
1643 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1644 	uinfo->count = 1;
1645 	uinfo->value.enumerated.items = ((hdsp->io_type == H9632) ? 4 : 3);
1646 	if (uinfo->value.enumerated.item > ((hdsp->io_type == H9632) ? 3 : 2))
1647 		uinfo->value.enumerated.item = ((hdsp->io_type == H9632) ? 3 : 2);
1648 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1649 	return 0;
1650 }
1651 
1652 static int snd_hdsp_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1653 {
1654 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1655 
1656 	ucontrol->value.enumerated.item[0] = hdsp_spdif_in(hdsp);
1657 	return 0;
1658 }
1659 
1660 static int snd_hdsp_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1661 {
1662 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1663 	int change;
1664 	unsigned int val;
1665 
1666 	if (!snd_hdsp_use_is_exclusive(hdsp))
1667 		return -EBUSY;
1668 	val = ucontrol->value.enumerated.item[0] % ((hdsp->io_type == H9632) ? 4 : 3);
1669 	spin_lock_irq(&hdsp->lock);
1670 	change = val != hdsp_spdif_in(hdsp);
1671 	if (change)
1672 		hdsp_set_spdif_input(hdsp, val);
1673 	spin_unlock_irq(&hdsp->lock);
1674 	return change;
1675 }
1676 
1677 #define HDSP_SPDIF_OUT(xname, xindex) \
1678 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1679   .info = snd_hdsp_info_spdif_bits, \
1680   .get = snd_hdsp_get_spdif_out, .put = snd_hdsp_put_spdif_out }
1681 
1682 static int hdsp_spdif_out(struct hdsp *hdsp)
1683 {
1684 	return (hdsp->control_register & HDSP_SPDIFOpticalOut) ? 1 : 0;
1685 }
1686 
1687 static int hdsp_set_spdif_output(struct hdsp *hdsp, int out)
1688 {
1689 	if (out)
1690 		hdsp->control_register |= HDSP_SPDIFOpticalOut;
1691 	else
1692 		hdsp->control_register &= ~HDSP_SPDIFOpticalOut;
1693 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1694 	return 0;
1695 }
1696 
1697 #define snd_hdsp_info_spdif_bits	snd_ctl_boolean_mono_info
1698 
1699 static int snd_hdsp_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1700 {
1701 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1702 
1703 	ucontrol->value.integer.value[0] = hdsp_spdif_out(hdsp);
1704 	return 0;
1705 }
1706 
1707 static int snd_hdsp_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1708 {
1709 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1710 	int change;
1711 	unsigned int val;
1712 
1713 	if (!snd_hdsp_use_is_exclusive(hdsp))
1714 		return -EBUSY;
1715 	val = ucontrol->value.integer.value[0] & 1;
1716 	spin_lock_irq(&hdsp->lock);
1717 	change = (int)val != hdsp_spdif_out(hdsp);
1718 	hdsp_set_spdif_output(hdsp, val);
1719 	spin_unlock_irq(&hdsp->lock);
1720 	return change;
1721 }
1722 
1723 #define HDSP_SPDIF_PROFESSIONAL(xname, xindex) \
1724 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1725   .info = snd_hdsp_info_spdif_bits, \
1726   .get = snd_hdsp_get_spdif_professional, .put = snd_hdsp_put_spdif_professional }
1727 
1728 static int hdsp_spdif_professional(struct hdsp *hdsp)
1729 {
1730 	return (hdsp->control_register & HDSP_SPDIFProfessional) ? 1 : 0;
1731 }
1732 
1733 static int hdsp_set_spdif_professional(struct hdsp *hdsp, int val)
1734 {
1735 	if (val)
1736 		hdsp->control_register |= HDSP_SPDIFProfessional;
1737 	else
1738 		hdsp->control_register &= ~HDSP_SPDIFProfessional;
1739 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1740 	return 0;
1741 }
1742 
1743 static int snd_hdsp_get_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1744 {
1745 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1746 
1747 	ucontrol->value.integer.value[0] = hdsp_spdif_professional(hdsp);
1748 	return 0;
1749 }
1750 
1751 static int snd_hdsp_put_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1752 {
1753 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1754 	int change;
1755 	unsigned int val;
1756 
1757 	if (!snd_hdsp_use_is_exclusive(hdsp))
1758 		return -EBUSY;
1759 	val = ucontrol->value.integer.value[0] & 1;
1760 	spin_lock_irq(&hdsp->lock);
1761 	change = (int)val != hdsp_spdif_professional(hdsp);
1762 	hdsp_set_spdif_professional(hdsp, val);
1763 	spin_unlock_irq(&hdsp->lock);
1764 	return change;
1765 }
1766 
1767 #define HDSP_SPDIF_EMPHASIS(xname, xindex) \
1768 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1769   .info = snd_hdsp_info_spdif_bits, \
1770   .get = snd_hdsp_get_spdif_emphasis, .put = snd_hdsp_put_spdif_emphasis }
1771 
1772 static int hdsp_spdif_emphasis(struct hdsp *hdsp)
1773 {
1774 	return (hdsp->control_register & HDSP_SPDIFEmphasis) ? 1 : 0;
1775 }
1776 
1777 static int hdsp_set_spdif_emphasis(struct hdsp *hdsp, int val)
1778 {
1779 	if (val)
1780 		hdsp->control_register |= HDSP_SPDIFEmphasis;
1781 	else
1782 		hdsp->control_register &= ~HDSP_SPDIFEmphasis;
1783 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1784 	return 0;
1785 }
1786 
1787 static int snd_hdsp_get_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1788 {
1789 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1790 
1791 	ucontrol->value.integer.value[0] = hdsp_spdif_emphasis(hdsp);
1792 	return 0;
1793 }
1794 
1795 static int snd_hdsp_put_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1796 {
1797 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1798 	int change;
1799 	unsigned int val;
1800 
1801 	if (!snd_hdsp_use_is_exclusive(hdsp))
1802 		return -EBUSY;
1803 	val = ucontrol->value.integer.value[0] & 1;
1804 	spin_lock_irq(&hdsp->lock);
1805 	change = (int)val != hdsp_spdif_emphasis(hdsp);
1806 	hdsp_set_spdif_emphasis(hdsp, val);
1807 	spin_unlock_irq(&hdsp->lock);
1808 	return change;
1809 }
1810 
1811 #define HDSP_SPDIF_NON_AUDIO(xname, xindex) \
1812 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1813   .info = snd_hdsp_info_spdif_bits, \
1814   .get = snd_hdsp_get_spdif_nonaudio, .put = snd_hdsp_put_spdif_nonaudio }
1815 
1816 static int hdsp_spdif_nonaudio(struct hdsp *hdsp)
1817 {
1818 	return (hdsp->control_register & HDSP_SPDIFNonAudio) ? 1 : 0;
1819 }
1820 
1821 static int hdsp_set_spdif_nonaudio(struct hdsp *hdsp, int val)
1822 {
1823 	if (val)
1824 		hdsp->control_register |= HDSP_SPDIFNonAudio;
1825 	else
1826 		hdsp->control_register &= ~HDSP_SPDIFNonAudio;
1827 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1828 	return 0;
1829 }
1830 
1831 static int snd_hdsp_get_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1832 {
1833 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1834 
1835 	ucontrol->value.integer.value[0] = hdsp_spdif_nonaudio(hdsp);
1836 	return 0;
1837 }
1838 
1839 static int snd_hdsp_put_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1840 {
1841 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1842 	int change;
1843 	unsigned int val;
1844 
1845 	if (!snd_hdsp_use_is_exclusive(hdsp))
1846 		return -EBUSY;
1847 	val = ucontrol->value.integer.value[0] & 1;
1848 	spin_lock_irq(&hdsp->lock);
1849 	change = (int)val != hdsp_spdif_nonaudio(hdsp);
1850 	hdsp_set_spdif_nonaudio(hdsp, val);
1851 	spin_unlock_irq(&hdsp->lock);
1852 	return change;
1853 }
1854 
1855 #define HDSP_SPDIF_SAMPLE_RATE(xname, xindex) \
1856 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1857   .name = xname, \
1858   .index = xindex, \
1859   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1860   .info = snd_hdsp_info_spdif_sample_rate, \
1861   .get = snd_hdsp_get_spdif_sample_rate \
1862 }
1863 
1864 static int snd_hdsp_info_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1865 {
1866 	static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1867 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1868 
1869 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1870 	uinfo->count = 1;
1871 	uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7;
1872 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1873 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1874 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1875 	return 0;
1876 }
1877 
1878 static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1879 {
1880 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1881 
1882 	switch (hdsp_spdif_sample_rate(hdsp)) {
1883 	case 32000:
1884 		ucontrol->value.enumerated.item[0] = 0;
1885 		break;
1886 	case 44100:
1887 		ucontrol->value.enumerated.item[0] = 1;
1888 		break;
1889 	case 48000:
1890 		ucontrol->value.enumerated.item[0] = 2;
1891 		break;
1892 	case 64000:
1893 		ucontrol->value.enumerated.item[0] = 3;
1894 		break;
1895 	case 88200:
1896 		ucontrol->value.enumerated.item[0] = 4;
1897 		break;
1898 	case 96000:
1899 		ucontrol->value.enumerated.item[0] = 5;
1900 		break;
1901 	case 128000:
1902 		ucontrol->value.enumerated.item[0] = 7;
1903 		break;
1904 	case 176400:
1905 		ucontrol->value.enumerated.item[0] = 8;
1906 		break;
1907 	case 192000:
1908 		ucontrol->value.enumerated.item[0] = 9;
1909 		break;
1910 	default:
1911 		ucontrol->value.enumerated.item[0] = 6;
1912 	}
1913 	return 0;
1914 }
1915 
1916 #define HDSP_SYSTEM_SAMPLE_RATE(xname, xindex) \
1917 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1918   .name = xname, \
1919   .index = xindex, \
1920   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1921   .info = snd_hdsp_info_system_sample_rate, \
1922   .get = snd_hdsp_get_system_sample_rate \
1923 }
1924 
1925 static int snd_hdsp_info_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1926 {
1927 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1928 	uinfo->count = 1;
1929 	return 0;
1930 }
1931 
1932 static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1933 {
1934 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1935 
1936 	ucontrol->value.enumerated.item[0] = hdsp->system_sample_rate;
1937 	return 0;
1938 }
1939 
1940 #define HDSP_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1941 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1942   .name = xname, \
1943   .index = xindex, \
1944   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1945   .info = snd_hdsp_info_autosync_sample_rate, \
1946   .get = snd_hdsp_get_autosync_sample_rate \
1947 }
1948 
1949 static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1950 {
1951 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1952 	static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1953 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1954 	uinfo->count = 1;
1955 	uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7 ;
1956 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1957 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1958 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1959 	return 0;
1960 }
1961 
1962 static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1963 {
1964 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1965 
1966 	switch (hdsp_external_sample_rate(hdsp)) {
1967 	case 32000:
1968 		ucontrol->value.enumerated.item[0] = 0;
1969 		break;
1970 	case 44100:
1971 		ucontrol->value.enumerated.item[0] = 1;
1972 		break;
1973 	case 48000:
1974 		ucontrol->value.enumerated.item[0] = 2;
1975 		break;
1976 	case 64000:
1977 		ucontrol->value.enumerated.item[0] = 3;
1978 		break;
1979 	case 88200:
1980 		ucontrol->value.enumerated.item[0] = 4;
1981 		break;
1982 	case 96000:
1983 		ucontrol->value.enumerated.item[0] = 5;
1984 		break;
1985 	case 128000:
1986 		ucontrol->value.enumerated.item[0] = 7;
1987 		break;
1988 	case 176400:
1989 		ucontrol->value.enumerated.item[0] = 8;
1990 		break;
1991 	case 192000:
1992 		ucontrol->value.enumerated.item[0] = 9;
1993 		break;
1994 	default:
1995 		ucontrol->value.enumerated.item[0] = 6;
1996 	}
1997 	return 0;
1998 }
1999 
2000 #define HDSP_SYSTEM_CLOCK_MODE(xname, xindex) \
2001 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2002   .name = xname, \
2003   .index = xindex, \
2004   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
2005   .info = snd_hdsp_info_system_clock_mode, \
2006   .get = snd_hdsp_get_system_clock_mode \
2007 }
2008 
2009 static int hdsp_system_clock_mode(struct hdsp *hdsp)
2010 {
2011 	if (hdsp->control_register & HDSP_ClockModeMaster)
2012 		return 0;
2013 	else if (hdsp_external_sample_rate(hdsp) != hdsp->system_sample_rate)
2014 			return 0;
2015 	return 1;
2016 }
2017 
2018 static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2019 {
2020 	static char *texts[] = {"Master", "Slave" };
2021 
2022 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2023 	uinfo->count = 1;
2024 	uinfo->value.enumerated.items = 2;
2025 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2026 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2027 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2028 	return 0;
2029 }
2030 
2031 static int snd_hdsp_get_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2032 {
2033 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2034 
2035 	ucontrol->value.enumerated.item[0] = hdsp_system_clock_mode(hdsp);
2036 	return 0;
2037 }
2038 
2039 #define HDSP_CLOCK_SOURCE(xname, xindex) \
2040 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2041   .name = xname, \
2042   .index = xindex, \
2043   .info = snd_hdsp_info_clock_source, \
2044   .get = snd_hdsp_get_clock_source, \
2045   .put = snd_hdsp_put_clock_source \
2046 }
2047 
2048 static int hdsp_clock_source(struct hdsp *hdsp)
2049 {
2050 	if (hdsp->control_register & HDSP_ClockModeMaster) {
2051 		switch (hdsp->system_sample_rate) {
2052 		case 32000:
2053 			return 1;
2054 		case 44100:
2055 			return 2;
2056 		case 48000:
2057 			return 3;
2058 		case 64000:
2059 			return 4;
2060 		case 88200:
2061 			return 5;
2062 		case 96000:
2063 			return 6;
2064 		case 128000:
2065 			return 7;
2066 		case 176400:
2067 			return 8;
2068 		case 192000:
2069 			return 9;
2070 		default:
2071 			return 3;
2072 		}
2073 	} else {
2074 		return 0;
2075 	}
2076 }
2077 
2078 static int hdsp_set_clock_source(struct hdsp *hdsp, int mode)
2079 {
2080 	int rate;
2081 	switch (mode) {
2082 	case HDSP_CLOCK_SOURCE_AUTOSYNC:
2083 		if (hdsp_external_sample_rate(hdsp) != 0) {
2084 		    if (!hdsp_set_rate(hdsp, hdsp_external_sample_rate(hdsp), 1)) {
2085 			hdsp->control_register &= ~HDSP_ClockModeMaster;
2086 			hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2087 			return 0;
2088 		    }
2089 		}
2090 		return -1;
2091 	case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
2092 		rate = 32000;
2093 		break;
2094 	case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
2095 		rate = 44100;
2096 		break;
2097 	case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
2098 		rate = 48000;
2099 		break;
2100 	case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
2101 		rate = 64000;
2102 		break;
2103 	case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
2104 		rate = 88200;
2105 		break;
2106 	case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
2107 		rate = 96000;
2108 		break;
2109 	case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
2110 		rate = 128000;
2111 		break;
2112 	case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
2113 		rate = 176400;
2114 		break;
2115 	case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
2116 		rate = 192000;
2117 		break;
2118 	default:
2119 		rate = 48000;
2120 	}
2121 	hdsp->control_register |= HDSP_ClockModeMaster;
2122 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2123 	hdsp_set_rate(hdsp, rate, 1);
2124 	return 0;
2125 }
2126 
2127 static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2128 {
2129 	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" };
2130 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2131 
2132 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2133 	uinfo->count = 1;
2134 	if (hdsp->io_type == H9632)
2135 	    uinfo->value.enumerated.items = 10;
2136 	else
2137 	    uinfo->value.enumerated.items = 7;
2138 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2139 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2140 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2141 	return 0;
2142 }
2143 
2144 static int snd_hdsp_get_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2145 {
2146 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2147 
2148 	ucontrol->value.enumerated.item[0] = hdsp_clock_source(hdsp);
2149 	return 0;
2150 }
2151 
2152 static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2153 {
2154 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2155 	int change;
2156 	int val;
2157 
2158 	if (!snd_hdsp_use_is_exclusive(hdsp))
2159 		return -EBUSY;
2160 	val = ucontrol->value.enumerated.item[0];
2161 	if (val < 0) val = 0;
2162 	if (hdsp->io_type == H9632) {
2163 		if (val > 9)
2164 			val = 9;
2165 	} else {
2166 		if (val > 6)
2167 			val = 6;
2168 	}
2169 	spin_lock_irq(&hdsp->lock);
2170 	if (val != hdsp_clock_source(hdsp))
2171 		change = (hdsp_set_clock_source(hdsp, val) == 0) ? 1 : 0;
2172 	else
2173 		change = 0;
2174 	spin_unlock_irq(&hdsp->lock);
2175 	return change;
2176 }
2177 
2178 #define snd_hdsp_info_clock_source_lock		snd_ctl_boolean_mono_info
2179 
2180 static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2181 {
2182 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2183 
2184 	ucontrol->value.integer.value[0] = hdsp->clock_source_locked;
2185 	return 0;
2186 }
2187 
2188 static int snd_hdsp_put_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2189 {
2190 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2191 	int change;
2192 
2193 	change = (int)ucontrol->value.integer.value[0] != hdsp->clock_source_locked;
2194 	if (change)
2195 		hdsp->clock_source_locked = !!ucontrol->value.integer.value[0];
2196 	return change;
2197 }
2198 
2199 #define HDSP_DA_GAIN(xname, xindex) \
2200 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2201   .name = xname, \
2202   .index = xindex, \
2203   .info = snd_hdsp_info_da_gain, \
2204   .get = snd_hdsp_get_da_gain, \
2205   .put = snd_hdsp_put_da_gain \
2206 }
2207 
2208 static int hdsp_da_gain(struct hdsp *hdsp)
2209 {
2210 	switch (hdsp->control_register & HDSP_DAGainMask) {
2211 	case HDSP_DAGainHighGain:
2212 		return 0;
2213 	case HDSP_DAGainPlus4dBu:
2214 		return 1;
2215 	case HDSP_DAGainMinus10dBV:
2216 		return 2;
2217 	default:
2218 		return 1;
2219 	}
2220 }
2221 
2222 static int hdsp_set_da_gain(struct hdsp *hdsp, int mode)
2223 {
2224 	hdsp->control_register &= ~HDSP_DAGainMask;
2225 	switch (mode) {
2226 	case 0:
2227 		hdsp->control_register |= HDSP_DAGainHighGain;
2228 		break;
2229 	case 1:
2230 		hdsp->control_register |= HDSP_DAGainPlus4dBu;
2231 		break;
2232 	case 2:
2233 		hdsp->control_register |= HDSP_DAGainMinus10dBV;
2234 		break;
2235 	default:
2236 		return -1;
2237 
2238 	}
2239 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2240 	return 0;
2241 }
2242 
2243 static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2244 {
2245 	static char *texts[] = {"Hi Gain", "+4 dBu", "-10 dbV"};
2246 
2247 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2248 	uinfo->count = 1;
2249 	uinfo->value.enumerated.items = 3;
2250 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2251 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2252 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2253 	return 0;
2254 }
2255 
2256 static int snd_hdsp_get_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2257 {
2258 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2259 
2260 	ucontrol->value.enumerated.item[0] = hdsp_da_gain(hdsp);
2261 	return 0;
2262 }
2263 
2264 static int snd_hdsp_put_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2265 {
2266 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2267 	int change;
2268 	int val;
2269 
2270 	if (!snd_hdsp_use_is_exclusive(hdsp))
2271 		return -EBUSY;
2272 	val = ucontrol->value.enumerated.item[0];
2273 	if (val < 0) val = 0;
2274 	if (val > 2) val = 2;
2275 	spin_lock_irq(&hdsp->lock);
2276 	if (val != hdsp_da_gain(hdsp))
2277 		change = (hdsp_set_da_gain(hdsp, val) == 0) ? 1 : 0;
2278 	else
2279 		change = 0;
2280 	spin_unlock_irq(&hdsp->lock);
2281 	return change;
2282 }
2283 
2284 #define HDSP_AD_GAIN(xname, xindex) \
2285 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2286   .name = xname, \
2287   .index = xindex, \
2288   .info = snd_hdsp_info_ad_gain, \
2289   .get = snd_hdsp_get_ad_gain, \
2290   .put = snd_hdsp_put_ad_gain \
2291 }
2292 
2293 static int hdsp_ad_gain(struct hdsp *hdsp)
2294 {
2295 	switch (hdsp->control_register & HDSP_ADGainMask) {
2296 	case HDSP_ADGainMinus10dBV:
2297 		return 0;
2298 	case HDSP_ADGainPlus4dBu:
2299 		return 1;
2300 	case HDSP_ADGainLowGain:
2301 		return 2;
2302 	default:
2303 		return 1;
2304 	}
2305 }
2306 
2307 static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode)
2308 {
2309 	hdsp->control_register &= ~HDSP_ADGainMask;
2310 	switch (mode) {
2311 	case 0:
2312 		hdsp->control_register |= HDSP_ADGainMinus10dBV;
2313 		break;
2314 	case 1:
2315 		hdsp->control_register |= HDSP_ADGainPlus4dBu;
2316 		break;
2317 	case 2:
2318 		hdsp->control_register |= HDSP_ADGainLowGain;
2319 		break;
2320 	default:
2321 		return -1;
2322 
2323 	}
2324 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2325 	return 0;
2326 }
2327 
2328 static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2329 {
2330 	static char *texts[] = {"-10 dBV", "+4 dBu", "Lo Gain"};
2331 
2332 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2333 	uinfo->count = 1;
2334 	uinfo->value.enumerated.items = 3;
2335 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2336 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2337 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2338 	return 0;
2339 }
2340 
2341 static int snd_hdsp_get_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2342 {
2343 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2344 
2345 	ucontrol->value.enumerated.item[0] = hdsp_ad_gain(hdsp);
2346 	return 0;
2347 }
2348 
2349 static int snd_hdsp_put_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2350 {
2351 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2352 	int change;
2353 	int val;
2354 
2355 	if (!snd_hdsp_use_is_exclusive(hdsp))
2356 		return -EBUSY;
2357 	val = ucontrol->value.enumerated.item[0];
2358 	if (val < 0) val = 0;
2359 	if (val > 2) val = 2;
2360 	spin_lock_irq(&hdsp->lock);
2361 	if (val != hdsp_ad_gain(hdsp))
2362 		change = (hdsp_set_ad_gain(hdsp, val) == 0) ? 1 : 0;
2363 	else
2364 		change = 0;
2365 	spin_unlock_irq(&hdsp->lock);
2366 	return change;
2367 }
2368 
2369 #define HDSP_PHONE_GAIN(xname, xindex) \
2370 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2371   .name = xname, \
2372   .index = xindex, \
2373   .info = snd_hdsp_info_phone_gain, \
2374   .get = snd_hdsp_get_phone_gain, \
2375   .put = snd_hdsp_put_phone_gain \
2376 }
2377 
2378 static int hdsp_phone_gain(struct hdsp *hdsp)
2379 {
2380 	switch (hdsp->control_register & HDSP_PhoneGainMask) {
2381 	case HDSP_PhoneGain0dB:
2382 		return 0;
2383 	case HDSP_PhoneGainMinus6dB:
2384 		return 1;
2385 	case HDSP_PhoneGainMinus12dB:
2386 		return 2;
2387 	default:
2388 		return 0;
2389 	}
2390 }
2391 
2392 static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode)
2393 {
2394 	hdsp->control_register &= ~HDSP_PhoneGainMask;
2395 	switch (mode) {
2396 	case 0:
2397 		hdsp->control_register |= HDSP_PhoneGain0dB;
2398 		break;
2399 	case 1:
2400 		hdsp->control_register |= HDSP_PhoneGainMinus6dB;
2401 		break;
2402 	case 2:
2403 		hdsp->control_register |= HDSP_PhoneGainMinus12dB;
2404 		break;
2405 	default:
2406 		return -1;
2407 
2408 	}
2409 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2410 	return 0;
2411 }
2412 
2413 static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2414 {
2415 	static char *texts[] = {"0 dB", "-6 dB", "-12 dB"};
2416 
2417 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2418 	uinfo->count = 1;
2419 	uinfo->value.enumerated.items = 3;
2420 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2421 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2422 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2423 	return 0;
2424 }
2425 
2426 static int snd_hdsp_get_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2427 {
2428 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2429 
2430 	ucontrol->value.enumerated.item[0] = hdsp_phone_gain(hdsp);
2431 	return 0;
2432 }
2433 
2434 static int snd_hdsp_put_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2435 {
2436 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2437 	int change;
2438 	int val;
2439 
2440 	if (!snd_hdsp_use_is_exclusive(hdsp))
2441 		return -EBUSY;
2442 	val = ucontrol->value.enumerated.item[0];
2443 	if (val < 0) val = 0;
2444 	if (val > 2) val = 2;
2445 	spin_lock_irq(&hdsp->lock);
2446 	if (val != hdsp_phone_gain(hdsp))
2447 		change = (hdsp_set_phone_gain(hdsp, val) == 0) ? 1 : 0;
2448 	else
2449 		change = 0;
2450 	spin_unlock_irq(&hdsp->lock);
2451 	return change;
2452 }
2453 
2454 #define HDSP_XLR_BREAKOUT_CABLE(xname, xindex) \
2455 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2456   .name = xname, \
2457   .index = xindex, \
2458   .info = snd_hdsp_info_xlr_breakout_cable, \
2459   .get = snd_hdsp_get_xlr_breakout_cable, \
2460   .put = snd_hdsp_put_xlr_breakout_cable \
2461 }
2462 
2463 static int hdsp_xlr_breakout_cable(struct hdsp *hdsp)
2464 {
2465 	if (hdsp->control_register & HDSP_XLRBreakoutCable)
2466 		return 1;
2467 	return 0;
2468 }
2469 
2470 static int hdsp_set_xlr_breakout_cable(struct hdsp *hdsp, int mode)
2471 {
2472 	if (mode)
2473 		hdsp->control_register |= HDSP_XLRBreakoutCable;
2474 	else
2475 		hdsp->control_register &= ~HDSP_XLRBreakoutCable;
2476 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2477 	return 0;
2478 }
2479 
2480 #define snd_hdsp_info_xlr_breakout_cable	snd_ctl_boolean_mono_info
2481 
2482 static int snd_hdsp_get_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2483 {
2484 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2485 
2486 	ucontrol->value.enumerated.item[0] = hdsp_xlr_breakout_cable(hdsp);
2487 	return 0;
2488 }
2489 
2490 static int snd_hdsp_put_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2491 {
2492 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2493 	int change;
2494 	int val;
2495 
2496 	if (!snd_hdsp_use_is_exclusive(hdsp))
2497 		return -EBUSY;
2498 	val = ucontrol->value.integer.value[0] & 1;
2499 	spin_lock_irq(&hdsp->lock);
2500 	change = (int)val != hdsp_xlr_breakout_cable(hdsp);
2501 	hdsp_set_xlr_breakout_cable(hdsp, val);
2502 	spin_unlock_irq(&hdsp->lock);
2503 	return change;
2504 }
2505 
2506 /* (De)activates old RME Analog Extension Board
2507    These are connected to the internal ADAT connector
2508    Switching this on desactivates external ADAT
2509 */
2510 #define HDSP_AEB(xname, xindex) \
2511 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2512   .name = xname, \
2513   .index = xindex, \
2514   .info = snd_hdsp_info_aeb, \
2515   .get = snd_hdsp_get_aeb, \
2516   .put = snd_hdsp_put_aeb \
2517 }
2518 
2519 static int hdsp_aeb(struct hdsp *hdsp)
2520 {
2521 	if (hdsp->control_register & HDSP_AnalogExtensionBoard)
2522 		return 1;
2523 	return 0;
2524 }
2525 
2526 static int hdsp_set_aeb(struct hdsp *hdsp, int mode)
2527 {
2528 	if (mode)
2529 		hdsp->control_register |= HDSP_AnalogExtensionBoard;
2530 	else
2531 		hdsp->control_register &= ~HDSP_AnalogExtensionBoard;
2532 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2533 	return 0;
2534 }
2535 
2536 #define snd_hdsp_info_aeb		snd_ctl_boolean_mono_info
2537 
2538 static int snd_hdsp_get_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2539 {
2540 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2541 
2542 	ucontrol->value.enumerated.item[0] = hdsp_aeb(hdsp);
2543 	return 0;
2544 }
2545 
2546 static int snd_hdsp_put_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2547 {
2548 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2549 	int change;
2550 	int val;
2551 
2552 	if (!snd_hdsp_use_is_exclusive(hdsp))
2553 		return -EBUSY;
2554 	val = ucontrol->value.integer.value[0] & 1;
2555 	spin_lock_irq(&hdsp->lock);
2556 	change = (int)val != hdsp_aeb(hdsp);
2557 	hdsp_set_aeb(hdsp, val);
2558 	spin_unlock_irq(&hdsp->lock);
2559 	return change;
2560 }
2561 
2562 #define HDSP_PREF_SYNC_REF(xname, xindex) \
2563 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2564   .name = xname, \
2565   .index = xindex, \
2566   .info = snd_hdsp_info_pref_sync_ref, \
2567   .get = snd_hdsp_get_pref_sync_ref, \
2568   .put = snd_hdsp_put_pref_sync_ref \
2569 }
2570 
2571 static int hdsp_pref_sync_ref(struct hdsp *hdsp)
2572 {
2573 	/* Notice that this looks at the requested sync source,
2574 	   not the one actually in use.
2575 	*/
2576 
2577 	switch (hdsp->control_register & HDSP_SyncRefMask) {
2578 	case HDSP_SyncRef_ADAT1:
2579 		return HDSP_SYNC_FROM_ADAT1;
2580 	case HDSP_SyncRef_ADAT2:
2581 		return HDSP_SYNC_FROM_ADAT2;
2582 	case HDSP_SyncRef_ADAT3:
2583 		return HDSP_SYNC_FROM_ADAT3;
2584 	case HDSP_SyncRef_SPDIF:
2585 		return HDSP_SYNC_FROM_SPDIF;
2586 	case HDSP_SyncRef_WORD:
2587 		return HDSP_SYNC_FROM_WORD;
2588 	case HDSP_SyncRef_ADAT_SYNC:
2589 		return HDSP_SYNC_FROM_ADAT_SYNC;
2590 	default:
2591 		return HDSP_SYNC_FROM_WORD;
2592 	}
2593 	return 0;
2594 }
2595 
2596 static int hdsp_set_pref_sync_ref(struct hdsp *hdsp, int pref)
2597 {
2598 	hdsp->control_register &= ~HDSP_SyncRefMask;
2599 	switch (pref) {
2600 	case HDSP_SYNC_FROM_ADAT1:
2601 		hdsp->control_register &= ~HDSP_SyncRefMask; /* clear SyncRef bits */
2602 		break;
2603 	case HDSP_SYNC_FROM_ADAT2:
2604 		hdsp->control_register |= HDSP_SyncRef_ADAT2;
2605 		break;
2606 	case HDSP_SYNC_FROM_ADAT3:
2607 		hdsp->control_register |= HDSP_SyncRef_ADAT3;
2608 		break;
2609 	case HDSP_SYNC_FROM_SPDIF:
2610 		hdsp->control_register |= HDSP_SyncRef_SPDIF;
2611 		break;
2612 	case HDSP_SYNC_FROM_WORD:
2613 		hdsp->control_register |= HDSP_SyncRef_WORD;
2614 		break;
2615 	case HDSP_SYNC_FROM_ADAT_SYNC:
2616 		hdsp->control_register |= HDSP_SyncRef_ADAT_SYNC;
2617 		break;
2618 	default:
2619 		return -1;
2620 	}
2621 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2622 	return 0;
2623 }
2624 
2625 static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2626 {
2627 	static char *texts[] = {"Word", "IEC958", "ADAT1", "ADAT Sync", "ADAT2", "ADAT3" };
2628 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2629 
2630 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2631 	uinfo->count = 1;
2632 
2633 	switch (hdsp->io_type) {
2634 	case Digiface:
2635 	case H9652:
2636 		uinfo->value.enumerated.items = 6;
2637 		break;
2638 	case Multiface:
2639 		uinfo->value.enumerated.items = 4;
2640 		break;
2641 	case H9632:
2642 		uinfo->value.enumerated.items = 3;
2643 		break;
2644 	default:
2645 		return -EINVAL;
2646 	}
2647 
2648 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2649 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2650 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2651 	return 0;
2652 }
2653 
2654 static int snd_hdsp_get_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2655 {
2656 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2657 
2658 	ucontrol->value.enumerated.item[0] = hdsp_pref_sync_ref(hdsp);
2659 	return 0;
2660 }
2661 
2662 static int snd_hdsp_put_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2663 {
2664 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2665 	int change, max;
2666 	unsigned int val;
2667 
2668 	if (!snd_hdsp_use_is_exclusive(hdsp))
2669 		return -EBUSY;
2670 
2671 	switch (hdsp->io_type) {
2672 	case Digiface:
2673 	case H9652:
2674 		max = 6;
2675 		break;
2676 	case Multiface:
2677 		max = 4;
2678 		break;
2679 	case H9632:
2680 		max = 3;
2681 		break;
2682 	default:
2683 		return -EIO;
2684 	}
2685 
2686 	val = ucontrol->value.enumerated.item[0] % max;
2687 	spin_lock_irq(&hdsp->lock);
2688 	change = (int)val != hdsp_pref_sync_ref(hdsp);
2689 	hdsp_set_pref_sync_ref(hdsp, val);
2690 	spin_unlock_irq(&hdsp->lock);
2691 	return change;
2692 }
2693 
2694 #define HDSP_AUTOSYNC_REF(xname, xindex) \
2695 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2696   .name = xname, \
2697   .index = xindex, \
2698   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
2699   .info = snd_hdsp_info_autosync_ref, \
2700   .get = snd_hdsp_get_autosync_ref, \
2701 }
2702 
2703 static int hdsp_autosync_ref(struct hdsp *hdsp)
2704 {
2705 	/* This looks at the autosync selected sync reference */
2706 	unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
2707 
2708 	switch (status2 & HDSP_SelSyncRefMask) {
2709 	case HDSP_SelSyncRef_WORD:
2710 		return HDSP_AUTOSYNC_FROM_WORD;
2711 	case HDSP_SelSyncRef_ADAT_SYNC:
2712 		return HDSP_AUTOSYNC_FROM_ADAT_SYNC;
2713 	case HDSP_SelSyncRef_SPDIF:
2714 		return HDSP_AUTOSYNC_FROM_SPDIF;
2715 	case HDSP_SelSyncRefMask:
2716 		return HDSP_AUTOSYNC_FROM_NONE;
2717 	case HDSP_SelSyncRef_ADAT1:
2718 		return HDSP_AUTOSYNC_FROM_ADAT1;
2719 	case HDSP_SelSyncRef_ADAT2:
2720 		return HDSP_AUTOSYNC_FROM_ADAT2;
2721 	case HDSP_SelSyncRef_ADAT3:
2722 		return HDSP_AUTOSYNC_FROM_ADAT3;
2723 	default:
2724 		return HDSP_AUTOSYNC_FROM_WORD;
2725 	}
2726 	return 0;
2727 }
2728 
2729 static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2730 {
2731 	static char *texts[] = {"Word", "ADAT Sync", "IEC958", "None", "ADAT1", "ADAT2", "ADAT3" };
2732 
2733 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2734 	uinfo->count = 1;
2735 	uinfo->value.enumerated.items = 7;
2736 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2737 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2738 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2739 	return 0;
2740 }
2741 
2742 static int snd_hdsp_get_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2743 {
2744 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2745 
2746 	ucontrol->value.enumerated.item[0] = hdsp_autosync_ref(hdsp);
2747 	return 0;
2748 }
2749 
2750 #define HDSP_LINE_OUT(xname, xindex) \
2751 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2752   .name = xname, \
2753   .index = xindex, \
2754   .info = snd_hdsp_info_line_out, \
2755   .get = snd_hdsp_get_line_out, \
2756   .put = snd_hdsp_put_line_out \
2757 }
2758 
2759 static int hdsp_line_out(struct hdsp *hdsp)
2760 {
2761 	return (hdsp->control_register & HDSP_LineOut) ? 1 : 0;
2762 }
2763 
2764 static int hdsp_set_line_output(struct hdsp *hdsp, int out)
2765 {
2766 	if (out)
2767 		hdsp->control_register |= HDSP_LineOut;
2768 	else
2769 		hdsp->control_register &= ~HDSP_LineOut;
2770 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2771 	return 0;
2772 }
2773 
2774 #define snd_hdsp_info_line_out		snd_ctl_boolean_mono_info
2775 
2776 static int snd_hdsp_get_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2777 {
2778 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2779 
2780 	spin_lock_irq(&hdsp->lock);
2781 	ucontrol->value.integer.value[0] = hdsp_line_out(hdsp);
2782 	spin_unlock_irq(&hdsp->lock);
2783 	return 0;
2784 }
2785 
2786 static int snd_hdsp_put_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2787 {
2788 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2789 	int change;
2790 	unsigned int val;
2791 
2792 	if (!snd_hdsp_use_is_exclusive(hdsp))
2793 		return -EBUSY;
2794 	val = ucontrol->value.integer.value[0] & 1;
2795 	spin_lock_irq(&hdsp->lock);
2796 	change = (int)val != hdsp_line_out(hdsp);
2797 	hdsp_set_line_output(hdsp, val);
2798 	spin_unlock_irq(&hdsp->lock);
2799 	return change;
2800 }
2801 
2802 #define HDSP_PRECISE_POINTER(xname, xindex) \
2803 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2804   .name = xname, \
2805   .index = xindex, \
2806   .info = snd_hdsp_info_precise_pointer, \
2807   .get = snd_hdsp_get_precise_pointer, \
2808   .put = snd_hdsp_put_precise_pointer \
2809 }
2810 
2811 static int hdsp_set_precise_pointer(struct hdsp *hdsp, int precise)
2812 {
2813 	if (precise)
2814 		hdsp->precise_ptr = 1;
2815 	else
2816 		hdsp->precise_ptr = 0;
2817 	return 0;
2818 }
2819 
2820 #define snd_hdsp_info_precise_pointer		snd_ctl_boolean_mono_info
2821 
2822 static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2823 {
2824 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2825 
2826 	spin_lock_irq(&hdsp->lock);
2827 	ucontrol->value.integer.value[0] = hdsp->precise_ptr;
2828 	spin_unlock_irq(&hdsp->lock);
2829 	return 0;
2830 }
2831 
2832 static int snd_hdsp_put_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2833 {
2834 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2835 	int change;
2836 	unsigned int val;
2837 
2838 	if (!snd_hdsp_use_is_exclusive(hdsp))
2839 		return -EBUSY;
2840 	val = ucontrol->value.integer.value[0] & 1;
2841 	spin_lock_irq(&hdsp->lock);
2842 	change = (int)val != hdsp->precise_ptr;
2843 	hdsp_set_precise_pointer(hdsp, val);
2844 	spin_unlock_irq(&hdsp->lock);
2845 	return change;
2846 }
2847 
2848 #define HDSP_USE_MIDI_TASKLET(xname, xindex) \
2849 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2850   .name = xname, \
2851   .index = xindex, \
2852   .info = snd_hdsp_info_use_midi_tasklet, \
2853   .get = snd_hdsp_get_use_midi_tasklet, \
2854   .put = snd_hdsp_put_use_midi_tasklet \
2855 }
2856 
2857 static int hdsp_set_use_midi_tasklet(struct hdsp *hdsp, int use_tasklet)
2858 {
2859 	if (use_tasklet)
2860 		hdsp->use_midi_tasklet = 1;
2861 	else
2862 		hdsp->use_midi_tasklet = 0;
2863 	return 0;
2864 }
2865 
2866 #define snd_hdsp_info_use_midi_tasklet		snd_ctl_boolean_mono_info
2867 
2868 static int snd_hdsp_get_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2869 {
2870 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2871 
2872 	spin_lock_irq(&hdsp->lock);
2873 	ucontrol->value.integer.value[0] = hdsp->use_midi_tasklet;
2874 	spin_unlock_irq(&hdsp->lock);
2875 	return 0;
2876 }
2877 
2878 static int snd_hdsp_put_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2879 {
2880 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2881 	int change;
2882 	unsigned int val;
2883 
2884 	if (!snd_hdsp_use_is_exclusive(hdsp))
2885 		return -EBUSY;
2886 	val = ucontrol->value.integer.value[0] & 1;
2887 	spin_lock_irq(&hdsp->lock);
2888 	change = (int)val != hdsp->use_midi_tasklet;
2889 	hdsp_set_use_midi_tasklet(hdsp, val);
2890 	spin_unlock_irq(&hdsp->lock);
2891 	return change;
2892 }
2893 
2894 #define HDSP_MIXER(xname, xindex) \
2895 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2896   .name = xname, \
2897   .index = xindex, \
2898   .device = 0, \
2899   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
2900 		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2901   .info = snd_hdsp_info_mixer, \
2902   .get = snd_hdsp_get_mixer, \
2903   .put = snd_hdsp_put_mixer \
2904 }
2905 
2906 static int snd_hdsp_info_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2907 {
2908 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2909 	uinfo->count = 3;
2910 	uinfo->value.integer.min = 0;
2911 	uinfo->value.integer.max = 65536;
2912 	uinfo->value.integer.step = 1;
2913 	return 0;
2914 }
2915 
2916 static int snd_hdsp_get_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2917 {
2918 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2919 	int source;
2920 	int destination;
2921 	int addr;
2922 
2923 	source = ucontrol->value.integer.value[0];
2924 	destination = ucontrol->value.integer.value[1];
2925 
2926 	if (source >= hdsp->max_channels)
2927 		addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels,destination);
2928 	else
2929 		addr = hdsp_input_to_output_key(hdsp,source, destination);
2930 
2931 	spin_lock_irq(&hdsp->lock);
2932 	ucontrol->value.integer.value[2] = hdsp_read_gain (hdsp, addr);
2933 	spin_unlock_irq(&hdsp->lock);
2934 	return 0;
2935 }
2936 
2937 static int snd_hdsp_put_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2938 {
2939 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2940 	int change;
2941 	int source;
2942 	int destination;
2943 	int gain;
2944 	int addr;
2945 
2946 	if (!snd_hdsp_use_is_exclusive(hdsp))
2947 		return -EBUSY;
2948 
2949 	source = ucontrol->value.integer.value[0];
2950 	destination = ucontrol->value.integer.value[1];
2951 
2952 	if (source >= hdsp->max_channels)
2953 		addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels, destination);
2954 	else
2955 		addr = hdsp_input_to_output_key(hdsp,source, destination);
2956 
2957 	gain = ucontrol->value.integer.value[2];
2958 
2959 	spin_lock_irq(&hdsp->lock);
2960 	change = gain != hdsp_read_gain(hdsp, addr);
2961 	if (change)
2962 		hdsp_write_gain(hdsp, addr, gain);
2963 	spin_unlock_irq(&hdsp->lock);
2964 	return change;
2965 }
2966 
2967 #define HDSP_WC_SYNC_CHECK(xname, xindex) \
2968 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2969   .name = xname, \
2970   .index = xindex, \
2971   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2972   .info = snd_hdsp_info_sync_check, \
2973   .get = snd_hdsp_get_wc_sync_check \
2974 }
2975 
2976 static int snd_hdsp_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2977 {
2978 	static char *texts[] = {"No Lock", "Lock", "Sync" };
2979 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2980 	uinfo->count = 1;
2981 	uinfo->value.enumerated.items = 3;
2982 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2983 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2984 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2985 	return 0;
2986 }
2987 
2988 static int hdsp_wc_sync_check(struct hdsp *hdsp)
2989 {
2990 	int status2 = hdsp_read(hdsp, HDSP_status2Register);
2991 	if (status2 & HDSP_wc_lock) {
2992 		if (status2 & HDSP_wc_sync)
2993 			return 2;
2994 		else
2995 			 return 1;
2996 	} else
2997 		return 0;
2998 	return 0;
2999 }
3000 
3001 static int snd_hdsp_get_wc_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3002 {
3003 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3004 
3005 	ucontrol->value.enumerated.item[0] = hdsp_wc_sync_check(hdsp);
3006 	return 0;
3007 }
3008 
3009 #define HDSP_SPDIF_SYNC_CHECK(xname, xindex) \
3010 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3011   .name = xname, \
3012   .index = xindex, \
3013   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3014   .info = snd_hdsp_info_sync_check, \
3015   .get = snd_hdsp_get_spdif_sync_check \
3016 }
3017 
3018 static int hdsp_spdif_sync_check(struct hdsp *hdsp)
3019 {
3020 	int status = hdsp_read(hdsp, HDSP_statusRegister);
3021 	if (status & HDSP_SPDIFErrorFlag)
3022 		return 0;
3023 	else {
3024 		if (status & HDSP_SPDIFSync)
3025 			return 2;
3026 		else
3027 			return 1;
3028 	}
3029 	return 0;
3030 }
3031 
3032 static int snd_hdsp_get_spdif_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3033 {
3034 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3035 
3036 	ucontrol->value.enumerated.item[0] = hdsp_spdif_sync_check(hdsp);
3037 	return 0;
3038 }
3039 
3040 #define HDSP_ADATSYNC_SYNC_CHECK(xname, xindex) \
3041 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3042   .name = xname, \
3043   .index = xindex, \
3044   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3045   .info = snd_hdsp_info_sync_check, \
3046   .get = snd_hdsp_get_adatsync_sync_check \
3047 }
3048 
3049 static int hdsp_adatsync_sync_check(struct hdsp *hdsp)
3050 {
3051 	int status = hdsp_read(hdsp, HDSP_statusRegister);
3052 	if (status & HDSP_TimecodeLock) {
3053 		if (status & HDSP_TimecodeSync)
3054 			return 2;
3055 		else
3056 			return 1;
3057 	} else
3058 		return 0;
3059 }
3060 
3061 static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3062 {
3063 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3064 
3065 	ucontrol->value.enumerated.item[0] = hdsp_adatsync_sync_check(hdsp);
3066 	return 0;
3067 }
3068 
3069 #define HDSP_ADAT_SYNC_CHECK \
3070 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3071   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3072   .info = snd_hdsp_info_sync_check, \
3073   .get = snd_hdsp_get_adat_sync_check \
3074 }
3075 
3076 static int hdsp_adat_sync_check(struct hdsp *hdsp, int idx)
3077 {
3078 	int status = hdsp_read(hdsp, HDSP_statusRegister);
3079 
3080 	if (status & (HDSP_Lock0>>idx)) {
3081 		if (status & (HDSP_Sync0>>idx))
3082 			return 2;
3083 		else
3084 			return 1;
3085 	} else
3086 		return 0;
3087 }
3088 
3089 static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3090 {
3091 	int offset;
3092 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3093 
3094 	offset = ucontrol->id.index - 1;
3095 	snd_BUG_ON(offset < 0);
3096 
3097 	switch (hdsp->io_type) {
3098 	case Digiface:
3099 	case H9652:
3100 		if (offset >= 3)
3101 			return -EINVAL;
3102 		break;
3103 	case Multiface:
3104 	case H9632:
3105 		if (offset >= 1)
3106 			return -EINVAL;
3107 		break;
3108 	default:
3109 		return -EIO;
3110 	}
3111 
3112 	ucontrol->value.enumerated.item[0] = hdsp_adat_sync_check(hdsp, offset);
3113 	return 0;
3114 }
3115 
3116 #define HDSP_DDS_OFFSET(xname, xindex) \
3117 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3118   .name = xname, \
3119   .index = xindex, \
3120   .info = snd_hdsp_info_dds_offset, \
3121   .get = snd_hdsp_get_dds_offset, \
3122   .put = snd_hdsp_put_dds_offset \
3123 }
3124 
3125 static int hdsp_dds_offset(struct hdsp *hdsp)
3126 {
3127 	u64 n;
3128 	unsigned int dds_value = hdsp->dds_value;
3129 	int system_sample_rate = hdsp->system_sample_rate;
3130 
3131 	if (!dds_value)
3132 		return 0;
3133 
3134 	n = DDS_NUMERATOR;
3135 	/*
3136 	 * dds_value = n / rate
3137 	 * rate = n / dds_value
3138 	 */
3139 	n = div_u64(n, dds_value);
3140 	if (system_sample_rate >= 112000)
3141 		n *= 4;
3142 	else if (system_sample_rate >= 56000)
3143 		n *= 2;
3144 	return ((int)n) - system_sample_rate;
3145 }
3146 
3147 static int hdsp_set_dds_offset(struct hdsp *hdsp, int offset_hz)
3148 {
3149 	int rate = hdsp->system_sample_rate + offset_hz;
3150 	hdsp_set_dds_value(hdsp, rate);
3151 	return 0;
3152 }
3153 
3154 static int snd_hdsp_info_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3155 {
3156 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3157 	uinfo->count = 1;
3158 	uinfo->value.integer.min = -5000;
3159 	uinfo->value.integer.max = 5000;
3160 	return 0;
3161 }
3162 
3163 static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3164 {
3165 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3166 
3167 	ucontrol->value.enumerated.item[0] = hdsp_dds_offset(hdsp);
3168 	return 0;
3169 }
3170 
3171 static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3172 {
3173 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3174 	int change;
3175 	int val;
3176 
3177 	if (!snd_hdsp_use_is_exclusive(hdsp))
3178 		return -EBUSY;
3179 	val = ucontrol->value.enumerated.item[0];
3180 	spin_lock_irq(&hdsp->lock);
3181 	if (val != hdsp_dds_offset(hdsp))
3182 		change = (hdsp_set_dds_offset(hdsp, val) == 0) ? 1 : 0;
3183 	else
3184 		change = 0;
3185 	spin_unlock_irq(&hdsp->lock);
3186 	return change;
3187 }
3188 
3189 static struct snd_kcontrol_new snd_hdsp_9632_controls[] = {
3190 HDSP_DA_GAIN("DA Gain", 0),
3191 HDSP_AD_GAIN("AD Gain", 0),
3192 HDSP_PHONE_GAIN("Phones Gain", 0),
3193 HDSP_XLR_BREAKOUT_CABLE("XLR Breakout Cable", 0),
3194 HDSP_DDS_OFFSET("DDS Sample Rate Offset", 0)
3195 };
3196 
3197 static struct snd_kcontrol_new snd_hdsp_controls[] = {
3198 {
3199 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
3200 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
3201 	.info =		snd_hdsp_control_spdif_info,
3202 	.get =		snd_hdsp_control_spdif_get,
3203 	.put =		snd_hdsp_control_spdif_put,
3204 },
3205 {
3206 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
3207 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
3208 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
3209 	.info =		snd_hdsp_control_spdif_stream_info,
3210 	.get =		snd_hdsp_control_spdif_stream_get,
3211 	.put =		snd_hdsp_control_spdif_stream_put,
3212 },
3213 {
3214 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
3215 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
3216 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
3217 	.info =		snd_hdsp_control_spdif_mask_info,
3218 	.get =		snd_hdsp_control_spdif_mask_get,
3219 	.private_value = IEC958_AES0_NONAUDIO |
3220   			 IEC958_AES0_PROFESSIONAL |
3221 			 IEC958_AES0_CON_EMPHASIS,
3222 },
3223 {
3224 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
3225 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
3226 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
3227 	.info =		snd_hdsp_control_spdif_mask_info,
3228 	.get =		snd_hdsp_control_spdif_mask_get,
3229 	.private_value = IEC958_AES0_NONAUDIO |
3230 			 IEC958_AES0_PROFESSIONAL |
3231 			 IEC958_AES0_PRO_EMPHASIS,
3232 },
3233 HDSP_MIXER("Mixer", 0),
3234 HDSP_SPDIF_IN("IEC958 Input Connector", 0),
3235 HDSP_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
3236 HDSP_SPDIF_PROFESSIONAL("IEC958 Professional Bit", 0),
3237 HDSP_SPDIF_EMPHASIS("IEC958 Emphasis Bit", 0),
3238 HDSP_SPDIF_NON_AUDIO("IEC958 Non-audio Bit", 0),
3239 /* 'Sample Clock Source' complies with the alsa control naming scheme */
3240 HDSP_CLOCK_SOURCE("Sample Clock Source", 0),
3241 {
3242 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3243 	.name = "Sample Clock Source Locking",
3244 	.info = snd_hdsp_info_clock_source_lock,
3245 	.get = snd_hdsp_get_clock_source_lock,
3246 	.put = snd_hdsp_put_clock_source_lock,
3247 },
3248 HDSP_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
3249 HDSP_PREF_SYNC_REF("Preferred Sync Reference", 0),
3250 HDSP_AUTOSYNC_REF("AutoSync Reference", 0),
3251 HDSP_SPDIF_SAMPLE_RATE("SPDIF Sample Rate", 0),
3252 HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
3253 /* 'External Rate' complies with the alsa control naming scheme */
3254 HDSP_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
3255 HDSP_WC_SYNC_CHECK("Word Clock Lock Status", 0),
3256 HDSP_SPDIF_SYNC_CHECK("SPDIF Lock Status", 0),
3257 HDSP_ADATSYNC_SYNC_CHECK("ADAT Sync Lock Status", 0),
3258 HDSP_LINE_OUT("Line Out", 0),
3259 HDSP_PRECISE_POINTER("Precise Pointer", 0),
3260 HDSP_USE_MIDI_TASKLET("Use Midi Tasklet", 0),
3261 };
3262 
3263 
3264 static int hdsp_rpm_input12(struct hdsp *hdsp)
3265 {
3266 	switch (hdsp->control_register & HDSP_RPM_Inp12) {
3267 	case HDSP_RPM_Inp12_Phon_6dB:
3268 		return 0;
3269 	case HDSP_RPM_Inp12_Phon_n6dB:
3270 		return 2;
3271 	case HDSP_RPM_Inp12_Line_0dB:
3272 		return 3;
3273 	case HDSP_RPM_Inp12_Line_n6dB:
3274 		return 4;
3275 	}
3276 	return 1;
3277 }
3278 
3279 
3280 static int snd_hdsp_get_rpm_input12(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3281 {
3282 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3283 
3284 	ucontrol->value.enumerated.item[0] = hdsp_rpm_input12(hdsp);
3285 	return 0;
3286 }
3287 
3288 
3289 static int hdsp_set_rpm_input12(struct hdsp *hdsp, int mode)
3290 {
3291 	hdsp->control_register &= ~HDSP_RPM_Inp12;
3292 	switch (mode) {
3293 	case 0:
3294 		hdsp->control_register |= HDSP_RPM_Inp12_Phon_6dB;
3295 		break;
3296 	case 1:
3297 		break;
3298 	case 2:
3299 		hdsp->control_register |= HDSP_RPM_Inp12_Phon_n6dB;
3300 		break;
3301 	case 3:
3302 		hdsp->control_register |= HDSP_RPM_Inp12_Line_0dB;
3303 		break;
3304 	case 4:
3305 		hdsp->control_register |= HDSP_RPM_Inp12_Line_n6dB;
3306 		break;
3307 	default:
3308 		return -1;
3309 	}
3310 
3311 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3312 	return 0;
3313 }
3314 
3315 
3316 static int snd_hdsp_put_rpm_input12(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3317 {
3318 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3319 	int change;
3320 	int val;
3321 
3322 	if (!snd_hdsp_use_is_exclusive(hdsp))
3323 		return -EBUSY;
3324 	val = ucontrol->value.enumerated.item[0];
3325 	if (val < 0)
3326 		val = 0;
3327 	if (val > 4)
3328 		val = 4;
3329 	spin_lock_irq(&hdsp->lock);
3330 	if (val != hdsp_rpm_input12(hdsp))
3331 		change = (hdsp_set_rpm_input12(hdsp, val) == 0) ? 1 : 0;
3332 	else
3333 		change = 0;
3334 	spin_unlock_irq(&hdsp->lock);
3335 	return change;
3336 }
3337 
3338 
3339 static int snd_hdsp_info_rpm_input(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3340 {
3341 	static char *texts[] = {"Phono +6dB", "Phono 0dB", "Phono -6dB", "Line 0dB", "Line -6dB"};
3342 
3343 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3344 	uinfo->count = 1;
3345 	uinfo->value.enumerated.items = 5;
3346 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
3347 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
3348 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
3349 	return 0;
3350 }
3351 
3352 
3353 static int hdsp_rpm_input34(struct hdsp *hdsp)
3354 {
3355 	switch (hdsp->control_register & HDSP_RPM_Inp34) {
3356 	case HDSP_RPM_Inp34_Phon_6dB:
3357 		return 0;
3358 	case HDSP_RPM_Inp34_Phon_n6dB:
3359 		return 2;
3360 	case HDSP_RPM_Inp34_Line_0dB:
3361 		return 3;
3362 	case HDSP_RPM_Inp34_Line_n6dB:
3363 		return 4;
3364 	}
3365 	return 1;
3366 }
3367 
3368 
3369 static int snd_hdsp_get_rpm_input34(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3370 {
3371 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3372 
3373 	ucontrol->value.enumerated.item[0] = hdsp_rpm_input34(hdsp);
3374 	return 0;
3375 }
3376 
3377 
3378 static int hdsp_set_rpm_input34(struct hdsp *hdsp, int mode)
3379 {
3380 	hdsp->control_register &= ~HDSP_RPM_Inp34;
3381 	switch (mode) {
3382 	case 0:
3383 		hdsp->control_register |= HDSP_RPM_Inp34_Phon_6dB;
3384 		break;
3385 	case 1:
3386 		break;
3387 	case 2:
3388 		hdsp->control_register |= HDSP_RPM_Inp34_Phon_n6dB;
3389 		break;
3390 	case 3:
3391 		hdsp->control_register |= HDSP_RPM_Inp34_Line_0dB;
3392 		break;
3393 	case 4:
3394 		hdsp->control_register |= HDSP_RPM_Inp34_Line_n6dB;
3395 		break;
3396 	default:
3397 		return -1;
3398 	}
3399 
3400 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3401 	return 0;
3402 }
3403 
3404 
3405 static int snd_hdsp_put_rpm_input34(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3406 {
3407 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3408 	int change;
3409 	int val;
3410 
3411 	if (!snd_hdsp_use_is_exclusive(hdsp))
3412 		return -EBUSY;
3413 	val = ucontrol->value.enumerated.item[0];
3414 	if (val < 0)
3415 		val = 0;
3416 	if (val > 4)
3417 		val = 4;
3418 	spin_lock_irq(&hdsp->lock);
3419 	if (val != hdsp_rpm_input34(hdsp))
3420 		change = (hdsp_set_rpm_input34(hdsp, val) == 0) ? 1 : 0;
3421 	else
3422 		change = 0;
3423 	spin_unlock_irq(&hdsp->lock);
3424 	return change;
3425 }
3426 
3427 
3428 /* RPM Bypass switch */
3429 static int hdsp_rpm_bypass(struct hdsp *hdsp)
3430 {
3431 	return (hdsp->control_register & HDSP_RPM_Bypass) ? 1 : 0;
3432 }
3433 
3434 
3435 static int snd_hdsp_get_rpm_bypass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3436 {
3437 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3438 
3439 	ucontrol->value.integer.value[0] = hdsp_rpm_bypass(hdsp);
3440 	return 0;
3441 }
3442 
3443 
3444 static int hdsp_set_rpm_bypass(struct hdsp *hdsp, int on)
3445 {
3446 	if (on)
3447 		hdsp->control_register |= HDSP_RPM_Bypass;
3448 	else
3449 		hdsp->control_register &= ~HDSP_RPM_Bypass;
3450 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3451 	return 0;
3452 }
3453 
3454 
3455 static int snd_hdsp_put_rpm_bypass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3456 {
3457 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3458 	int change;
3459 	unsigned int val;
3460 
3461 	if (!snd_hdsp_use_is_exclusive(hdsp))
3462 		return -EBUSY;
3463 	val = ucontrol->value.integer.value[0] & 1;
3464 	spin_lock_irq(&hdsp->lock);
3465 	change = (int)val != hdsp_rpm_bypass(hdsp);
3466 	hdsp_set_rpm_bypass(hdsp, val);
3467 	spin_unlock_irq(&hdsp->lock);
3468 	return change;
3469 }
3470 
3471 
3472 static int snd_hdsp_info_rpm_bypass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3473 {
3474 	static char *texts[] = {"On", "Off"};
3475 
3476 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3477 	uinfo->count = 1;
3478 	uinfo->value.enumerated.items = 2;
3479 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
3480 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
3481 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
3482 	return 0;
3483 }
3484 
3485 
3486 /* RPM Disconnect switch */
3487 static int hdsp_rpm_disconnect(struct hdsp *hdsp)
3488 {
3489 	return (hdsp->control_register & HDSP_RPM_Disconnect) ? 1 : 0;
3490 }
3491 
3492 
3493 static int snd_hdsp_get_rpm_disconnect(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3494 {
3495 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3496 
3497 	ucontrol->value.integer.value[0] = hdsp_rpm_disconnect(hdsp);
3498 	return 0;
3499 }
3500 
3501 
3502 static int hdsp_set_rpm_disconnect(struct hdsp *hdsp, int on)
3503 {
3504 	if (on)
3505 		hdsp->control_register |= HDSP_RPM_Disconnect;
3506 	else
3507 		hdsp->control_register &= ~HDSP_RPM_Disconnect;
3508 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3509 	return 0;
3510 }
3511 
3512 
3513 static int snd_hdsp_put_rpm_disconnect(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3514 {
3515 	struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3516 	int change;
3517 	unsigned int val;
3518 
3519 	if (!snd_hdsp_use_is_exclusive(hdsp))
3520 		return -EBUSY;
3521 	val = ucontrol->value.integer.value[0] & 1;
3522 	spin_lock_irq(&hdsp->lock);
3523 	change = (int)val != hdsp_rpm_disconnect(hdsp);
3524 	hdsp_set_rpm_disconnect(hdsp, val);
3525 	spin_unlock_irq(&hdsp->lock);
3526 	return change;
3527 }
3528 
3529 static int snd_hdsp_info_rpm_disconnect(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3530 {
3531 	static char *texts[] = {"On", "Off"};
3532 
3533 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3534 	uinfo->count = 1;
3535 	uinfo->value.enumerated.items = 2;
3536 	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
3537 		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
3538 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
3539 	return 0;
3540 }
3541 
3542 static struct snd_kcontrol_new snd_hdsp_rpm_controls[] = {
3543 	{
3544 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3545 		.name = "RPM Bypass",
3546 		.get = snd_hdsp_get_rpm_bypass,
3547 		.put = snd_hdsp_put_rpm_bypass,
3548 		.info = snd_hdsp_info_rpm_bypass
3549 	},
3550 	{
3551 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3552 		.name = "RPM Disconnect",
3553 		.get = snd_hdsp_get_rpm_disconnect,
3554 		.put = snd_hdsp_put_rpm_disconnect,
3555 		.info = snd_hdsp_info_rpm_disconnect
3556 	},
3557 	{
3558 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3559 		.name = "Input 1/2",
3560 		.get = snd_hdsp_get_rpm_input12,
3561 		.put = snd_hdsp_put_rpm_input12,
3562 		.info = snd_hdsp_info_rpm_input
3563 	},
3564 	{
3565 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3566 		.name = "Input 3/4",
3567 		.get = snd_hdsp_get_rpm_input34,
3568 		.put = snd_hdsp_put_rpm_input34,
3569 		.info = snd_hdsp_info_rpm_input
3570 	},
3571 	HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
3572 	HDSP_MIXER("Mixer", 0)
3573 };
3574 
3575 static struct snd_kcontrol_new snd_hdsp_96xx_aeb = HDSP_AEB("Analog Extension Board", 0);
3576 static struct snd_kcontrol_new snd_hdsp_adat_sync_check = HDSP_ADAT_SYNC_CHECK;
3577 
3578 static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
3579 {
3580 	unsigned int idx;
3581 	int err;
3582 	struct snd_kcontrol *kctl;
3583 
3584 	if (hdsp->io_type == RPM) {
3585 		/* RPM Bypass, Disconnect and Input switches */
3586 		for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_rpm_controls); idx++) {
3587 			err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_rpm_controls[idx], hdsp));
3588 			if (err < 0)
3589 				return err;
3590 		}
3591 		return 0;
3592 	}
3593 
3594 	for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_controls); idx++) {
3595 		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_controls[idx], hdsp))) < 0)
3596 			return err;
3597 		if (idx == 1)	/* IEC958 (S/PDIF) Stream */
3598 			hdsp->spdif_ctl = kctl;
3599 	}
3600 
3601 	/* ADAT SyncCheck status */
3602 	snd_hdsp_adat_sync_check.name = "ADAT Lock Status";
3603 	snd_hdsp_adat_sync_check.index = 1;
3604 	if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3605 		return err;
3606 	if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
3607 		for (idx = 1; idx < 3; ++idx) {
3608 			snd_hdsp_adat_sync_check.index = idx+1;
3609 			if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3610 				return err;
3611 		}
3612 	}
3613 
3614 	/* DA, AD and Phone gain and XLR breakout cable controls for H9632 cards */
3615 	if (hdsp->io_type == H9632) {
3616 		for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_9632_controls); idx++) {
3617 			if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_9632_controls[idx], hdsp))) < 0)
3618 				return err;
3619 		}
3620 	}
3621 
3622 	/* AEB control for H96xx card */
3623 	if (hdsp->io_type == H9632 || hdsp->io_type == H9652) {
3624 		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_96xx_aeb, hdsp))) < 0)
3625 				return err;
3626 	}
3627 
3628 	return 0;
3629 }
3630 
3631 /*------------------------------------------------------------
3632    /proc interface
3633  ------------------------------------------------------------*/
3634 
3635 static void
3636 snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
3637 {
3638 	struct hdsp *hdsp = entry->private_data;
3639 	unsigned int status;
3640 	unsigned int status2;
3641 	char *pref_sync_ref;
3642 	char *autosync_ref;
3643 	char *system_clock_mode;
3644 	char *clock_source;
3645 	int x;
3646 
3647 	status = hdsp_read(hdsp, HDSP_statusRegister);
3648 	status2 = hdsp_read(hdsp, HDSP_status2Register);
3649 
3650 	snd_iprintf(buffer, "%s (Card #%d)\n", hdsp->card_name,
3651 		    hdsp->card->number + 1);
3652 	snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
3653 		    hdsp->capture_buffer, hdsp->playback_buffer);
3654 	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
3655 		    hdsp->irq, hdsp->port, (unsigned long)hdsp->iobase);
3656 	snd_iprintf(buffer, "Control register: 0x%x\n", hdsp->control_register);
3657 	snd_iprintf(buffer, "Control2 register: 0x%x\n",
3658 		    hdsp->control2_register);
3659 	snd_iprintf(buffer, "Status register: 0x%x\n", status);
3660 	snd_iprintf(buffer, "Status2 register: 0x%x\n", status2);
3661 
3662 	if (hdsp_check_for_iobox(hdsp)) {
3663 		snd_iprintf(buffer, "No I/O box connected.\n"
3664 			    "Please connect one and upload firmware.\n");
3665 		return;
3666 	}
3667 
3668 	if (hdsp_check_for_firmware(hdsp, 0)) {
3669 		if (hdsp->state & HDSP_FirmwareCached) {
3670 			if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
3671 				snd_iprintf(buffer, "Firmware loading from "
3672 					    "cache failed, "
3673 					    "please upload manually.\n");
3674 				return;
3675 			}
3676 		} else {
3677 			int err = -EINVAL;
3678 			err = hdsp_request_fw_loader(hdsp);
3679 			if (err < 0) {
3680 				snd_iprintf(buffer,
3681 					    "No firmware loaded nor cached, "
3682 					    "please upload firmware.\n");
3683 				return;
3684 			}
3685 		}
3686 	}
3687 
3688 	snd_iprintf(buffer, "FIFO status: %d\n", hdsp_read(hdsp, HDSP_fifoStatus) & 0xff);
3689 	snd_iprintf(buffer, "MIDI1 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut0));
3690 	snd_iprintf(buffer, "MIDI1 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn0));
3691 	snd_iprintf(buffer, "MIDI2 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut1));
3692 	snd_iprintf(buffer, "MIDI2 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn1));
3693 	snd_iprintf(buffer, "Use Midi Tasklet: %s\n", hdsp->use_midi_tasklet ? "on" : "off");
3694 
3695 	snd_iprintf(buffer, "\n");
3696 
3697 	x = 1 << (6 + hdsp_decode_latency(hdsp->control_register & HDSP_LatencyMask));
3698 
3699 	snd_iprintf(buffer, "Buffer Size (Latency): %d samples (2 periods of %lu bytes)\n", x, (unsigned long) hdsp->period_bytes);
3700 	snd_iprintf(buffer, "Hardware pointer (frames): %ld\n", hdsp_hw_pointer(hdsp));
3701 	snd_iprintf(buffer, "Precise pointer: %s\n", hdsp->precise_ptr ? "on" : "off");
3702 	snd_iprintf(buffer, "Line out: %s\n", (hdsp->control_register & HDSP_LineOut) ? "on" : "off");
3703 
3704 	snd_iprintf(buffer, "Firmware version: %d\n", (status2&HDSP_version0)|(status2&HDSP_version1)<<1|(status2&HDSP_version2)<<2);
3705 
3706 	snd_iprintf(buffer, "\n");
3707 
3708 	switch (hdsp_clock_source(hdsp)) {
3709 	case HDSP_CLOCK_SOURCE_AUTOSYNC:
3710 		clock_source = "AutoSync";
3711 		break;
3712 	case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
3713 		clock_source = "Internal 32 kHz";
3714 		break;
3715 	case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
3716 		clock_source = "Internal 44.1 kHz";
3717 		break;
3718 	case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
3719 		clock_source = "Internal 48 kHz";
3720 		break;
3721 	case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
3722 		clock_source = "Internal 64 kHz";
3723 		break;
3724 	case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
3725 		clock_source = "Internal 88.2 kHz";
3726 		break;
3727 	case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
3728 		clock_source = "Internal 96 kHz";
3729 		break;
3730 	case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
3731 		clock_source = "Internal 128 kHz";
3732 		break;
3733 	case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
3734 		clock_source = "Internal 176.4 kHz";
3735 		break;
3736 		case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
3737 		clock_source = "Internal 192 kHz";
3738 		break;
3739 	default:
3740 		clock_source = "Error";
3741 	}
3742 	snd_iprintf (buffer, "Sample Clock Source: %s\n", clock_source);
3743 
3744 	if (hdsp_system_clock_mode(hdsp))
3745 		system_clock_mode = "Slave";
3746 	else
3747 		system_clock_mode = "Master";
3748 
3749 	switch (hdsp_pref_sync_ref (hdsp)) {
3750 	case HDSP_SYNC_FROM_WORD:
3751 		pref_sync_ref = "Word Clock";
3752 		break;
3753 	case HDSP_SYNC_FROM_ADAT_SYNC:
3754 		pref_sync_ref = "ADAT Sync";
3755 		break;
3756 	case HDSP_SYNC_FROM_SPDIF:
3757 		pref_sync_ref = "SPDIF";
3758 		break;
3759 	case HDSP_SYNC_FROM_ADAT1:
3760 		pref_sync_ref = "ADAT1";
3761 		break;
3762 	case HDSP_SYNC_FROM_ADAT2:
3763 		pref_sync_ref = "ADAT2";
3764 		break;
3765 	case HDSP_SYNC_FROM_ADAT3:
3766 		pref_sync_ref = "ADAT3";
3767 		break;
3768 	default:
3769 		pref_sync_ref = "Word Clock";
3770 		break;
3771 	}
3772 	snd_iprintf (buffer, "Preferred Sync Reference: %s\n", pref_sync_ref);
3773 
3774 	switch (hdsp_autosync_ref (hdsp)) {
3775 	case HDSP_AUTOSYNC_FROM_WORD:
3776 		autosync_ref = "Word Clock";
3777 		break;
3778 	case HDSP_AUTOSYNC_FROM_ADAT_SYNC:
3779 		autosync_ref = "ADAT Sync";
3780 		break;
3781 	case HDSP_AUTOSYNC_FROM_SPDIF:
3782 		autosync_ref = "SPDIF";
3783 		break;
3784 	case HDSP_AUTOSYNC_FROM_NONE:
3785 		autosync_ref = "None";
3786 		break;
3787 	case HDSP_AUTOSYNC_FROM_ADAT1:
3788 		autosync_ref = "ADAT1";
3789 		break;
3790 	case HDSP_AUTOSYNC_FROM_ADAT2:
3791 		autosync_ref = "ADAT2";
3792 		break;
3793 	case HDSP_AUTOSYNC_FROM_ADAT3:
3794 		autosync_ref = "ADAT3";
3795 		break;
3796 	default:
3797 		autosync_ref = "---";
3798 		break;
3799 	}
3800 	snd_iprintf (buffer, "AutoSync Reference: %s\n", autosync_ref);
3801 
3802 	snd_iprintf (buffer, "AutoSync Frequency: %d\n", hdsp_external_sample_rate(hdsp));
3803 
3804 	snd_iprintf (buffer, "System Clock Mode: %s\n", system_clock_mode);
3805 
3806 	snd_iprintf (buffer, "System Clock Frequency: %d\n", hdsp->system_sample_rate);
3807 	snd_iprintf (buffer, "System Clock Locked: %s\n", hdsp->clock_source_locked ? "Yes" : "No");
3808 
3809 	snd_iprintf(buffer, "\n");
3810 
3811 	if (hdsp->io_type != RPM) {
3812 		switch (hdsp_spdif_in(hdsp)) {
3813 		case HDSP_SPDIFIN_OPTICAL:
3814 			snd_iprintf(buffer, "IEC958 input: Optical\n");
3815 			break;
3816 		case HDSP_SPDIFIN_COAXIAL:
3817 			snd_iprintf(buffer, "IEC958 input: Coaxial\n");
3818 			break;
3819 		case HDSP_SPDIFIN_INTERNAL:
3820 			snd_iprintf(buffer, "IEC958 input: Internal\n");
3821 			break;
3822 		case HDSP_SPDIFIN_AES:
3823 			snd_iprintf(buffer, "IEC958 input: AES\n");
3824 			break;
3825 		default:
3826 			snd_iprintf(buffer, "IEC958 input: ???\n");
3827 			break;
3828 		}
3829 	}
3830 
3831 	if (RPM == hdsp->io_type) {
3832 		if (hdsp->control_register & HDSP_RPM_Bypass)
3833 			snd_iprintf(buffer, "RPM Bypass: disabled\n");
3834 		else
3835 			snd_iprintf(buffer, "RPM Bypass: enabled\n");
3836 		if (hdsp->control_register & HDSP_RPM_Disconnect)
3837 			snd_iprintf(buffer, "RPM disconnected\n");
3838 		else
3839 			snd_iprintf(buffer, "RPM connected\n");
3840 
3841 		switch (hdsp->control_register & HDSP_RPM_Inp12) {
3842 		case HDSP_RPM_Inp12_Phon_6dB:
3843 			snd_iprintf(buffer, "Input 1/2: Phono, 6dB\n");
3844 			break;
3845 		case HDSP_RPM_Inp12_Phon_0dB:
3846 			snd_iprintf(buffer, "Input 1/2: Phono, 0dB\n");
3847 			break;
3848 		case HDSP_RPM_Inp12_Phon_n6dB:
3849 			snd_iprintf(buffer, "Input 1/2: Phono, -6dB\n");
3850 			break;
3851 		case HDSP_RPM_Inp12_Line_0dB:
3852 			snd_iprintf(buffer, "Input 1/2: Line, 0dB\n");
3853 			break;
3854 		case HDSP_RPM_Inp12_Line_n6dB:
3855 			snd_iprintf(buffer, "Input 1/2: Line, -6dB\n");
3856 			break;
3857 		default:
3858 			snd_iprintf(buffer, "Input 1/2: ???\n");
3859 		}
3860 
3861 		switch (hdsp->control_register & HDSP_RPM_Inp34) {
3862 		case HDSP_RPM_Inp34_Phon_6dB:
3863 			snd_iprintf(buffer, "Input 3/4: Phono, 6dB\n");
3864 			break;
3865 		case HDSP_RPM_Inp34_Phon_0dB:
3866 			snd_iprintf(buffer, "Input 3/4: Phono, 0dB\n");
3867 			break;
3868 		case HDSP_RPM_Inp34_Phon_n6dB:
3869 			snd_iprintf(buffer, "Input 3/4: Phono, -6dB\n");
3870 			break;
3871 		case HDSP_RPM_Inp34_Line_0dB:
3872 			snd_iprintf(buffer, "Input 3/4: Line, 0dB\n");
3873 			break;
3874 		case HDSP_RPM_Inp34_Line_n6dB:
3875 			snd_iprintf(buffer, "Input 3/4: Line, -6dB\n");
3876 			break;
3877 		default:
3878 			snd_iprintf(buffer, "Input 3/4: ???\n");
3879 		}
3880 
3881 	} else {
3882 		if (hdsp->control_register & HDSP_SPDIFOpticalOut)
3883 			snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
3884 		else
3885 			snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
3886 
3887 		if (hdsp->control_register & HDSP_SPDIFProfessional)
3888 			snd_iprintf(buffer, "IEC958 quality: Professional\n");
3889 		else
3890 			snd_iprintf(buffer, "IEC958 quality: Consumer\n");
3891 
3892 		if (hdsp->control_register & HDSP_SPDIFEmphasis)
3893 			snd_iprintf(buffer, "IEC958 emphasis: on\n");
3894 		else
3895 			snd_iprintf(buffer, "IEC958 emphasis: off\n");
3896 
3897 		if (hdsp->control_register & HDSP_SPDIFNonAudio)
3898 			snd_iprintf(buffer, "IEC958 NonAudio: on\n");
3899 		else
3900 			snd_iprintf(buffer, "IEC958 NonAudio: off\n");
3901 		x = hdsp_spdif_sample_rate(hdsp);
3902 		if (x != 0)
3903 			snd_iprintf(buffer, "IEC958 sample rate: %d\n", x);
3904 		else
3905 			snd_iprintf(buffer, "IEC958 sample rate: Error flag set\n");
3906 	}
3907 	snd_iprintf(buffer, "\n");
3908 
3909 	/* Sync Check */
3910 	x = status & HDSP_Sync0;
3911 	if (status & HDSP_Lock0)
3912 		snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
3913 	else
3914 		snd_iprintf(buffer, "ADAT1: No Lock\n");
3915 
3916 	switch (hdsp->io_type) {
3917 	case Digiface:
3918 	case H9652:
3919 		x = status & HDSP_Sync1;
3920 		if (status & HDSP_Lock1)
3921 			snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
3922 		else
3923 			snd_iprintf(buffer, "ADAT2: No Lock\n");
3924 		x = status & HDSP_Sync2;
3925 		if (status & HDSP_Lock2)
3926 			snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
3927 		else
3928 			snd_iprintf(buffer, "ADAT3: No Lock\n");
3929 		break;
3930 	default:
3931 		/* relax */
3932 		break;
3933 	}
3934 
3935 	x = status & HDSP_SPDIFSync;
3936 	if (status & HDSP_SPDIFErrorFlag)
3937 		snd_iprintf (buffer, "SPDIF: No Lock\n");
3938 	else
3939 		snd_iprintf (buffer, "SPDIF: %s\n", x ? "Sync" : "Lock");
3940 
3941 	x = status2 & HDSP_wc_sync;
3942 	if (status2 & HDSP_wc_lock)
3943 		snd_iprintf (buffer, "Word Clock: %s\n", x ? "Sync" : "Lock");
3944 	else
3945 		snd_iprintf (buffer, "Word Clock: No Lock\n");
3946 
3947 	x = status & HDSP_TimecodeSync;
3948 	if (status & HDSP_TimecodeLock)
3949 		snd_iprintf(buffer, "ADAT Sync: %s\n", x ? "Sync" : "Lock");
3950 	else
3951 		snd_iprintf(buffer, "ADAT Sync: No Lock\n");
3952 
3953 	snd_iprintf(buffer, "\n");
3954 
3955 	/* Informations about H9632 specific controls */
3956 	if (hdsp->io_type == H9632) {
3957 		char *tmp;
3958 
3959 		switch (hdsp_ad_gain(hdsp)) {
3960 		case 0:
3961 			tmp = "-10 dBV";
3962 			break;
3963 		case 1:
3964 			tmp = "+4 dBu";
3965 			break;
3966 		default:
3967 			tmp = "Lo Gain";
3968 			break;
3969 		}
3970 		snd_iprintf(buffer, "AD Gain : %s\n", tmp);
3971 
3972 		switch (hdsp_da_gain(hdsp)) {
3973 		case 0:
3974 			tmp = "Hi Gain";
3975 			break;
3976 		case 1:
3977 			tmp = "+4 dBu";
3978 			break;
3979 		default:
3980 			tmp = "-10 dBV";
3981 			break;
3982 		}
3983 		snd_iprintf(buffer, "DA Gain : %s\n", tmp);
3984 
3985 		switch (hdsp_phone_gain(hdsp)) {
3986 		case 0:
3987 			tmp = "0 dB";
3988 			break;
3989 		case 1:
3990 			tmp = "-6 dB";
3991 			break;
3992 		default:
3993 			tmp = "-12 dB";
3994 			break;
3995 		}
3996 		snd_iprintf(buffer, "Phones Gain : %s\n", tmp);
3997 
3998 		snd_iprintf(buffer, "XLR Breakout Cable : %s\n", hdsp_xlr_breakout_cable(hdsp) ? "yes" : "no");
3999 
4000 		if (hdsp->control_register & HDSP_AnalogExtensionBoard)
4001 			snd_iprintf(buffer, "AEB : on (ADAT1 internal)\n");
4002 		else
4003 			snd_iprintf(buffer, "AEB : off (ADAT1 external)\n");
4004 		snd_iprintf(buffer, "\n");
4005 	}
4006 
4007 }
4008 
4009 static void snd_hdsp_proc_init(struct hdsp *hdsp)
4010 {
4011 	struct snd_info_entry *entry;
4012 
4013 	if (! snd_card_proc_new(hdsp->card, "hdsp", &entry))
4014 		snd_info_set_text_ops(entry, hdsp, snd_hdsp_proc_read);
4015 }
4016 
4017 static void snd_hdsp_free_buffers(struct hdsp *hdsp)
4018 {
4019 	snd_hammerfall_free_buffer(&hdsp->capture_dma_buf, hdsp->pci);
4020 	snd_hammerfall_free_buffer(&hdsp->playback_dma_buf, hdsp->pci);
4021 }
4022 
4023 static int snd_hdsp_initialize_memory(struct hdsp *hdsp)
4024 {
4025 	unsigned long pb_bus, cb_bus;
4026 
4027 	if (snd_hammerfall_get_buffer(hdsp->pci, &hdsp->capture_dma_buf, HDSP_DMA_AREA_BYTES) < 0 ||
4028 	    snd_hammerfall_get_buffer(hdsp->pci, &hdsp->playback_dma_buf, HDSP_DMA_AREA_BYTES) < 0) {
4029 		if (hdsp->capture_dma_buf.area)
4030 			snd_dma_free_pages(&hdsp->capture_dma_buf);
4031 		printk(KERN_ERR "%s: no buffers available\n", hdsp->card_name);
4032 		return -ENOMEM;
4033 	}
4034 
4035 	/* Align to bus-space 64K boundary */
4036 
4037 	cb_bus = ALIGN(hdsp->capture_dma_buf.addr, 0x10000ul);
4038 	pb_bus = ALIGN(hdsp->playback_dma_buf.addr, 0x10000ul);
4039 
4040 	/* Tell the card where it is */
4041 
4042 	hdsp_write(hdsp, HDSP_inputBufferAddress, cb_bus);
4043 	hdsp_write(hdsp, HDSP_outputBufferAddress, pb_bus);
4044 
4045 	hdsp->capture_buffer = hdsp->capture_dma_buf.area + (cb_bus - hdsp->capture_dma_buf.addr);
4046 	hdsp->playback_buffer = hdsp->playback_dma_buf.area + (pb_bus - hdsp->playback_dma_buf.addr);
4047 
4048 	return 0;
4049 }
4050 
4051 static int snd_hdsp_set_defaults(struct hdsp *hdsp)
4052 {
4053 	unsigned int i;
4054 
4055 	/* ASSUMPTION: hdsp->lock is either held, or
4056 	   there is no need to hold it (e.g. during module
4057 	   initialization).
4058 	 */
4059 
4060 	/* set defaults:
4061 
4062 	   SPDIF Input via Coax
4063 	   Master clock mode
4064 	   maximum latency (7 => 2^7 = 8192 samples, 64Kbyte buffer,
4065 	                    which implies 2 4096 sample, 32Kbyte periods).
4066            Enable line out.
4067 	 */
4068 
4069 	hdsp->control_register = HDSP_ClockModeMaster |
4070 		                 HDSP_SPDIFInputCoaxial |
4071 		                 hdsp_encode_latency(7) |
4072 		                 HDSP_LineOut;
4073 
4074 
4075 	hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
4076 
4077 #ifdef SNDRV_BIG_ENDIAN
4078 	hdsp->control2_register = HDSP_BIGENDIAN_MODE;
4079 #else
4080 	hdsp->control2_register = 0;
4081 #endif
4082 	if (hdsp->io_type == H9652)
4083 	        snd_hdsp_9652_enable_mixer (hdsp);
4084 	else
4085 		hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
4086 
4087 	hdsp_reset_hw_pointer(hdsp);
4088 	hdsp_compute_period_size(hdsp);
4089 
4090 	/* silence everything */
4091 
4092 	for (i = 0; i < HDSP_MATRIX_MIXER_SIZE; ++i)
4093 		hdsp->mixer_matrix[i] = MINUS_INFINITY_GAIN;
4094 
4095 	for (i = 0; i < ((hdsp->io_type == H9652 || hdsp->io_type == H9632) ? 1352 : HDSP_MATRIX_MIXER_SIZE); ++i) {
4096 		if (hdsp_write_gain (hdsp, i, MINUS_INFINITY_GAIN))
4097 			return -EIO;
4098 	}
4099 
4100 	/* H9632 specific defaults */
4101 	if (hdsp->io_type == H9632) {
4102 		hdsp->control_register |= (HDSP_DAGainPlus4dBu | HDSP_ADGainPlus4dBu | HDSP_PhoneGain0dB);
4103 		hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
4104 	}
4105 
4106 	/* set a default rate so that the channel map is set up.
4107 	 */
4108 
4109 	hdsp_set_rate(hdsp, 48000, 1);
4110 
4111 	return 0;
4112 }
4113 
4114 static void hdsp_midi_tasklet(unsigned long arg)
4115 {
4116 	struct hdsp *hdsp = (struct hdsp *)arg;
4117 
4118 	if (hdsp->midi[0].pending)
4119 		snd_hdsp_midi_input_read (&hdsp->midi[0]);
4120 	if (hdsp->midi[1].pending)
4121 		snd_hdsp_midi_input_read (&hdsp->midi[1]);
4122 }
4123 
4124 static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
4125 {
4126 	struct hdsp *hdsp = (struct hdsp *) dev_id;
4127 	unsigned int status;
4128 	int audio;
4129 	int midi0;
4130 	int midi1;
4131 	unsigned int midi0status;
4132 	unsigned int midi1status;
4133 	int schedule = 0;
4134 
4135 	status = hdsp_read(hdsp, HDSP_statusRegister);
4136 
4137 	audio = status & HDSP_audioIRQPending;
4138 	midi0 = status & HDSP_midi0IRQPending;
4139 	midi1 = status & HDSP_midi1IRQPending;
4140 
4141 	if (!audio && !midi0 && !midi1)
4142 		return IRQ_NONE;
4143 
4144 	hdsp_write(hdsp, HDSP_interruptConfirmation, 0);
4145 
4146 	midi0status = hdsp_read (hdsp, HDSP_midiStatusIn0) & 0xff;
4147 	midi1status = hdsp_read (hdsp, HDSP_midiStatusIn1) & 0xff;
4148 
4149 	if (!(hdsp->state & HDSP_InitializationComplete))
4150 		return IRQ_HANDLED;
4151 
4152 	if (audio) {
4153 		if (hdsp->capture_substream)
4154 			snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
4155 
4156 		if (hdsp->playback_substream)
4157 			snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
4158 	}
4159 
4160 	if (midi0 && midi0status) {
4161 		if (hdsp->use_midi_tasklet) {
4162 			/* we disable interrupts for this input until processing is done */
4163 			hdsp->control_register &= ~HDSP_Midi0InterruptEnable;
4164 			hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
4165 			hdsp->midi[0].pending = 1;
4166 			schedule = 1;
4167 		} else {
4168 			snd_hdsp_midi_input_read (&hdsp->midi[0]);
4169 		}
4170 	}
4171 	if (hdsp->io_type != Multiface && hdsp->io_type != RPM && hdsp->io_type != H9632 && midi1 && midi1status) {
4172 		if (hdsp->use_midi_tasklet) {
4173 			/* we disable interrupts for this input until processing is done */
4174 			hdsp->control_register &= ~HDSP_Midi1InterruptEnable;
4175 			hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
4176 			hdsp->midi[1].pending = 1;
4177 			schedule = 1;
4178 		} else {
4179 			snd_hdsp_midi_input_read (&hdsp->midi[1]);
4180 		}
4181 	}
4182 	if (hdsp->use_midi_tasklet && schedule)
4183 		tasklet_schedule(&hdsp->midi_tasklet);
4184 	return IRQ_HANDLED;
4185 }
4186 
4187 static snd_pcm_uframes_t snd_hdsp_hw_pointer(struct snd_pcm_substream *substream)
4188 {
4189 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4190 	return hdsp_hw_pointer(hdsp);
4191 }
4192 
4193 static char *hdsp_channel_buffer_location(struct hdsp *hdsp,
4194 					     int stream,
4195 					     int channel)
4196 
4197 {
4198 	int mapped_channel;
4199 
4200         if (snd_BUG_ON(channel < 0 || channel >= hdsp->max_channels))
4201 		return NULL;
4202 
4203 	if ((mapped_channel = hdsp->channel_map[channel]) < 0)
4204 		return NULL;
4205 
4206 	if (stream == SNDRV_PCM_STREAM_CAPTURE)
4207 		return hdsp->capture_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
4208 	else
4209 		return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
4210 }
4211 
4212 static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel,
4213 				  snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
4214 {
4215 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4216 	char *channel_buf;
4217 
4218 	if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4))
4219 		return -EINVAL;
4220 
4221 	channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
4222 	if (snd_BUG_ON(!channel_buf))
4223 		return -EIO;
4224 	if (copy_from_user(channel_buf + pos * 4, src, count * 4))
4225 		return -EFAULT;
4226 	return count;
4227 }
4228 
4229 static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel,
4230 				 snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
4231 {
4232 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4233 	char *channel_buf;
4234 
4235 	if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4))
4236 		return -EINVAL;
4237 
4238 	channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
4239 	if (snd_BUG_ON(!channel_buf))
4240 		return -EIO;
4241 	if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
4242 		return -EFAULT;
4243 	return count;
4244 }
4245 
4246 static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel,
4247 				  snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
4248 {
4249 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4250 	char *channel_buf;
4251 
4252 	channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
4253 	if (snd_BUG_ON(!channel_buf))
4254 		return -EIO;
4255 	memset(channel_buf + pos * 4, 0, count * 4);
4256 	return count;
4257 }
4258 
4259 static int snd_hdsp_reset(struct snd_pcm_substream *substream)
4260 {
4261 	struct snd_pcm_runtime *runtime = substream->runtime;
4262 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4263 	struct snd_pcm_substream *other;
4264 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4265 		other = hdsp->capture_substream;
4266 	else
4267 		other = hdsp->playback_substream;
4268 	if (hdsp->running)
4269 		runtime->status->hw_ptr = hdsp_hw_pointer(hdsp);
4270 	else
4271 		runtime->status->hw_ptr = 0;
4272 	if (other) {
4273 		struct snd_pcm_substream *s;
4274 		struct snd_pcm_runtime *oruntime = other->runtime;
4275 		snd_pcm_group_for_each_entry(s, substream) {
4276 			if (s == other) {
4277 				oruntime->status->hw_ptr = runtime->status->hw_ptr;
4278 				break;
4279 			}
4280 		}
4281 	}
4282 	return 0;
4283 }
4284 
4285 static int snd_hdsp_hw_params(struct snd_pcm_substream *substream,
4286 				 struct snd_pcm_hw_params *params)
4287 {
4288 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4289 	int err;
4290 	pid_t this_pid;
4291 	pid_t other_pid;
4292 
4293 	if (hdsp_check_for_iobox (hdsp))
4294 		return -EIO;
4295 
4296 	if (hdsp_check_for_firmware(hdsp, 1))
4297 		return -EIO;
4298 
4299 	spin_lock_irq(&hdsp->lock);
4300 
4301 	if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
4302 		hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
4303 		hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= hdsp->creg_spdif_stream);
4304 		this_pid = hdsp->playback_pid;
4305 		other_pid = hdsp->capture_pid;
4306 	} else {
4307 		this_pid = hdsp->capture_pid;
4308 		other_pid = hdsp->playback_pid;
4309 	}
4310 
4311 	if ((other_pid > 0) && (this_pid != other_pid)) {
4312 
4313 		/* The other stream is open, and not by the same
4314 		   task as this one. Make sure that the parameters
4315 		   that matter are the same.
4316 		 */
4317 
4318 		if (params_rate(params) != hdsp->system_sample_rate) {
4319 			spin_unlock_irq(&hdsp->lock);
4320 			_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
4321 			return -EBUSY;
4322 		}
4323 
4324 		if (params_period_size(params) != hdsp->period_bytes / 4) {
4325 			spin_unlock_irq(&hdsp->lock);
4326 			_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
4327 			return -EBUSY;
4328 		}
4329 
4330 		/* We're fine. */
4331 
4332 		spin_unlock_irq(&hdsp->lock);
4333  		return 0;
4334 
4335 	} else {
4336 		spin_unlock_irq(&hdsp->lock);
4337 	}
4338 
4339 	/* how to make sure that the rate matches an externally-set one ?
4340 	 */
4341 
4342 	spin_lock_irq(&hdsp->lock);
4343 	if (! hdsp->clock_source_locked) {
4344 		if ((err = hdsp_set_rate(hdsp, params_rate(params), 0)) < 0) {
4345 			spin_unlock_irq(&hdsp->lock);
4346 			_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
4347 			return err;
4348 		}
4349 	}
4350 	spin_unlock_irq(&hdsp->lock);
4351 
4352 	if ((err = hdsp_set_interrupt_interval(hdsp, params_period_size(params))) < 0) {
4353 		_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
4354 		return err;
4355 	}
4356 
4357 	return 0;
4358 }
4359 
4360 static int snd_hdsp_channel_info(struct snd_pcm_substream *substream,
4361 				    struct snd_pcm_channel_info *info)
4362 {
4363 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4364 	int mapped_channel;
4365 
4366 	if (snd_BUG_ON(info->channel >= hdsp->max_channels))
4367 		return -EINVAL;
4368 
4369 	if ((mapped_channel = hdsp->channel_map[info->channel]) < 0)
4370 		return -EINVAL;
4371 
4372 	info->offset = mapped_channel * HDSP_CHANNEL_BUFFER_BYTES;
4373 	info->first = 0;
4374 	info->step = 32;
4375 	return 0;
4376 }
4377 
4378 static int snd_hdsp_ioctl(struct snd_pcm_substream *substream,
4379 			     unsigned int cmd, void *arg)
4380 {
4381 	switch (cmd) {
4382 	case SNDRV_PCM_IOCTL1_RESET:
4383 		return snd_hdsp_reset(substream);
4384 	case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
4385 		return snd_hdsp_channel_info(substream, arg);
4386 	default:
4387 		break;
4388 	}
4389 
4390 	return snd_pcm_lib_ioctl(substream, cmd, arg);
4391 }
4392 
4393 static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd)
4394 {
4395 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4396 	struct snd_pcm_substream *other;
4397 	int running;
4398 
4399 	if (hdsp_check_for_iobox (hdsp))
4400 		return -EIO;
4401 
4402 	if (hdsp_check_for_firmware(hdsp, 0)) /* no auto-loading in trigger */
4403 		return -EIO;
4404 
4405 	spin_lock(&hdsp->lock);
4406 	running = hdsp->running;
4407 	switch (cmd) {
4408 	case SNDRV_PCM_TRIGGER_START:
4409 		running |= 1 << substream->stream;
4410 		break;
4411 	case SNDRV_PCM_TRIGGER_STOP:
4412 		running &= ~(1 << substream->stream);
4413 		break;
4414 	default:
4415 		snd_BUG();
4416 		spin_unlock(&hdsp->lock);
4417 		return -EINVAL;
4418 	}
4419 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4420 		other = hdsp->capture_substream;
4421 	else
4422 		other = hdsp->playback_substream;
4423 
4424 	if (other) {
4425 		struct snd_pcm_substream *s;
4426 		snd_pcm_group_for_each_entry(s, substream) {
4427 			if (s == other) {
4428 				snd_pcm_trigger_done(s, substream);
4429 				if (cmd == SNDRV_PCM_TRIGGER_START)
4430 					running |= 1 << s->stream;
4431 				else
4432 					running &= ~(1 << s->stream);
4433 				goto _ok;
4434 			}
4435 		}
4436 		if (cmd == SNDRV_PCM_TRIGGER_START) {
4437 			if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
4438 			    substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4439 				hdsp_silence_playback(hdsp);
4440 		} else {
4441 			if (running &&
4442 			    substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4443 				hdsp_silence_playback(hdsp);
4444 		}
4445 	} else {
4446 		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4447 				hdsp_silence_playback(hdsp);
4448 	}
4449  _ok:
4450 	snd_pcm_trigger_done(substream, substream);
4451 	if (!hdsp->running && running)
4452 		hdsp_start_audio(hdsp);
4453 	else if (hdsp->running && !running)
4454 		hdsp_stop_audio(hdsp);
4455 	hdsp->running = running;
4456 	spin_unlock(&hdsp->lock);
4457 
4458 	return 0;
4459 }
4460 
4461 static int snd_hdsp_prepare(struct snd_pcm_substream *substream)
4462 {
4463 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4464 	int result = 0;
4465 
4466 	if (hdsp_check_for_iobox (hdsp))
4467 		return -EIO;
4468 
4469 	if (hdsp_check_for_firmware(hdsp, 1))
4470 		return -EIO;
4471 
4472 	spin_lock_irq(&hdsp->lock);
4473 	if (!hdsp->running)
4474 		hdsp_reset_hw_pointer(hdsp);
4475 	spin_unlock_irq(&hdsp->lock);
4476 	return result;
4477 }
4478 
4479 static struct snd_pcm_hardware snd_hdsp_playback_subinfo =
4480 {
4481 	.info =			(SNDRV_PCM_INFO_MMAP |
4482 				 SNDRV_PCM_INFO_MMAP_VALID |
4483 				 SNDRV_PCM_INFO_NONINTERLEAVED |
4484 				 SNDRV_PCM_INFO_SYNC_START |
4485 				 SNDRV_PCM_INFO_DOUBLE),
4486 #ifdef SNDRV_BIG_ENDIAN
4487 	.formats =		SNDRV_PCM_FMTBIT_S32_BE,
4488 #else
4489 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
4490 #endif
4491 	.rates =		(SNDRV_PCM_RATE_32000 |
4492 				 SNDRV_PCM_RATE_44100 |
4493 				 SNDRV_PCM_RATE_48000 |
4494 				 SNDRV_PCM_RATE_64000 |
4495 				 SNDRV_PCM_RATE_88200 |
4496 				 SNDRV_PCM_RATE_96000),
4497 	.rate_min =		32000,
4498 	.rate_max =		96000,
4499 	.channels_min =		6,
4500 	.channels_max =		HDSP_MAX_CHANNELS,
4501 	.buffer_bytes_max =	HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4502 	.period_bytes_min =	(64 * 4) * 10,
4503 	.period_bytes_max =	(8192 * 4) * HDSP_MAX_CHANNELS,
4504 	.periods_min =		2,
4505 	.periods_max =		2,
4506 	.fifo_size =		0
4507 };
4508 
4509 static struct snd_pcm_hardware snd_hdsp_capture_subinfo =
4510 {
4511 	.info =			(SNDRV_PCM_INFO_MMAP |
4512 				 SNDRV_PCM_INFO_MMAP_VALID |
4513 				 SNDRV_PCM_INFO_NONINTERLEAVED |
4514 				 SNDRV_PCM_INFO_SYNC_START),
4515 #ifdef SNDRV_BIG_ENDIAN
4516 	.formats =		SNDRV_PCM_FMTBIT_S32_BE,
4517 #else
4518 	.formats =		SNDRV_PCM_FMTBIT_S32_LE,
4519 #endif
4520 	.rates =		(SNDRV_PCM_RATE_32000 |
4521 				 SNDRV_PCM_RATE_44100 |
4522 				 SNDRV_PCM_RATE_48000 |
4523 				 SNDRV_PCM_RATE_64000 |
4524 				 SNDRV_PCM_RATE_88200 |
4525 				 SNDRV_PCM_RATE_96000),
4526 	.rate_min =		32000,
4527 	.rate_max =		96000,
4528 	.channels_min =		5,
4529 	.channels_max =		HDSP_MAX_CHANNELS,
4530 	.buffer_bytes_max =	HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4531 	.period_bytes_min =	(64 * 4) * 10,
4532 	.period_bytes_max =	(8192 * 4) * HDSP_MAX_CHANNELS,
4533 	.periods_min =		2,
4534 	.periods_max =		2,
4535 	.fifo_size =		0
4536 };
4537 
4538 static unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
4539 
4540 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = {
4541 	.count = ARRAY_SIZE(hdsp_period_sizes),
4542 	.list = hdsp_period_sizes,
4543 	.mask = 0
4544 };
4545 
4546 static unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 };
4547 
4548 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = {
4549 	.count = ARRAY_SIZE(hdsp_9632_sample_rates),
4550 	.list = hdsp_9632_sample_rates,
4551 	.mask = 0
4552 };
4553 
4554 static int snd_hdsp_hw_rule_in_channels(struct snd_pcm_hw_params *params,
4555 					struct snd_pcm_hw_rule *rule)
4556 {
4557 	struct hdsp *hdsp = rule->private;
4558 	struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4559 	if (hdsp->io_type == H9632) {
4560 		unsigned int list[3];
4561 		list[0] = hdsp->qs_in_channels;
4562 		list[1] = hdsp->ds_in_channels;
4563 		list[2] = hdsp->ss_in_channels;
4564 		return snd_interval_list(c, 3, list, 0);
4565 	} else {
4566 		unsigned int list[2];
4567 		list[0] = hdsp->ds_in_channels;
4568 		list[1] = hdsp->ss_in_channels;
4569 		return snd_interval_list(c, 2, list, 0);
4570 	}
4571 }
4572 
4573 static int snd_hdsp_hw_rule_out_channels(struct snd_pcm_hw_params *params,
4574 					struct snd_pcm_hw_rule *rule)
4575 {
4576 	unsigned int list[3];
4577 	struct hdsp *hdsp = rule->private;
4578 	struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4579 	if (hdsp->io_type == H9632) {
4580 		list[0] = hdsp->qs_out_channels;
4581 		list[1] = hdsp->ds_out_channels;
4582 		list[2] = hdsp->ss_out_channels;
4583 		return snd_interval_list(c, 3, list, 0);
4584 	} else {
4585 		list[0] = hdsp->ds_out_channels;
4586 		list[1] = hdsp->ss_out_channels;
4587 	}
4588 	return snd_interval_list(c, 2, list, 0);
4589 }
4590 
4591 static int snd_hdsp_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
4592 					     struct snd_pcm_hw_rule *rule)
4593 {
4594 	struct hdsp *hdsp = rule->private;
4595 	struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4596 	struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4597 	if (r->min > 96000 && hdsp->io_type == H9632) {
4598 		struct snd_interval t = {
4599 			.min = hdsp->qs_in_channels,
4600 			.max = hdsp->qs_in_channels,
4601 			.integer = 1,
4602 		};
4603 		return snd_interval_refine(c, &t);
4604 	} else if (r->min > 48000 && r->max <= 96000) {
4605 		struct snd_interval t = {
4606 			.min = hdsp->ds_in_channels,
4607 			.max = hdsp->ds_in_channels,
4608 			.integer = 1,
4609 		};
4610 		return snd_interval_refine(c, &t);
4611 	} else if (r->max < 64000) {
4612 		struct snd_interval t = {
4613 			.min = hdsp->ss_in_channels,
4614 			.max = hdsp->ss_in_channels,
4615 			.integer = 1,
4616 		};
4617 		return snd_interval_refine(c, &t);
4618 	}
4619 	return 0;
4620 }
4621 
4622 static int snd_hdsp_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
4623 					     struct snd_pcm_hw_rule *rule)
4624 {
4625 	struct hdsp *hdsp = rule->private;
4626 	struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4627 	struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4628 	if (r->min > 96000 && hdsp->io_type == H9632) {
4629 		struct snd_interval t = {
4630 			.min = hdsp->qs_out_channels,
4631 			.max = hdsp->qs_out_channels,
4632 			.integer = 1,
4633 		};
4634 		return snd_interval_refine(c, &t);
4635 	} else if (r->min > 48000 && r->max <= 96000) {
4636 		struct snd_interval t = {
4637 			.min = hdsp->ds_out_channels,
4638 			.max = hdsp->ds_out_channels,
4639 			.integer = 1,
4640 		};
4641 		return snd_interval_refine(c, &t);
4642 	} else if (r->max < 64000) {
4643 		struct snd_interval t = {
4644 			.min = hdsp->ss_out_channels,
4645 			.max = hdsp->ss_out_channels,
4646 			.integer = 1,
4647 		};
4648 		return snd_interval_refine(c, &t);
4649 	}
4650 	return 0;
4651 }
4652 
4653 static int snd_hdsp_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params,
4654 					     struct snd_pcm_hw_rule *rule)
4655 {
4656 	struct hdsp *hdsp = rule->private;
4657 	struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4658 	struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4659 	if (c->min >= hdsp->ss_out_channels) {
4660 		struct snd_interval t = {
4661 			.min = 32000,
4662 			.max = 48000,
4663 			.integer = 1,
4664 		};
4665 		return snd_interval_refine(r, &t);
4666 	} else if (c->max <= hdsp->qs_out_channels && hdsp->io_type == H9632) {
4667 		struct snd_interval t = {
4668 			.min = 128000,
4669 			.max = 192000,
4670 			.integer = 1,
4671 		};
4672 		return snd_interval_refine(r, &t);
4673 	} else if (c->max <= hdsp->ds_out_channels) {
4674 		struct snd_interval t = {
4675 			.min = 64000,
4676 			.max = 96000,
4677 			.integer = 1,
4678 		};
4679 		return snd_interval_refine(r, &t);
4680 	}
4681 	return 0;
4682 }
4683 
4684 static int snd_hdsp_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params,
4685 					     struct snd_pcm_hw_rule *rule)
4686 {
4687 	struct hdsp *hdsp = rule->private;
4688 	struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4689 	struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4690 	if (c->min >= hdsp->ss_in_channels) {
4691 		struct snd_interval t = {
4692 			.min = 32000,
4693 			.max = 48000,
4694 			.integer = 1,
4695 		};
4696 		return snd_interval_refine(r, &t);
4697 	} else if (c->max <= hdsp->qs_in_channels && hdsp->io_type == H9632) {
4698 		struct snd_interval t = {
4699 			.min = 128000,
4700 			.max = 192000,
4701 			.integer = 1,
4702 		};
4703 		return snd_interval_refine(r, &t);
4704 	} else if (c->max <= hdsp->ds_in_channels) {
4705 		struct snd_interval t = {
4706 			.min = 64000,
4707 			.max = 96000,
4708 			.integer = 1,
4709 		};
4710 		return snd_interval_refine(r, &t);
4711 	}
4712 	return 0;
4713 }
4714 
4715 static int snd_hdsp_playback_open(struct snd_pcm_substream *substream)
4716 {
4717 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4718 	struct snd_pcm_runtime *runtime = substream->runtime;
4719 
4720 	if (hdsp_check_for_iobox (hdsp))
4721 		return -EIO;
4722 
4723 	if (hdsp_check_for_firmware(hdsp, 1))
4724 		return -EIO;
4725 
4726 	spin_lock_irq(&hdsp->lock);
4727 
4728 	snd_pcm_set_sync(substream);
4729 
4730         runtime->hw = snd_hdsp_playback_subinfo;
4731 	runtime->dma_area = hdsp->playback_buffer;
4732 	runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4733 
4734 	hdsp->playback_pid = current->pid;
4735 	hdsp->playback_substream = substream;
4736 
4737 	spin_unlock_irq(&hdsp->lock);
4738 
4739 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4740 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4741 	if (hdsp->clock_source_locked) {
4742 		runtime->hw.rate_min = runtime->hw.rate_max = hdsp->system_sample_rate;
4743 	} else if (hdsp->io_type == H9632) {
4744 		runtime->hw.rate_max = 192000;
4745 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4746 		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4747 	}
4748 	if (hdsp->io_type == H9632) {
4749 		runtime->hw.channels_min = hdsp->qs_out_channels;
4750 		runtime->hw.channels_max = hdsp->ss_out_channels;
4751 	}
4752 
4753 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4754 			     snd_hdsp_hw_rule_out_channels, hdsp,
4755 			     SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4756 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4757 			     snd_hdsp_hw_rule_out_channels_rate, hdsp,
4758 			     SNDRV_PCM_HW_PARAM_RATE, -1);
4759 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4760 			     snd_hdsp_hw_rule_rate_out_channels, hdsp,
4761 			     SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4762 
4763 	if (RPM != hdsp->io_type) {
4764 		hdsp->creg_spdif_stream = hdsp->creg_spdif;
4765 		hdsp->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4766 		snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4767 			SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4768 	}
4769 	return 0;
4770 }
4771 
4772 static int snd_hdsp_playback_release(struct snd_pcm_substream *substream)
4773 {
4774 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4775 
4776 	spin_lock_irq(&hdsp->lock);
4777 
4778 	hdsp->playback_pid = -1;
4779 	hdsp->playback_substream = NULL;
4780 
4781 	spin_unlock_irq(&hdsp->lock);
4782 
4783 	if (RPM != hdsp->io_type) {
4784 		hdsp->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4785 		snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4786 			SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4787 	}
4788 	return 0;
4789 }
4790 
4791 
4792 static int snd_hdsp_capture_open(struct snd_pcm_substream *substream)
4793 {
4794 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4795 	struct snd_pcm_runtime *runtime = substream->runtime;
4796 
4797 	if (hdsp_check_for_iobox (hdsp))
4798 		return -EIO;
4799 
4800 	if (hdsp_check_for_firmware(hdsp, 1))
4801 		return -EIO;
4802 
4803 	spin_lock_irq(&hdsp->lock);
4804 
4805 	snd_pcm_set_sync(substream);
4806 
4807 	runtime->hw = snd_hdsp_capture_subinfo;
4808 	runtime->dma_area = hdsp->capture_buffer;
4809 	runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4810 
4811 	hdsp->capture_pid = current->pid;
4812 	hdsp->capture_substream = substream;
4813 
4814 	spin_unlock_irq(&hdsp->lock);
4815 
4816 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4817 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4818 	if (hdsp->io_type == H9632) {
4819 		runtime->hw.channels_min = hdsp->qs_in_channels;
4820 		runtime->hw.channels_max = hdsp->ss_in_channels;
4821 		runtime->hw.rate_max = 192000;
4822 		runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4823 		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4824 	}
4825 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4826 			     snd_hdsp_hw_rule_in_channels, hdsp,
4827 			     SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4828 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4829 			     snd_hdsp_hw_rule_in_channels_rate, hdsp,
4830 			     SNDRV_PCM_HW_PARAM_RATE, -1);
4831 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4832 			     snd_hdsp_hw_rule_rate_in_channels, hdsp,
4833 			     SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4834 	return 0;
4835 }
4836 
4837 static int snd_hdsp_capture_release(struct snd_pcm_substream *substream)
4838 {
4839 	struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4840 
4841 	spin_lock_irq(&hdsp->lock);
4842 
4843 	hdsp->capture_pid = -1;
4844 	hdsp->capture_substream = NULL;
4845 
4846 	spin_unlock_irq(&hdsp->lock);
4847 	return 0;
4848 }
4849 
4850 /* helper functions for copying meter values */
4851 static inline int copy_u32_le(void __user *dest, void __iomem *src)
4852 {
4853 	u32 val = readl(src);
4854 	return copy_to_user(dest, &val, 4);
4855 }
4856 
4857 static inline int copy_u64_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4858 {
4859 	u32 rms_low, rms_high;
4860 	u64 rms;
4861 	rms_low = readl(src_low);
4862 	rms_high = readl(src_high);
4863 	rms = ((u64)rms_high << 32) | rms_low;
4864 	return copy_to_user(dest, &rms, 8);
4865 }
4866 
4867 static inline int copy_u48_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4868 {
4869 	u32 rms_low, rms_high;
4870 	u64 rms;
4871 	rms_low = readl(src_low) & 0xffffff00;
4872 	rms_high = readl(src_high) & 0xffffff00;
4873 	rms = ((u64)rms_high << 32) | rms_low;
4874 	return copy_to_user(dest, &rms, 8);
4875 }
4876 
4877 static int hdsp_9652_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4878 {
4879 	int doublespeed = 0;
4880 	int i, j, channels, ofs;
4881 
4882 	if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4883 		doublespeed = 1;
4884 	channels = doublespeed ? 14 : 26;
4885 	for (i = 0, j = 0; i < 26; ++i) {
4886 		if (doublespeed && (i & 4))
4887 			continue;
4888 		ofs = HDSP_9652_peakBase - j * 4;
4889 		if (copy_u32_le(&peak_rms->input_peaks[i], hdsp->iobase + ofs))
4890 			return -EFAULT;
4891 		ofs -= channels * 4;
4892 		if (copy_u32_le(&peak_rms->playback_peaks[i], hdsp->iobase + ofs))
4893 			return -EFAULT;
4894 		ofs -= channels * 4;
4895 		if (copy_u32_le(&peak_rms->output_peaks[i], hdsp->iobase + ofs))
4896 			return -EFAULT;
4897 		ofs = HDSP_9652_rmsBase + j * 8;
4898 		if (copy_u48_le(&peak_rms->input_rms[i], hdsp->iobase + ofs,
4899 				hdsp->iobase + ofs + 4))
4900 			return -EFAULT;
4901 		ofs += channels * 8;
4902 		if (copy_u48_le(&peak_rms->playback_rms[i], hdsp->iobase + ofs,
4903 				hdsp->iobase + ofs + 4))
4904 			return -EFAULT;
4905 		ofs += channels * 8;
4906 		if (copy_u48_le(&peak_rms->output_rms[i], hdsp->iobase + ofs,
4907 				hdsp->iobase + ofs + 4))
4908 			return -EFAULT;
4909 		j++;
4910 	}
4911 	return 0;
4912 }
4913 
4914 static int hdsp_9632_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4915 {
4916 	int i, j;
4917 	struct hdsp_9632_meters __iomem *m;
4918 	int doublespeed = 0;
4919 
4920 	if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4921 		doublespeed = 1;
4922 	m = (struct hdsp_9632_meters __iomem *)(hdsp->iobase+HDSP_9632_metersBase);
4923 	for (i = 0, j = 0; i < 16; ++i, ++j) {
4924 		if (copy_u32_le(&peak_rms->input_peaks[i], &m->input_peak[j]))
4925 			return -EFAULT;
4926 		if (copy_u32_le(&peak_rms->playback_peaks[i], &m->playback_peak[j]))
4927 			return -EFAULT;
4928 		if (copy_u32_le(&peak_rms->output_peaks[i], &m->output_peak[j]))
4929 			return -EFAULT;
4930 		if (copy_u64_le(&peak_rms->input_rms[i], &m->input_rms_low[j],
4931 				&m->input_rms_high[j]))
4932 			return -EFAULT;
4933 		if (copy_u64_le(&peak_rms->playback_rms[i], &m->playback_rms_low[j],
4934 				&m->playback_rms_high[j]))
4935 			return -EFAULT;
4936 		if (copy_u64_le(&peak_rms->output_rms[i], &m->output_rms_low[j],
4937 				&m->output_rms_high[j]))
4938 			return -EFAULT;
4939 		if (doublespeed && i == 3) i += 4;
4940 	}
4941 	return 0;
4942 }
4943 
4944 static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4945 {
4946 	int i;
4947 
4948 	for (i = 0; i < 26; i++) {
4949 		if (copy_u32_le(&peak_rms->playback_peaks[i],
4950 				hdsp->iobase + HDSP_playbackPeakLevel + i * 4))
4951 			return -EFAULT;
4952 		if (copy_u32_le(&peak_rms->input_peaks[i],
4953 				hdsp->iobase + HDSP_inputPeakLevel + i * 4))
4954 			return -EFAULT;
4955 	}
4956 	for (i = 0; i < 28; i++) {
4957 		if (copy_u32_le(&peak_rms->output_peaks[i],
4958 				hdsp->iobase + HDSP_outputPeakLevel + i * 4))
4959 			return -EFAULT;
4960 	}
4961 	for (i = 0; i < 26; ++i) {
4962 		if (copy_u64_le(&peak_rms->playback_rms[i],
4963 				hdsp->iobase + HDSP_playbackRmsLevel + i * 8 + 4,
4964 				hdsp->iobase + HDSP_playbackRmsLevel + i * 8))
4965 			return -EFAULT;
4966 		if (copy_u64_le(&peak_rms->input_rms[i],
4967 				hdsp->iobase + HDSP_inputRmsLevel + i * 8 + 4,
4968 				hdsp->iobase + HDSP_inputRmsLevel + i * 8))
4969 			return -EFAULT;
4970 	}
4971 	return 0;
4972 }
4973 
4974 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg)
4975 {
4976 	struct hdsp *hdsp = hw->private_data;
4977 	void __user *argp = (void __user *)arg;
4978 	int err;
4979 
4980 	switch (cmd) {
4981 	case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: {
4982 		struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg;
4983 
4984 		err = hdsp_check_for_iobox(hdsp);
4985 		if (err < 0)
4986 			return err;
4987 
4988 		err = hdsp_check_for_firmware(hdsp, 1);
4989 		if (err < 0)
4990 			return err;
4991 
4992 		if (!(hdsp->state & HDSP_FirmwareLoaded)) {
4993 			snd_printk(KERN_ERR "Hammerfall-DSP: firmware needs to be uploaded to the card.\n");
4994 			return -EINVAL;
4995 		}
4996 
4997 		switch (hdsp->io_type) {
4998 		case H9652:
4999 			return hdsp_9652_get_peak(hdsp, peak_rms);
5000 		case H9632:
5001 			return hdsp_9632_get_peak(hdsp, peak_rms);
5002 		default:
5003 			return hdsp_get_peak(hdsp, peak_rms);
5004 		}
5005 	}
5006 	case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: {
5007 		struct hdsp_config_info info;
5008 		unsigned long flags;
5009 		int i;
5010 
5011 		err = hdsp_check_for_iobox(hdsp);
5012 		if (err < 0)
5013 			return err;
5014 
5015 		err = hdsp_check_for_firmware(hdsp, 1);
5016 		if (err < 0)
5017 			return err;
5018 
5019 		memset(&info, 0, sizeof(info));
5020 		spin_lock_irqsave(&hdsp->lock, flags);
5021 		info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp);
5022 		info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp);
5023 		if (hdsp->io_type != H9632)
5024 		    info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp);
5025 		info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp);
5026 		for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != RPM && hdsp->io_type != H9632) ? 3 : 1); ++i)
5027 			info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i);
5028 		info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp);
5029 		info.spdif_out = (unsigned char)hdsp_spdif_out(hdsp);
5030 		info.spdif_professional = (unsigned char)hdsp_spdif_professional(hdsp);
5031 		info.spdif_emphasis = (unsigned char)hdsp_spdif_emphasis(hdsp);
5032 		info.spdif_nonaudio = (unsigned char)hdsp_spdif_nonaudio(hdsp);
5033 		info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp);
5034 		info.system_sample_rate = hdsp->system_sample_rate;
5035 		info.autosync_sample_rate = hdsp_external_sample_rate(hdsp);
5036 		info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp);
5037 		info.clock_source = (unsigned char)hdsp_clock_source(hdsp);
5038 		info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp);
5039 		info.line_out = (unsigned char)hdsp_line_out(hdsp);
5040 		if (hdsp->io_type == H9632) {
5041 			info.da_gain = (unsigned char)hdsp_da_gain(hdsp);
5042 			info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp);
5043 			info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp);
5044 			info.xlr_breakout_cable = (unsigned char)hdsp_xlr_breakout_cable(hdsp);
5045 
5046 		} else if (hdsp->io_type == RPM) {
5047 			info.da_gain = (unsigned char) hdsp_rpm_input12(hdsp);
5048 			info.ad_gain = (unsigned char) hdsp_rpm_input34(hdsp);
5049 		}
5050 		if (hdsp->io_type == H9632 || hdsp->io_type == H9652)
5051 			info.analog_extension_board = (unsigned char)hdsp_aeb(hdsp);
5052 		spin_unlock_irqrestore(&hdsp->lock, flags);
5053 		if (copy_to_user(argp, &info, sizeof(info)))
5054 			return -EFAULT;
5055 		break;
5056 	}
5057 	case SNDRV_HDSP_IOCTL_GET_9632_AEB: {
5058 		struct hdsp_9632_aeb h9632_aeb;
5059 
5060 		if (hdsp->io_type != H9632) return -EINVAL;
5061 		h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS;
5062 		h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS;
5063 		if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb)))
5064 			return -EFAULT;
5065 		break;
5066 	}
5067 	case SNDRV_HDSP_IOCTL_GET_VERSION: {
5068 		struct hdsp_version hdsp_version;
5069 		int err;
5070 
5071 		if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
5072 		if (hdsp->io_type == Undefined) {
5073 			if ((err = hdsp_get_iobox_version(hdsp)) < 0)
5074 				return err;
5075 		}
5076 		hdsp_version.io_type = hdsp->io_type;
5077 		hdsp_version.firmware_rev = hdsp->firmware_rev;
5078 		if ((err = copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))))
5079 		    	return -EFAULT;
5080 		break;
5081 	}
5082 	case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: {
5083 		struct hdsp_firmware __user *firmware;
5084 		u32 __user *firmware_data;
5085 		int err;
5086 
5087 		if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
5088 		/* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */
5089 		if (hdsp->io_type == Undefined) return -EINVAL;
5090 
5091 		if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded))
5092 			return -EBUSY;
5093 
5094 		snd_printk(KERN_INFO "Hammerfall-DSP: initializing firmware upload\n");
5095 		firmware = (struct hdsp_firmware __user *)argp;
5096 
5097 		if (get_user(firmware_data, &firmware->firmware_data))
5098 			return -EFAULT;
5099 
5100 		if (hdsp_check_for_iobox (hdsp))
5101 			return -EIO;
5102 
5103 		if (!hdsp->fw_uploaded) {
5104 			hdsp->fw_uploaded = vmalloc(HDSP_FIRMWARE_SIZE);
5105 			if (!hdsp->fw_uploaded)
5106 				return -ENOMEM;
5107 		}
5108 
5109 		if (copy_from_user(hdsp->fw_uploaded, firmware_data,
5110 				   HDSP_FIRMWARE_SIZE)) {
5111 			vfree(hdsp->fw_uploaded);
5112 			hdsp->fw_uploaded = NULL;
5113 			return -EFAULT;
5114 		}
5115 
5116 		hdsp->state |= HDSP_FirmwareCached;
5117 
5118 		if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
5119 			return err;
5120 
5121 		if (!(hdsp->state & HDSP_InitializationComplete)) {
5122 			if ((err = snd_hdsp_enable_io(hdsp)) < 0)
5123 				return err;
5124 
5125 			snd_hdsp_initialize_channels(hdsp);
5126 			snd_hdsp_initialize_midi_flush(hdsp);
5127 
5128 			if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
5129 				snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
5130 				return err;
5131 			}
5132 		}
5133 		break;
5134 	}
5135 	case SNDRV_HDSP_IOCTL_GET_MIXER: {
5136 		struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp;
5137 		if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE))
5138 			return -EFAULT;
5139 		break;
5140 	}
5141 	default:
5142 		return -EINVAL;
5143 	}
5144 	return 0;
5145 }
5146 
5147 static struct snd_pcm_ops snd_hdsp_playback_ops = {
5148 	.open =		snd_hdsp_playback_open,
5149 	.close =	snd_hdsp_playback_release,
5150 	.ioctl =	snd_hdsp_ioctl,
5151 	.hw_params =	snd_hdsp_hw_params,
5152 	.prepare =	snd_hdsp_prepare,
5153 	.trigger =	snd_hdsp_trigger,
5154 	.pointer =	snd_hdsp_hw_pointer,
5155 	.copy =		snd_hdsp_playback_copy,
5156 	.silence =	snd_hdsp_hw_silence,
5157 };
5158 
5159 static struct snd_pcm_ops snd_hdsp_capture_ops = {
5160 	.open =		snd_hdsp_capture_open,
5161 	.close =	snd_hdsp_capture_release,
5162 	.ioctl =	snd_hdsp_ioctl,
5163 	.hw_params =	snd_hdsp_hw_params,
5164 	.prepare =	snd_hdsp_prepare,
5165 	.trigger =	snd_hdsp_trigger,
5166 	.pointer =	snd_hdsp_hw_pointer,
5167 	.copy =		snd_hdsp_capture_copy,
5168 };
5169 
5170 static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)
5171 {
5172 	struct snd_hwdep *hw;
5173 	int err;
5174 
5175 	if ((err = snd_hwdep_new(card, "HDSP hwdep", 0, &hw)) < 0)
5176 		return err;
5177 
5178 	hdsp->hwdep = hw;
5179 	hw->private_data = hdsp;
5180 	strcpy(hw->name, "HDSP hwdep interface");
5181 
5182 	hw->ops.ioctl = snd_hdsp_hwdep_ioctl;
5183 	hw->ops.ioctl_compat = snd_hdsp_hwdep_ioctl;
5184 
5185 	return 0;
5186 }
5187 
5188 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp)
5189 {
5190 	struct snd_pcm *pcm;
5191 	int err;
5192 
5193 	if ((err = snd_pcm_new(card, hdsp->card_name, 0, 1, 1, &pcm)) < 0)
5194 		return err;
5195 
5196 	hdsp->pcm = pcm;
5197 	pcm->private_data = hdsp;
5198 	strcpy(pcm->name, hdsp->card_name);
5199 
5200 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_hdsp_playback_ops);
5201 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_hdsp_capture_ops);
5202 
5203 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
5204 
5205 	return 0;
5206 }
5207 
5208 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp)
5209 {
5210         hdsp->control2_register |= HDSP_9652_ENABLE_MIXER;
5211 	hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
5212 }
5213 
5214 static int snd_hdsp_enable_io (struct hdsp *hdsp)
5215 {
5216 	int i;
5217 
5218 	if (hdsp_fifo_wait (hdsp, 0, 100)) {
5219 		snd_printk(KERN_ERR "Hammerfall-DSP: enable_io fifo_wait failed\n");
5220 		return -EIO;
5221 	}
5222 
5223 	for (i = 0; i < hdsp->max_channels; ++i) {
5224 		hdsp_write (hdsp, HDSP_inputEnable + (4 * i), 1);
5225 		hdsp_write (hdsp, HDSP_outputEnable + (4 * i), 1);
5226 	}
5227 
5228 	return 0;
5229 }
5230 
5231 static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
5232 {
5233 	int status, aebi_channels, aebo_channels;
5234 
5235 	switch (hdsp->io_type) {
5236 	case Digiface:
5237 		hdsp->card_name = "RME Hammerfall DSP + Digiface";
5238 		hdsp->ss_in_channels = hdsp->ss_out_channels = DIGIFACE_SS_CHANNELS;
5239 		hdsp->ds_in_channels = hdsp->ds_out_channels = DIGIFACE_DS_CHANNELS;
5240 		break;
5241 
5242 	case H9652:
5243 		hdsp->card_name = "RME Hammerfall HDSP 9652";
5244 		hdsp->ss_in_channels = hdsp->ss_out_channels = H9652_SS_CHANNELS;
5245 		hdsp->ds_in_channels = hdsp->ds_out_channels = H9652_DS_CHANNELS;
5246 		break;
5247 
5248 	case H9632:
5249 		status = hdsp_read(hdsp, HDSP_statusRegister);
5250 		/* HDSP_AEBx bits are low when AEB are connected */
5251 		aebi_channels = (status & HDSP_AEBI) ? 0 : 4;
5252 		aebo_channels = (status & HDSP_AEBO) ? 0 : 4;
5253 		hdsp->card_name = "RME Hammerfall HDSP 9632";
5254 		hdsp->ss_in_channels = H9632_SS_CHANNELS+aebi_channels;
5255 		hdsp->ds_in_channels = H9632_DS_CHANNELS+aebi_channels;
5256 		hdsp->qs_in_channels = H9632_QS_CHANNELS+aebi_channels;
5257 		hdsp->ss_out_channels = H9632_SS_CHANNELS+aebo_channels;
5258 		hdsp->ds_out_channels = H9632_DS_CHANNELS+aebo_channels;
5259 		hdsp->qs_out_channels = H9632_QS_CHANNELS+aebo_channels;
5260 		break;
5261 
5262 	case Multiface:
5263 		hdsp->card_name = "RME Hammerfall DSP + Multiface";
5264 		hdsp->ss_in_channels = hdsp->ss_out_channels = MULTIFACE_SS_CHANNELS;
5265 		hdsp->ds_in_channels = hdsp->ds_out_channels = MULTIFACE_DS_CHANNELS;
5266 		break;
5267 
5268 	case RPM:
5269 		hdsp->card_name = "RME Hammerfall DSP + RPM";
5270 		hdsp->ss_in_channels = RPM_CHANNELS-1;
5271 		hdsp->ss_out_channels = RPM_CHANNELS;
5272 		hdsp->ds_in_channels = RPM_CHANNELS-1;
5273 		hdsp->ds_out_channels = RPM_CHANNELS;
5274 		break;
5275 
5276 	default:
5277  		/* should never get here */
5278 		break;
5279 	}
5280 }
5281 
5282 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp)
5283 {
5284 	snd_hdsp_flush_midi_input (hdsp, 0);
5285 	snd_hdsp_flush_midi_input (hdsp, 1);
5286 }
5287 
5288 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp)
5289 {
5290 	int err;
5291 
5292 	if ((err = snd_hdsp_create_pcm(card, hdsp)) < 0) {
5293 		snd_printk(KERN_ERR "Hammerfall-DSP: Error creating pcm interface\n");
5294 		return err;
5295 	}
5296 
5297 
5298 	if ((err = snd_hdsp_create_midi(card, hdsp, 0)) < 0) {
5299 		snd_printk(KERN_ERR "Hammerfall-DSP: Error creating first midi interface\n");
5300 		return err;
5301 	}
5302 
5303 	if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
5304 		if ((err = snd_hdsp_create_midi(card, hdsp, 1)) < 0) {
5305 			snd_printk(KERN_ERR "Hammerfall-DSP: Error creating second midi interface\n");
5306 			return err;
5307 		}
5308 	}
5309 
5310 	if ((err = snd_hdsp_create_controls(card, hdsp)) < 0) {
5311 		snd_printk(KERN_ERR "Hammerfall-DSP: Error creating ctl interface\n");
5312 		return err;
5313 	}
5314 
5315 	snd_hdsp_proc_init(hdsp);
5316 
5317 	hdsp->system_sample_rate = -1;
5318 	hdsp->playback_pid = -1;
5319 	hdsp->capture_pid = -1;
5320 	hdsp->capture_substream = NULL;
5321 	hdsp->playback_substream = NULL;
5322 
5323 	if ((err = snd_hdsp_set_defaults(hdsp)) < 0) {
5324 		snd_printk(KERN_ERR "Hammerfall-DSP: Error setting default values\n");
5325 		return err;
5326 	}
5327 
5328 	if (!(hdsp->state & HDSP_InitializationComplete)) {
5329 		strcpy(card->shortname, "Hammerfall DSP");
5330 		sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
5331 			hdsp->port, hdsp->irq);
5332 
5333 		if ((err = snd_card_register(card)) < 0) {
5334 			snd_printk(KERN_ERR "Hammerfall-DSP: error registering card\n");
5335 			return err;
5336 		}
5337 		hdsp->state |= HDSP_InitializationComplete;
5338 	}
5339 
5340 	return 0;
5341 }
5342 
5343 /* load firmware via hotplug fw loader */
5344 static int hdsp_request_fw_loader(struct hdsp *hdsp)
5345 {
5346 	const char *fwfile;
5347 	const struct firmware *fw;
5348 	int err;
5349 
5350 	if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
5351 		return 0;
5352 	if (hdsp->io_type == Undefined) {
5353 		if ((err = hdsp_get_iobox_version(hdsp)) < 0)
5354 			return err;
5355 		if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
5356 			return 0;
5357 	}
5358 
5359 	/* caution: max length of firmware filename is 30! */
5360 	switch (hdsp->io_type) {
5361 	case RPM:
5362 		fwfile = "rpm_firmware.bin";
5363 		break;
5364 	case Multiface:
5365 		if (hdsp->firmware_rev == 0xa)
5366 			fwfile = "multiface_firmware.bin";
5367 		else
5368 			fwfile = "multiface_firmware_rev11.bin";
5369 		break;
5370 	case Digiface:
5371 		if (hdsp->firmware_rev == 0xa)
5372 			fwfile = "digiface_firmware.bin";
5373 		else
5374 			fwfile = "digiface_firmware_rev11.bin";
5375 		break;
5376 	default:
5377 		snd_printk(KERN_ERR "Hammerfall-DSP: invalid io_type %d\n", hdsp->io_type);
5378 		return -EINVAL;
5379 	}
5380 
5381 	if (request_firmware(&fw, fwfile, &hdsp->pci->dev)) {
5382 		snd_printk(KERN_ERR "Hammerfall-DSP: cannot load firmware %s\n", fwfile);
5383 		return -ENOENT;
5384 	}
5385 	if (fw->size < HDSP_FIRMWARE_SIZE) {
5386 		snd_printk(KERN_ERR "Hammerfall-DSP: too short firmware size %d (expected %d)\n",
5387 			   (int)fw->size, HDSP_FIRMWARE_SIZE);
5388 		return -EINVAL;
5389 	}
5390 
5391 	hdsp->firmware = fw;
5392 
5393 	hdsp->state |= HDSP_FirmwareCached;
5394 
5395 	if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
5396 		return err;
5397 
5398 	if (!(hdsp->state & HDSP_InitializationComplete)) {
5399 		if ((err = snd_hdsp_enable_io(hdsp)) < 0)
5400 			return err;
5401 
5402 		if ((err = snd_hdsp_create_hwdep(hdsp->card, hdsp)) < 0) {
5403 			snd_printk(KERN_ERR "Hammerfall-DSP: error creating hwdep device\n");
5404 			return err;
5405 		}
5406 		snd_hdsp_initialize_channels(hdsp);
5407 		snd_hdsp_initialize_midi_flush(hdsp);
5408 		if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
5409 			snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
5410 			return err;
5411 		}
5412 	}
5413 	return 0;
5414 }
5415 
5416 static int snd_hdsp_create(struct snd_card *card,
5417 			   struct hdsp *hdsp)
5418 {
5419 	struct pci_dev *pci = hdsp->pci;
5420 	int err;
5421 	int is_9652 = 0;
5422 	int is_9632 = 0;
5423 
5424 	hdsp->irq = -1;
5425 	hdsp->state = 0;
5426 	hdsp->midi[0].rmidi = NULL;
5427 	hdsp->midi[1].rmidi = NULL;
5428 	hdsp->midi[0].input = NULL;
5429 	hdsp->midi[1].input = NULL;
5430 	hdsp->midi[0].output = NULL;
5431 	hdsp->midi[1].output = NULL;
5432 	hdsp->midi[0].pending = 0;
5433 	hdsp->midi[1].pending = 0;
5434 	spin_lock_init(&hdsp->midi[0].lock);
5435 	spin_lock_init(&hdsp->midi[1].lock);
5436 	hdsp->iobase = NULL;
5437 	hdsp->control_register = 0;
5438 	hdsp->control2_register = 0;
5439 	hdsp->io_type = Undefined;
5440 	hdsp->max_channels = 26;
5441 
5442 	hdsp->card = card;
5443 
5444 	spin_lock_init(&hdsp->lock);
5445 
5446 	tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp);
5447 
5448 	pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev);
5449 	hdsp->firmware_rev &= 0xff;
5450 
5451 	/* From Martin Bjoernsen :
5452 	    "It is important that the card's latency timer register in
5453 	    the PCI configuration space is set to a value much larger
5454 	    than 0 by the computer's BIOS or the driver.
5455 	    The windows driver always sets this 8 bit register [...]
5456 	    to its maximum 255 to avoid problems with some computers."
5457 	*/
5458 	pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF);
5459 
5460 	strcpy(card->driver, "H-DSP");
5461 	strcpy(card->mixername, "Xilinx FPGA");
5462 
5463 	if (hdsp->firmware_rev < 0xa)
5464 		return -ENODEV;
5465 	else if (hdsp->firmware_rev < 0x64)
5466 		hdsp->card_name = "RME Hammerfall DSP";
5467 	else if (hdsp->firmware_rev < 0x96) {
5468 		hdsp->card_name = "RME HDSP 9652";
5469 		is_9652 = 1;
5470 	} else {
5471 		hdsp->card_name = "RME HDSP 9632";
5472 		hdsp->max_channels = 16;
5473 		is_9632 = 1;
5474 	}
5475 
5476 	if ((err = pci_enable_device(pci)) < 0)
5477 		return err;
5478 
5479 	pci_set_master(hdsp->pci);
5480 
5481 	if ((err = pci_request_regions(pci, "hdsp")) < 0)
5482 		return err;
5483 	hdsp->port = pci_resource_start(pci, 0);
5484 	if ((hdsp->iobase = ioremap_nocache(hdsp->port, HDSP_IO_EXTENT)) == NULL) {
5485 		snd_printk(KERN_ERR "Hammerfall-DSP: unable to remap region 0x%lx-0x%lx\n", hdsp->port, hdsp->port + HDSP_IO_EXTENT - 1);
5486 		return -EBUSY;
5487 	}
5488 
5489 	if (request_irq(pci->irq, snd_hdsp_interrupt, IRQF_SHARED,
5490 			KBUILD_MODNAME, hdsp)) {
5491 		snd_printk(KERN_ERR "Hammerfall-DSP: unable to use IRQ %d\n", pci->irq);
5492 		return -EBUSY;
5493 	}
5494 
5495 	hdsp->irq = pci->irq;
5496 	hdsp->precise_ptr = 0;
5497 	hdsp->use_midi_tasklet = 1;
5498 	hdsp->dds_value = 0;
5499 
5500 	if ((err = snd_hdsp_initialize_memory(hdsp)) < 0)
5501 		return err;
5502 
5503 	if (!is_9652 && !is_9632) {
5504 		/* we wait a maximum of 10 seconds to let freshly
5505 		 * inserted cardbus cards do their hardware init */
5506 		err = hdsp_wait_for_iobox(hdsp, 1000, 10);
5507 
5508 		if (err < 0)
5509 			return err;
5510 
5511 		if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
5512 			if ((err = hdsp_request_fw_loader(hdsp)) < 0)
5513 				/* we don't fail as this can happen
5514 				   if userspace is not ready for
5515 				   firmware upload
5516 				*/
5517 				snd_printk(KERN_ERR "Hammerfall-DSP: couldn't get firmware from userspace. try using hdsploader\n");
5518 			else
5519 				/* init is complete, we return */
5520 				return 0;
5521 			/* we defer initialization */
5522 			snd_printk(KERN_INFO "Hammerfall-DSP: card initialization pending : waiting for firmware\n");
5523 			if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5524 				return err;
5525 			return 0;
5526 		} else {
5527 			snd_printk(KERN_INFO "Hammerfall-DSP: Firmware already present, initializing card.\n");
5528 			if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version2)
5529 				hdsp->io_type = RPM;
5530 			else if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
5531 				hdsp->io_type = Multiface;
5532 			else
5533 				hdsp->io_type = Digiface;
5534 		}
5535 	}
5536 
5537 	if ((err = snd_hdsp_enable_io(hdsp)) != 0)
5538 		return err;
5539 
5540 	if (is_9652)
5541 	        hdsp->io_type = H9652;
5542 
5543 	if (is_9632)
5544 		hdsp->io_type = H9632;
5545 
5546 	if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5547 		return err;
5548 
5549 	snd_hdsp_initialize_channels(hdsp);
5550 	snd_hdsp_initialize_midi_flush(hdsp);
5551 
5552 	hdsp->state |= HDSP_FirmwareLoaded;
5553 
5554 	if ((err = snd_hdsp_create_alsa_devices(card, hdsp)) < 0)
5555 		return err;
5556 
5557 	return 0;
5558 }
5559 
5560 static int snd_hdsp_free(struct hdsp *hdsp)
5561 {
5562 	if (hdsp->port) {
5563 		/* stop the audio, and cancel all interrupts */
5564 		tasklet_kill(&hdsp->midi_tasklet);
5565 		hdsp->control_register &= ~(HDSP_Start|HDSP_AudioInterruptEnable|HDSP_Midi0InterruptEnable|HDSP_Midi1InterruptEnable);
5566 		hdsp_write (hdsp, HDSP_controlRegister, hdsp->control_register);
5567 	}
5568 
5569 	if (hdsp->irq >= 0)
5570 		free_irq(hdsp->irq, (void *)hdsp);
5571 
5572 	snd_hdsp_free_buffers(hdsp);
5573 
5574 	if (hdsp->firmware)
5575 		release_firmware(hdsp->firmware);
5576 	vfree(hdsp->fw_uploaded);
5577 
5578 	if (hdsp->iobase)
5579 		iounmap(hdsp->iobase);
5580 
5581 	if (hdsp->port)
5582 		pci_release_regions(hdsp->pci);
5583 
5584 	pci_disable_device(hdsp->pci);
5585 	return 0;
5586 }
5587 
5588 static void snd_hdsp_card_free(struct snd_card *card)
5589 {
5590 	struct hdsp *hdsp = card->private_data;
5591 
5592 	if (hdsp)
5593 		snd_hdsp_free(hdsp);
5594 }
5595 
5596 static int snd_hdsp_probe(struct pci_dev *pci,
5597 			  const struct pci_device_id *pci_id)
5598 {
5599 	static int dev;
5600 	struct hdsp *hdsp;
5601 	struct snd_card *card;
5602 	int err;
5603 
5604 	if (dev >= SNDRV_CARDS)
5605 		return -ENODEV;
5606 	if (!enable[dev]) {
5607 		dev++;
5608 		return -ENOENT;
5609 	}
5610 
5611 	err = snd_card_create(index[dev], id[dev], THIS_MODULE,
5612 			      sizeof(struct hdsp), &card);
5613 	if (err < 0)
5614 		return err;
5615 
5616 	hdsp = card->private_data;
5617 	card->private_free = snd_hdsp_card_free;
5618 	hdsp->dev = dev;
5619 	hdsp->pci = pci;
5620 	snd_card_set_dev(card, &pci->dev);
5621 
5622 	if ((err = snd_hdsp_create(card, hdsp)) < 0) {
5623 		snd_card_free(card);
5624 		return err;
5625 	}
5626 
5627 	strcpy(card->shortname, "Hammerfall DSP");
5628 	sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
5629 		hdsp->port, hdsp->irq);
5630 
5631 	if ((err = snd_card_register(card)) < 0) {
5632 		snd_card_free(card);
5633 		return err;
5634 	}
5635 	pci_set_drvdata(pci, card);
5636 	dev++;
5637 	return 0;
5638 }
5639 
5640 static void snd_hdsp_remove(struct pci_dev *pci)
5641 {
5642 	snd_card_free(pci_get_drvdata(pci));
5643 	pci_set_drvdata(pci, NULL);
5644 }
5645 
5646 static struct pci_driver hdsp_driver = {
5647 	.name =     KBUILD_MODNAME,
5648 	.id_table = snd_hdsp_ids,
5649 	.probe =    snd_hdsp_probe,
5650 	.remove = snd_hdsp_remove,
5651 };
5652 
5653 module_pci_driver(hdsp_driver);
5654