xref: /openbmc/linux/sound/pci/rme9652/hdspm.c (revision 87065d3d)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for RME Hammerfall DSP MADI audio interface(s)
4  *
5  *      Copyright (c) 2003 Winfried Ritsch (IEM)
6  *      code based on hdsp.c   Paul Davis
7  *                             Marcus Andersson
8  *                             Thomas Charbonnel
9  *      Modified 2006-06-01 for AES32 support by Remy Bruno
10  *                                               <remy.bruno@trinnov.com>
11  *
12  *      Modified 2009-04-13 for proper metering by Florian Faber
13  *                                               <faber@faberman.de>
14  *
15  *      Modified 2009-04-14 for native float support by Florian Faber
16  *                                               <faber@faberman.de>
17  *
18  *      Modified 2009-04-26 fixed bug in rms metering by Florian Faber
19  *                                               <faber@faberman.de>
20  *
21  *      Modified 2009-04-30 added hw serial number support by Florian Faber
22  *
23  *      Modified 2011-01-14 added S/PDIF input on RayDATs by Adrian Knoth
24  *
25  *	Modified 2011-01-25 variable period sizes on RayDAT/AIO by Adrian Knoth
26  *
27  *      Modified 2019-05-23 fix AIO single speed ADAT capture and playback
28  *      by Philippe.Bekaert@uhasselt.be
29  */
30 
31 /* *************    Register Documentation   *******************************************************
32  *
33  * Work in progress! Documentation is based on the code in this file.
34  *
35  * --------- HDSPM_controlRegister ---------
36  * :7654.3210:7654.3210:7654.3210:7654.3210: bit number per byte
37  * :||||.||||:||||.||||:||||.||||:||||.||||:
38  * :3322.2222:2222.1111:1111.1100:0000.0000: bit number
39  * :1098.7654:3210.9876:5432.1098:7654.3210: 0..31
40  * :||||.||||:||||.||||:||||.||||:||||.||||:
41  * :8421.8421:8421.8421:8421.8421:8421.8421: hex digit
42  * :    .    :    .    :    .    :  x .    :  HDSPM_AudioInterruptEnable \_ setting both bits
43  * :    .    :    .    :    .    :    .   x:  HDSPM_Start                /  enables audio IO
44  * :    .    :    .    :    .    :   x.    :  HDSPM_ClockModeMaster - 1: Master, 0: Slave
45  * :    .    :    .    :    .    :    .210 :  HDSPM_LatencyMask - 3 Bit value for latency
46  * :    .    :    .    :    .    :    .    :      0:64, 1:128, 2:256, 3:512,
47  * :    .    :    .    :    .    :    .    :      4:1024, 5:2048, 6:4096, 7:8192
48  * :x   .    :    .    :    .   x:xx  .    :  HDSPM_FrequencyMask
49  * :    .    :    .    :    .    :10  .    :  HDSPM_Frequency1|HDSPM_Frequency0: 1=32K,2=44.1K,3=48K,0=??
50  * :    .    :    .    :    .   x:    .    :  <MADI> HDSPM_DoubleSpeed
51  * :x   .    :    .    :    .    :    .    :  <MADI> HDSPM_QuadSpeed
52  * :    .  3 :    .  10:  2 .    :    .    :  HDSPM_SyncRefMask :
53  * :    .    :    .   x:    .    :    .    :  HDSPM_SyncRef0
54  * :    .    :    .  x :    .    :    .    :  HDSPM_SyncRef1
55  * :    .    :    .    :  x .    :    .    :  <AES32> HDSPM_SyncRef2
56  * :    .  x :    .    :    .    :    .    :  <AES32> HDSPM_SyncRef3
57  * :    .    :    .  10:    .    :    .    :  <MADI> sync ref: 0:WC, 1:Madi, 2:TCO, 3:SyncIn
58  * :    .  3 :    .  10:  2 .    :    .    :  <AES32>  0:WC, 1:AES1 ... 8:AES8, 9: TCO, 10:SyncIn?
59  * :    .  x :    .    :    .    :    .    :  <MADIe> HDSPe_FLOAT_FORMAT
60  * :    .    :    .    : x  .    :    .    :  <MADI> HDSPM_InputSelect0 : 0=optical,1=coax
61  * :    .    :    .    :x   .    :    .    :  <MADI> HDSPM_InputSelect1
62  * :    .    :    .x   :    .    :    .    :  <MADI> HDSPM_clr_tms
63  * :    .    :    .    :    . x  :    .    :  <MADI> HDSPM_TX_64ch
64  * :    .    :    .    :    . x  :    .    :  <AES32> HDSPM_Emphasis
65  * :    .    :    .    :    .x   :    .    :  <MADI> HDSPM_AutoInp
66  * :    .    :    . x  :    .    :    .    :  <MADI> HDSPM_SMUX
67  * :    .    :    .x   :    .    :    .    :  <MADI> HDSPM_clr_tms
68  * :    .    :   x.    :    .    :    .    :  <MADI> HDSPM_taxi_reset
69  * :    .   x:    .    :    .    :    .    :  <MADI> HDSPM_LineOut
70  * :    .   x:    .    :    .    :    .    :  <AES32> ??????????????????
71  * :    .    :   x.    :    .    :    .    :  <AES32> HDSPM_WCK48
72  * :    .    :    .    :    .x   :    .    :  <AES32> HDSPM_Dolby
73  * :    .    : x  .    :    .    :    .    :  HDSPM_Midi0InterruptEnable
74  * :    .    :x   .    :    .    :    .    :  HDSPM_Midi1InterruptEnable
75  * :    .    :  x .    :    .    :    .    :  HDSPM_Midi2InterruptEnable
76  * :    . x  :    .    :    .    :    .    :  <MADI> HDSPM_Midi3InterruptEnable
77  * :    . x  :    .    :    .    :    .    :  <AES32> HDSPM_DS_DoubleWire
78  * :    .x   :    .    :    .    :    .    :  <AES32> HDSPM_QS_DoubleWire
79  * :   x.    :    .    :    .    :    .    :  <AES32> HDSPM_QS_QuadWire
80  * :    .    :    .    :    .  x :    .    :  <AES32> HDSPM_Professional
81  * : x  .    :    .    :    .    :    .    :  HDSPM_wclk_sel
82  * :    .    :    .    :    .    :    .    :
83  * :7654.3210:7654.3210:7654.3210:7654.3210: bit number per byte
84  * :||||.||||:||||.||||:||||.||||:||||.||||:
85  * :3322.2222:2222.1111:1111.1100:0000.0000: bit number
86  * :1098.7654:3210.9876:5432.1098:7654.3210: 0..31
87  * :||||.||||:||||.||||:||||.||||:||||.||||:
88  * :8421.8421:8421.8421:8421.8421:8421.8421:hex digit
89  *
90  *
91  *
92  * AIO / RayDAT only
93  *
94  * ------------ HDSPM_WR_SETTINGS ----------
95  * :3322.2222:2222.1111:1111.1100:0000.0000: bit number per byte
96  * :1098.7654:3210.9876:5432.1098:7654.3210:
97  * :||||.||||:||||.||||:||||.||||:||||.||||: bit number
98  * :7654.3210:7654.3210:7654.3210:7654.3210: 0..31
99  * :||||.||||:||||.||||:||||.||||:||||.||||:
100  * :8421.8421:8421.8421:8421.8421:8421.8421: hex digit
101  * :    .    :    .    :    .    :    .   x: HDSPM_c0Master 1: Master, 0: Slave
102  * :    .    :    .    :    .    :    .  x : HDSPM_c0_SyncRef0
103  * :    .    :    .    :    .    :    . x  : HDSPM_c0_SyncRef1
104  * :    .    :    .    :    .    :    .x   : HDSPM_c0_SyncRef2
105  * :    .    :    .    :    .    :   x.    : HDSPM_c0_SyncRef3
106  * :    .    :    .    :    .    :   3.210 : HDSPM_c0_SyncRefMask:
107  * :    .    :    .    :    .    :    .    :  RayDat: 0:WC, 1:AES, 2:SPDIF, 3..6: ADAT1..4,
108  * :    .    :    .    :    .    :    .    :          9:TCO, 10:SyncIn
109  * :    .    :    .    :    .    :    .    :  AIO: 0:WC, 1:AES, 2: SPDIF, 3: ATAT,
110  * :    .    :    .    :    .    :    .    :          9:TCO, 10:SyncIn
111  * :    .    :    .    :    .    :    .    :
112  * :    .    :    .    :    .    :    .    :
113  * :3322.2222:2222.1111:1111.1100:0000.0000: bit number per byte
114  * :1098.7654:3210.9876:5432.1098:7654.3210:
115  * :||||.||||:||||.||||:||||.||||:||||.||||: bit number
116  * :7654.3210:7654.3210:7654.3210:7654.3210: 0..31
117  * :||||.||||:||||.||||:||||.||||:||||.||||:
118  * :8421.8421:8421.8421:8421.8421:8421.8421: hex digit
119  *
120  */
121 #include <linux/init.h>
122 #include <linux/delay.h>
123 #include <linux/interrupt.h>
124 #include <linux/module.h>
125 #include <linux/slab.h>
126 #include <linux/pci.h>
127 #include <linux/math64.h>
128 #include <linux/io.h>
129 #include <linux/nospec.h>
130 
131 #include <sound/core.h>
132 #include <sound/control.h>
133 #include <sound/pcm.h>
134 #include <sound/pcm_params.h>
135 #include <sound/info.h>
136 #include <sound/asoundef.h>
137 #include <sound/rawmidi.h>
138 #include <sound/hwdep.h>
139 #include <sound/initval.h>
140 
141 #include <sound/hdspm.h>
142 
143 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	  /* Index 0-MAX */
144 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	  /* ID for this card */
145 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
146 
147 module_param_array(index, int, NULL, 0444);
148 MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");
149 
150 module_param_array(id, charp, NULL, 0444);
151 MODULE_PARM_DESC(id, "ID string for RME HDSPM interface.");
152 
153 module_param_array(enable, bool, NULL, 0444);
154 MODULE_PARM_DESC(enable, "Enable/disable specific HDSPM soundcards.");
155 
156 
157 MODULE_AUTHOR
158 (
159 	"Winfried Ritsch <ritsch_AT_iem.at>, "
160 	"Paul Davis <paul@linuxaudiosystems.com>, "
161 	"Marcus Andersson, Thomas Charbonnel <thomas@undata.org>, "
162 	"Remy Bruno <remy.bruno@trinnov.com>, "
163 	"Florian Faber <faberman@linuxproaudio.org>, "
164 	"Adrian Knoth <adi@drcomp.erfurt.thur.de>"
165 );
166 MODULE_DESCRIPTION("RME HDSPM");
167 MODULE_LICENSE("GPL");
168 MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");
169 
170 /* --- Write registers. ---
171   These are defined as byte-offsets from the iobase value.  */
172 
173 #define HDSPM_WR_SETTINGS             0
174 #define HDSPM_outputBufferAddress    32
175 #define HDSPM_inputBufferAddress     36
176 #define HDSPM_controlRegister	     64
177 #define HDSPM_interruptConfirmation  96
178 #define HDSPM_control2Reg	     256  /* not in specs ???????? */
179 #define HDSPM_freqReg                256  /* for setting arbitrary clock values (DDS feature) */
180 #define HDSPM_midiDataOut0	     352  /* just believe in old code */
181 #define HDSPM_midiDataOut1	     356
182 #define HDSPM_eeprom_wr		     384  /* for AES32 */
183 
184 /* DMA enable for 64 channels, only Bit 0 is relevant */
185 #define HDSPM_outputEnableBase       512  /* 512-767  input  DMA */
186 #define HDSPM_inputEnableBase        768  /* 768-1023 output DMA */
187 
188 /* 16 page addresses for each of the 64 channels DMA buffer in and out
189    (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
190 #define HDSPM_pageAddressBufferOut       8192
191 #define HDSPM_pageAddressBufferIn        (HDSPM_pageAddressBufferOut+64*16*4)
192 
193 #define HDSPM_MADI_mixerBase    32768	/* 32768-65535 for 2x64x64 Fader */
194 
195 #define HDSPM_MATRIX_MIXER_SIZE  8192	/* = 2*64*64 * 4 Byte => 32kB */
196 
197 /* --- Read registers. ---
198    These are defined as byte-offsets from the iobase value */
199 #define HDSPM_statusRegister    0
200 /*#define HDSPM_statusRegister2  96 */
201 /* after RME Windows driver sources, status2 is 4-byte word # 48 = word at
202  * offset 192, for AES32 *and* MADI
203  * => need to check that offset 192 is working on MADI */
204 #define HDSPM_statusRegister2  192
205 #define HDSPM_timecodeRegister 128
206 
207 /* AIO, RayDAT */
208 #define HDSPM_RD_STATUS_0 0
209 #define HDSPM_RD_STATUS_1 64
210 #define HDSPM_RD_STATUS_2 128
211 #define HDSPM_RD_STATUS_3 192
212 
213 #define HDSPM_RD_TCO           256
214 #define HDSPM_RD_PLL_FREQ      512
215 #define HDSPM_WR_TCO           128
216 
217 #define HDSPM_TCO1_TCO_lock			0x00000001
218 #define HDSPM_TCO1_WCK_Input_Range_LSB		0x00000002
219 #define HDSPM_TCO1_WCK_Input_Range_MSB		0x00000004
220 #define HDSPM_TCO1_LTC_Input_valid		0x00000008
221 #define HDSPM_TCO1_WCK_Input_valid		0x00000010
222 #define HDSPM_TCO1_Video_Input_Format_NTSC	0x00000020
223 #define HDSPM_TCO1_Video_Input_Format_PAL	0x00000040
224 
225 #define HDSPM_TCO1_set_TC			0x00000100
226 #define HDSPM_TCO1_set_drop_frame_flag		0x00000200
227 #define HDSPM_TCO1_LTC_Format_LSB		0x00000400
228 #define HDSPM_TCO1_LTC_Format_MSB		0x00000800
229 
230 #define HDSPM_TCO2_TC_run			0x00010000
231 #define HDSPM_TCO2_WCK_IO_ratio_LSB		0x00020000
232 #define HDSPM_TCO2_WCK_IO_ratio_MSB		0x00040000
233 #define HDSPM_TCO2_set_num_drop_frames_LSB	0x00080000
234 #define HDSPM_TCO2_set_num_drop_frames_MSB	0x00100000
235 #define HDSPM_TCO2_set_jam_sync			0x00200000
236 #define HDSPM_TCO2_set_flywheel			0x00400000
237 
238 #define HDSPM_TCO2_set_01_4			0x01000000
239 #define HDSPM_TCO2_set_pull_down		0x02000000
240 #define HDSPM_TCO2_set_pull_up			0x04000000
241 #define HDSPM_TCO2_set_freq			0x08000000
242 #define HDSPM_TCO2_set_term_75R			0x10000000
243 #define HDSPM_TCO2_set_input_LSB		0x20000000
244 #define HDSPM_TCO2_set_input_MSB		0x40000000
245 #define HDSPM_TCO2_set_freq_from_app		0x80000000
246 
247 
248 #define HDSPM_midiDataOut0    352
249 #define HDSPM_midiDataOut1    356
250 #define HDSPM_midiDataOut2    368
251 
252 #define HDSPM_midiDataIn0     360
253 #define HDSPM_midiDataIn1     364
254 #define HDSPM_midiDataIn2     372
255 #define HDSPM_midiDataIn3     376
256 
257 /* status is data bytes in MIDI-FIFO (0-128) */
258 #define HDSPM_midiStatusOut0  384
259 #define HDSPM_midiStatusOut1  388
260 #define HDSPM_midiStatusOut2  400
261 
262 #define HDSPM_midiStatusIn0   392
263 #define HDSPM_midiStatusIn1   396
264 #define HDSPM_midiStatusIn2   404
265 #define HDSPM_midiStatusIn3   408
266 
267 
268 /* the meters are regular i/o-mapped registers, but offset
269    considerably from the rest. the peak registers are reset
270    when read; the least-significant 4 bits are full-scale counters;
271    the actual peak value is in the most-significant 24 bits.
272 */
273 
274 #define HDSPM_MADI_INPUT_PEAK		4096
275 #define HDSPM_MADI_PLAYBACK_PEAK	4352
276 #define HDSPM_MADI_OUTPUT_PEAK		4608
277 
278 #define HDSPM_MADI_INPUT_RMS_L		6144
279 #define HDSPM_MADI_PLAYBACK_RMS_L	6400
280 #define HDSPM_MADI_OUTPUT_RMS_L		6656
281 
282 #define HDSPM_MADI_INPUT_RMS_H		7168
283 #define HDSPM_MADI_PLAYBACK_RMS_H	7424
284 #define HDSPM_MADI_OUTPUT_RMS_H		7680
285 
286 /* --- Control Register bits --------- */
287 #define HDSPM_Start                (1<<0) /* start engine */
288 
289 #define HDSPM_Latency0             (1<<1) /* buffer size = 2^n */
290 #define HDSPM_Latency1             (1<<2) /* where n is defined */
291 #define HDSPM_Latency2             (1<<3) /* by Latency{2,1,0} */
292 
293 #define HDSPM_ClockModeMaster      (1<<4) /* 1=Master, 0=Autosync */
294 #define HDSPM_c0Master		0x1    /* Master clock bit in settings
295 					  register [RayDAT, AIO] */
296 
297 #define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */
298 
299 #define HDSPM_Frequency0  (1<<6)  /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
300 #define HDSPM_Frequency1  (1<<7)  /* 0=32kHz/64kHz */
301 #define HDSPM_DoubleSpeed (1<<8)  /* 0=normal speed, 1=double speed */
302 #define HDSPM_QuadSpeed   (1<<31) /* quad speed bit */
303 
304 #define HDSPM_Professional (1<<9) /* Professional */ /* AES32 ONLY */
305 #define HDSPM_TX_64ch     (1<<10) /* Output 64channel MODE=1,
306 				     56channelMODE=0 */ /* MADI ONLY*/
307 #define HDSPM_Emphasis    (1<<10) /* Emphasis */ /* AES32 ONLY */
308 
309 #define HDSPM_AutoInp     (1<<11) /* Auto Input (takeover) == Safe Mode,
310                                      0=off, 1=on  */ /* MADI ONLY */
311 #define HDSPM_Dolby       (1<<11) /* Dolby = "NonAudio" ?? */ /* AES32 ONLY */
312 
313 #define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax
314 				    * -- MADI ONLY
315 				    */
316 #define HDSPM_InputSelect1 (1<<15) /* should be 0 */
317 
318 #define HDSPM_SyncRef2     (1<<13)
319 #define HDSPM_SyncRef3     (1<<25)
320 
321 #define HDSPM_SMUX         (1<<18) /* Frame ??? */ /* MADI ONY */
322 #define HDSPM_clr_tms      (1<<19) /* clear track marker, do not use
323                                       AES additional bits in
324 				      lower 5 Audiodatabits ??? */
325 #define HDSPM_taxi_reset   (1<<20) /* ??? */ /* MADI ONLY ? */
326 #define HDSPM_WCK48        (1<<20) /* Frame ??? = HDSPM_SMUX */ /* AES32 ONLY */
327 
328 #define HDSPM_Midi0InterruptEnable 0x0400000
329 #define HDSPM_Midi1InterruptEnable 0x0800000
330 #define HDSPM_Midi2InterruptEnable 0x0200000
331 #define HDSPM_Midi3InterruptEnable 0x4000000
332 
333 #define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */
334 #define HDSPe_FLOAT_FORMAT         0x2000000
335 
336 #define HDSPM_DS_DoubleWire (1<<26) /* AES32 ONLY */
337 #define HDSPM_QS_DoubleWire (1<<27) /* AES32 ONLY */
338 #define HDSPM_QS_QuadWire   (1<<28) /* AES32 ONLY */
339 
340 #define HDSPM_wclk_sel (1<<30)
341 
342 /* additional control register bits for AIO*/
343 #define HDSPM_c0_Wck48				0x20 /* also RayDAT */
344 #define HDSPM_c0_Input0				0x1000
345 #define HDSPM_c0_Input1				0x2000
346 #define HDSPM_c0_Spdif_Opt			0x4000
347 #define HDSPM_c0_Pro				0x8000
348 #define HDSPM_c0_clr_tms			0x10000
349 #define HDSPM_c0_AEB1				0x20000
350 #define HDSPM_c0_AEB2				0x40000
351 #define HDSPM_c0_LineOut			0x80000
352 #define HDSPM_c0_AD_GAIN0			0x100000
353 #define HDSPM_c0_AD_GAIN1			0x200000
354 #define HDSPM_c0_DA_GAIN0			0x400000
355 #define HDSPM_c0_DA_GAIN1			0x800000
356 #define HDSPM_c0_PH_GAIN0			0x1000000
357 #define HDSPM_c0_PH_GAIN1			0x2000000
358 #define HDSPM_c0_Sym6db				0x4000000
359 
360 
361 /* --- bit helper defines */
362 #define HDSPM_LatencyMask    (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
363 #define HDSPM_FrequencyMask  (HDSPM_Frequency0|HDSPM_Frequency1|\
364 			      HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
365 #define HDSPM_InputMask      (HDSPM_InputSelect0|HDSPM_InputSelect1)
366 #define HDSPM_InputOptical   0
367 #define HDSPM_InputCoaxial   (HDSPM_InputSelect0)
368 #define HDSPM_SyncRefMask    (HDSPM_SyncRef0|HDSPM_SyncRef1|\
369 			      HDSPM_SyncRef2|HDSPM_SyncRef3)
370 
371 #define HDSPM_c0_SyncRef0      0x2
372 #define HDSPM_c0_SyncRef1      0x4
373 #define HDSPM_c0_SyncRef2      0x8
374 #define HDSPM_c0_SyncRef3      0x10
375 #define HDSPM_c0_SyncRefMask   (HDSPM_c0_SyncRef0 | HDSPM_c0_SyncRef1 |\
376 				HDSPM_c0_SyncRef2 | HDSPM_c0_SyncRef3)
377 
378 #define HDSPM_SYNC_FROM_WORD    0	/* Preferred sync reference */
379 #define HDSPM_SYNC_FROM_MADI    1	/* choices - used by "pref_sync_ref" */
380 #define HDSPM_SYNC_FROM_TCO     2
381 #define HDSPM_SYNC_FROM_SYNC_IN 3
382 
383 #define HDSPM_Frequency32KHz    HDSPM_Frequency0
384 #define HDSPM_Frequency44_1KHz  HDSPM_Frequency1
385 #define HDSPM_Frequency48KHz   (HDSPM_Frequency1|HDSPM_Frequency0)
386 #define HDSPM_Frequency64KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency0)
387 #define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
388 #define HDSPM_Frequency96KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency1|\
389 				HDSPM_Frequency0)
390 #define HDSPM_Frequency128KHz   (HDSPM_QuadSpeed|HDSPM_Frequency0)
391 #define HDSPM_Frequency176_4KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1)
392 #define HDSPM_Frequency192KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1|\
393 				 HDSPM_Frequency0)
394 
395 
396 /* Synccheck Status */
397 #define HDSPM_SYNC_CHECK_NO_LOCK 0
398 #define HDSPM_SYNC_CHECK_LOCK    1
399 #define HDSPM_SYNC_CHECK_SYNC	 2
400 
401 /* AutoSync References - used by "autosync_ref" control switch */
402 #define HDSPM_AUTOSYNC_FROM_WORD      0
403 #define HDSPM_AUTOSYNC_FROM_MADI      1
404 #define HDSPM_AUTOSYNC_FROM_TCO       2
405 #define HDSPM_AUTOSYNC_FROM_SYNC_IN   3
406 #define HDSPM_AUTOSYNC_FROM_NONE      4
407 
408 /* Possible sources of MADI input */
409 #define HDSPM_OPTICAL 0		/* optical   */
410 #define HDSPM_COAXIAL 1		/* BNC */
411 
412 #define hdspm_encode_latency(x)       (((x)<<1) & HDSPM_LatencyMask)
413 #define hdspm_decode_latency(x)       ((((x) & HDSPM_LatencyMask)>>1))
414 
415 #define hdspm_encode_in(x) (((x)&0x3)<<14)
416 #define hdspm_decode_in(x) (((x)>>14)&0x3)
417 
418 /* --- control2 register bits --- */
419 #define HDSPM_TMS             (1<<0)
420 #define HDSPM_TCK             (1<<1)
421 #define HDSPM_TDI             (1<<2)
422 #define HDSPM_JTAG            (1<<3)
423 #define HDSPM_PWDN            (1<<4)
424 #define HDSPM_PROGRAM	      (1<<5)
425 #define HDSPM_CONFIG_MODE_0   (1<<6)
426 #define HDSPM_CONFIG_MODE_1   (1<<7)
427 /*#define HDSPM_VERSION_BIT     (1<<8) not defined any more*/
428 #define HDSPM_BIGENDIAN_MODE  (1<<9)
429 #define HDSPM_RD_MULTIPLE     (1<<10)
430 
431 /* --- Status Register bits --- */ /* MADI ONLY */ /* Bits defined here and
432      that do not conflict with specific bits for AES32 seem to be valid also
433      for the AES32
434  */
435 #define HDSPM_audioIRQPending    (1<<0)	/* IRQ is high and pending */
436 #define HDSPM_RX_64ch            (1<<1)	/* Input 64chan. MODE=1, 56chn MODE=0 */
437 #define HDSPM_AB_int             (1<<2)	/* InputChannel Opt=0, Coax=1
438 					 * (like inp0)
439 					 */
440 
441 #define HDSPM_madiLock           (1<<3)	/* MADI Locked =1, no=0 */
442 #define HDSPM_madiSync          (1<<18) /* MADI is in sync */
443 
444 #define HDSPM_tcoLockMadi    0x00000020 /* Optional TCO locked status for HDSPe MADI*/
445 #define HDSPM_tcoSync    0x10000000 /* Optional TCO sync status for HDSPe MADI and AES32!*/
446 
447 #define HDSPM_syncInLock 0x00010000 /* Sync In lock status for HDSPe MADI! */
448 #define HDSPM_syncInSync 0x00020000 /* Sync In sync status for HDSPe MADI! */
449 
450 #define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
451 			/* since 64byte accurate, last 6 bits are not used */
452 
453 
454 
455 #define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */
456 
457 #define HDSPM_madiFreq0         (1<<22)	/* system freq 0=error */
458 #define HDSPM_madiFreq1         (1<<23)	/* 1=32, 2=44.1 3=48 */
459 #define HDSPM_madiFreq2         (1<<24)	/* 4=64, 5=88.2 6=96 */
460 #define HDSPM_madiFreq3         (1<<25)	/* 7=128, 8=176.4 9=192 */
461 
462 #define HDSPM_BufferID          (1<<26)	/* (Double)Buffer ID toggles with
463 					 * Interrupt
464 					 */
465 #define HDSPM_tco_detect         0x08000000
466 #define HDSPM_tcoLockAes         0x20000000 /* Optional TCO locked status for HDSPe AES */
467 
468 #define HDSPM_s2_tco_detect      0x00000040
469 #define HDSPM_s2_AEBO_D          0x00000080
470 #define HDSPM_s2_AEBI_D          0x00000100
471 
472 
473 #define HDSPM_midi0IRQPending    0x40000000
474 #define HDSPM_midi1IRQPending    0x80000000
475 #define HDSPM_midi2IRQPending    0x20000000
476 #define HDSPM_midi2IRQPendingAES 0x00000020
477 #define HDSPM_midi3IRQPending    0x00200000
478 
479 /* --- status bit helpers */
480 #define HDSPM_madiFreqMask  (HDSPM_madiFreq0|HDSPM_madiFreq1|\
481 			     HDSPM_madiFreq2|HDSPM_madiFreq3)
482 #define HDSPM_madiFreq32    (HDSPM_madiFreq0)
483 #define HDSPM_madiFreq44_1  (HDSPM_madiFreq1)
484 #define HDSPM_madiFreq48    (HDSPM_madiFreq0|HDSPM_madiFreq1)
485 #define HDSPM_madiFreq64    (HDSPM_madiFreq2)
486 #define HDSPM_madiFreq88_2  (HDSPM_madiFreq0|HDSPM_madiFreq2)
487 #define HDSPM_madiFreq96    (HDSPM_madiFreq1|HDSPM_madiFreq2)
488 #define HDSPM_madiFreq128   (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
489 #define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
490 #define HDSPM_madiFreq192   (HDSPM_madiFreq3|HDSPM_madiFreq0)
491 
492 /* Status2 Register bits */ /* MADI ONLY */
493 
494 #define HDSPM_version0 (1<<0)	/* not really defined but I guess */
495 #define HDSPM_version1 (1<<1)	/* in former cards it was ??? */
496 #define HDSPM_version2 (1<<2)
497 
498 #define HDSPM_wcLock (1<<3)	/* Wordclock is detected and locked */
499 #define HDSPM_wcSync (1<<4)	/* Wordclock is in sync with systemclock */
500 
501 #define HDSPM_wc_freq0 (1<<5)	/* input freq detected via autosync  */
502 #define HDSPM_wc_freq1 (1<<6)	/* 001=32, 010==44.1, 011=48, */
503 #define HDSPM_wc_freq2 (1<<7)	/* 100=64, 101=88.2, 110=96, 111=128 */
504 #define HDSPM_wc_freq3 0x800	/* 1000=176.4, 1001=192 */
505 
506 #define HDSPM_SyncRef0 0x10000  /* Sync Reference */
507 #define HDSPM_SyncRef1 0x20000
508 
509 #define HDSPM_SelSyncRef0 (1<<8)	/* AutoSync Source */
510 #define HDSPM_SelSyncRef1 (1<<9)	/* 000=word, 001=MADI, */
511 #define HDSPM_SelSyncRef2 (1<<10)	/* 111=no valid signal */
512 
513 #define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)
514 
515 #define HDSPM_wcFreqMask  (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2|\
516 			    HDSPM_wc_freq3)
517 #define HDSPM_wcFreq32    (HDSPM_wc_freq0)
518 #define HDSPM_wcFreq44_1  (HDSPM_wc_freq1)
519 #define HDSPM_wcFreq48    (HDSPM_wc_freq0|HDSPM_wc_freq1)
520 #define HDSPM_wcFreq64    (HDSPM_wc_freq2)
521 #define HDSPM_wcFreq88_2  (HDSPM_wc_freq0|HDSPM_wc_freq2)
522 #define HDSPM_wcFreq96    (HDSPM_wc_freq1|HDSPM_wc_freq2)
523 #define HDSPM_wcFreq128   (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
524 #define HDSPM_wcFreq176_4 (HDSPM_wc_freq3)
525 #define HDSPM_wcFreq192   (HDSPM_wc_freq0|HDSPM_wc_freq3)
526 
527 #define HDSPM_status1_F_0 0x0400000
528 #define HDSPM_status1_F_1 0x0800000
529 #define HDSPM_status1_F_2 0x1000000
530 #define HDSPM_status1_F_3 0x2000000
531 #define HDSPM_status1_freqMask (HDSPM_status1_F_0|HDSPM_status1_F_1|HDSPM_status1_F_2|HDSPM_status1_F_3)
532 
533 
534 #define HDSPM_SelSyncRefMask       (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
535 				    HDSPM_SelSyncRef2)
536 #define HDSPM_SelSyncRef_WORD      0
537 #define HDSPM_SelSyncRef_MADI      (HDSPM_SelSyncRef0)
538 #define HDSPM_SelSyncRef_TCO       (HDSPM_SelSyncRef1)
539 #define HDSPM_SelSyncRef_SyncIn    (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1)
540 #define HDSPM_SelSyncRef_NVALID    (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
541 				    HDSPM_SelSyncRef2)
542 
543 /*
544    For AES32, bits for status, status2 and timecode are different
545 */
546 /* status */
547 #define HDSPM_AES32_wcLock	0x0200000
548 #define HDSPM_AES32_wcSync	0x0100000
549 #define HDSPM_AES32_wcFreq_bit  22
550 /* (status >> HDSPM_AES32_wcFreq_bit) & 0xF gives WC frequency (cf function
551   HDSPM_bit2freq */
552 #define HDSPM_AES32_syncref_bit  16
553 /* (status >> HDSPM_AES32_syncref_bit) & 0xF gives sync source */
554 
555 #define HDSPM_AES32_AUTOSYNC_FROM_WORD 0
556 #define HDSPM_AES32_AUTOSYNC_FROM_AES1 1
557 #define HDSPM_AES32_AUTOSYNC_FROM_AES2 2
558 #define HDSPM_AES32_AUTOSYNC_FROM_AES3 3
559 #define HDSPM_AES32_AUTOSYNC_FROM_AES4 4
560 #define HDSPM_AES32_AUTOSYNC_FROM_AES5 5
561 #define HDSPM_AES32_AUTOSYNC_FROM_AES6 6
562 #define HDSPM_AES32_AUTOSYNC_FROM_AES7 7
563 #define HDSPM_AES32_AUTOSYNC_FROM_AES8 8
564 #define HDSPM_AES32_AUTOSYNC_FROM_TCO 9
565 #define HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN 10
566 #define HDSPM_AES32_AUTOSYNC_FROM_NONE 11
567 
568 /*  status2 */
569 /* HDSPM_LockAES_bit is given by HDSPM_LockAES >> (AES# - 1) */
570 #define HDSPM_LockAES   0x80
571 #define HDSPM_LockAES1  0x80
572 #define HDSPM_LockAES2  0x40
573 #define HDSPM_LockAES3  0x20
574 #define HDSPM_LockAES4  0x10
575 #define HDSPM_LockAES5  0x8
576 #define HDSPM_LockAES6  0x4
577 #define HDSPM_LockAES7  0x2
578 #define HDSPM_LockAES8  0x1
579 /*
580    Timecode
581    After windows driver sources, bits 4*i to 4*i+3 give the input frequency on
582    AES i+1
583  bits 3210
584       0001  32kHz
585       0010  44.1kHz
586       0011  48kHz
587       0100  64kHz
588       0101  88.2kHz
589       0110  96kHz
590       0111  128kHz
591       1000  176.4kHz
592       1001  192kHz
593   NB: Timecode register doesn't seem to work on AES32 card revision 230
594 */
595 
596 /* Mixer Values */
597 #define UNITY_GAIN          32768	/* = 65536/2 */
598 #define MINUS_INFINITY_GAIN 0
599 
600 /* Number of channels for different Speed Modes */
601 #define MADI_SS_CHANNELS       64
602 #define MADI_DS_CHANNELS       32
603 #define MADI_QS_CHANNELS       16
604 
605 #define RAYDAT_SS_CHANNELS     36
606 #define RAYDAT_DS_CHANNELS     20
607 #define RAYDAT_QS_CHANNELS     12
608 
609 #define AIO_IN_SS_CHANNELS        14
610 #define AIO_IN_DS_CHANNELS        10
611 #define AIO_IN_QS_CHANNELS        8
612 #define AIO_OUT_SS_CHANNELS        16
613 #define AIO_OUT_DS_CHANNELS        12
614 #define AIO_OUT_QS_CHANNELS        10
615 
616 #define AES32_CHANNELS		16
617 
618 /* the size of a substream (1 mono data stream) */
619 #define HDSPM_CHANNEL_BUFFER_SAMPLES  (16*1024)
620 #define HDSPM_CHANNEL_BUFFER_BYTES    (4*HDSPM_CHANNEL_BUFFER_SAMPLES)
621 
622 /* the size of the area we need to allocate for DMA transfers. the
623    size is the same regardless of the number of channels, and
624    also the latency to use.
625    for one direction !!!
626 */
627 #define HDSPM_DMA_AREA_BYTES (HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
628 #define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)
629 
630 #define HDSPM_RAYDAT_REV	211
631 #define HDSPM_AIO_REV		212
632 #define HDSPM_MADIFACE_REV	213
633 
634 /* speed factor modes */
635 #define HDSPM_SPEED_SINGLE 0
636 #define HDSPM_SPEED_DOUBLE 1
637 #define HDSPM_SPEED_QUAD   2
638 
639 /* names for speed modes */
640 static char *hdspm_speed_names[] = { "single", "double", "quad" };
641 
642 static const char *const texts_autosync_aes_tco[] = { "Word Clock",
643 					  "AES1", "AES2", "AES3", "AES4",
644 					  "AES5", "AES6", "AES7", "AES8",
645 					  "TCO", "Sync In"
646 };
647 static const char *const texts_autosync_aes[] = { "Word Clock",
648 				      "AES1", "AES2", "AES3", "AES4",
649 				      "AES5", "AES6", "AES7", "AES8",
650 				      "Sync In"
651 };
652 static const char *const texts_autosync_madi_tco[] = { "Word Clock",
653 					   "MADI", "TCO", "Sync In" };
654 static const char *const texts_autosync_madi[] = { "Word Clock",
655 				       "MADI", "Sync In" };
656 
657 static const char *const texts_autosync_raydat_tco[] = {
658 	"Word Clock",
659 	"ADAT 1", "ADAT 2", "ADAT 3", "ADAT 4",
660 	"AES", "SPDIF", "TCO", "Sync In"
661 };
662 static const char *const texts_autosync_raydat[] = {
663 	"Word Clock",
664 	"ADAT 1", "ADAT 2", "ADAT 3", "ADAT 4",
665 	"AES", "SPDIF", "Sync In"
666 };
667 static const char *const texts_autosync_aio_tco[] = {
668 	"Word Clock",
669 	"ADAT", "AES", "SPDIF", "TCO", "Sync In"
670 };
671 static const char *const texts_autosync_aio[] = { "Word Clock",
672 				      "ADAT", "AES", "SPDIF", "Sync In" };
673 
674 static const char *const texts_freq[] = {
675 	"No Lock",
676 	"32 kHz",
677 	"44.1 kHz",
678 	"48 kHz",
679 	"64 kHz",
680 	"88.2 kHz",
681 	"96 kHz",
682 	"128 kHz",
683 	"176.4 kHz",
684 	"192 kHz"
685 };
686 
687 static char *texts_ports_madi[] = {
688 	"MADI.1", "MADI.2", "MADI.3", "MADI.4", "MADI.5", "MADI.6",
689 	"MADI.7", "MADI.8", "MADI.9", "MADI.10", "MADI.11", "MADI.12",
690 	"MADI.13", "MADI.14", "MADI.15", "MADI.16", "MADI.17", "MADI.18",
691 	"MADI.19", "MADI.20", "MADI.21", "MADI.22", "MADI.23", "MADI.24",
692 	"MADI.25", "MADI.26", "MADI.27", "MADI.28", "MADI.29", "MADI.30",
693 	"MADI.31", "MADI.32", "MADI.33", "MADI.34", "MADI.35", "MADI.36",
694 	"MADI.37", "MADI.38", "MADI.39", "MADI.40", "MADI.41", "MADI.42",
695 	"MADI.43", "MADI.44", "MADI.45", "MADI.46", "MADI.47", "MADI.48",
696 	"MADI.49", "MADI.50", "MADI.51", "MADI.52", "MADI.53", "MADI.54",
697 	"MADI.55", "MADI.56", "MADI.57", "MADI.58", "MADI.59", "MADI.60",
698 	"MADI.61", "MADI.62", "MADI.63", "MADI.64",
699 };
700 
701 
702 static char *texts_ports_raydat_ss[] = {
703 	"ADAT1.1", "ADAT1.2", "ADAT1.3", "ADAT1.4", "ADAT1.5", "ADAT1.6",
704 	"ADAT1.7", "ADAT1.8", "ADAT2.1", "ADAT2.2", "ADAT2.3", "ADAT2.4",
705 	"ADAT2.5", "ADAT2.6", "ADAT2.7", "ADAT2.8", "ADAT3.1", "ADAT3.2",
706 	"ADAT3.3", "ADAT3.4", "ADAT3.5", "ADAT3.6", "ADAT3.7", "ADAT3.8",
707 	"ADAT4.1", "ADAT4.2", "ADAT4.3", "ADAT4.4", "ADAT4.5", "ADAT4.6",
708 	"ADAT4.7", "ADAT4.8",
709 	"AES.L", "AES.R",
710 	"SPDIF.L", "SPDIF.R"
711 };
712 
713 static char *texts_ports_raydat_ds[] = {
714 	"ADAT1.1", "ADAT1.2", "ADAT1.3", "ADAT1.4",
715 	"ADAT2.1", "ADAT2.2", "ADAT2.3", "ADAT2.4",
716 	"ADAT3.1", "ADAT3.2", "ADAT3.3", "ADAT3.4",
717 	"ADAT4.1", "ADAT4.2", "ADAT4.3", "ADAT4.4",
718 	"AES.L", "AES.R",
719 	"SPDIF.L", "SPDIF.R"
720 };
721 
722 static char *texts_ports_raydat_qs[] = {
723 	"ADAT1.1", "ADAT1.2",
724 	"ADAT2.1", "ADAT2.2",
725 	"ADAT3.1", "ADAT3.2",
726 	"ADAT4.1", "ADAT4.2",
727 	"AES.L", "AES.R",
728 	"SPDIF.L", "SPDIF.R"
729 };
730 
731 
732 static char *texts_ports_aio_in_ss[] = {
733 	"Analogue.L", "Analogue.R",
734 	"AES.L", "AES.R",
735 	"SPDIF.L", "SPDIF.R",
736 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4", "ADAT.5", "ADAT.6",
737 	"ADAT.7", "ADAT.8",
738 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
739 };
740 
741 static char *texts_ports_aio_out_ss[] = {
742 	"Analogue.L", "Analogue.R",
743 	"AES.L", "AES.R",
744 	"SPDIF.L", "SPDIF.R",
745 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4", "ADAT.5", "ADAT.6",
746 	"ADAT.7", "ADAT.8",
747 	"Phone.L", "Phone.R",
748 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
749 };
750 
751 static char *texts_ports_aio_in_ds[] = {
752 	"Analogue.L", "Analogue.R",
753 	"AES.L", "AES.R",
754 	"SPDIF.L", "SPDIF.R",
755 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
756 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
757 };
758 
759 static char *texts_ports_aio_out_ds[] = {
760 	"Analogue.L", "Analogue.R",
761 	"AES.L", "AES.R",
762 	"SPDIF.L", "SPDIF.R",
763 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
764 	"Phone.L", "Phone.R",
765 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
766 };
767 
768 static char *texts_ports_aio_in_qs[] = {
769 	"Analogue.L", "Analogue.R",
770 	"AES.L", "AES.R",
771 	"SPDIF.L", "SPDIF.R",
772 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
773 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
774 };
775 
776 static char *texts_ports_aio_out_qs[] = {
777 	"Analogue.L", "Analogue.R",
778 	"AES.L", "AES.R",
779 	"SPDIF.L", "SPDIF.R",
780 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
781 	"Phone.L", "Phone.R",
782 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
783 };
784 
785 static char *texts_ports_aes32[] = {
786 	"AES.1", "AES.2", "AES.3", "AES.4", "AES.5", "AES.6", "AES.7",
787 	"AES.8", "AES.9.", "AES.10", "AES.11", "AES.12", "AES.13", "AES.14",
788 	"AES.15", "AES.16"
789 };
790 
791 /* These tables map the ALSA channels 1..N to the channels that we
792    need to use in order to find the relevant channel buffer. RME
793    refers to this kind of mapping as between "the ADAT channel and
794    the DMA channel." We index it using the logical audio channel,
795    and the value is the DMA channel (i.e. channel buffer number)
796    where the data for that channel can be read/written from/to.
797 */
798 
799 static char channel_map_unity_ss[HDSPM_MAX_CHANNELS] = {
800 	0, 1, 2, 3, 4, 5, 6, 7,
801 	8, 9, 10, 11, 12, 13, 14, 15,
802 	16, 17, 18, 19, 20, 21, 22, 23,
803 	24, 25, 26, 27, 28, 29, 30, 31,
804 	32, 33, 34, 35, 36, 37, 38, 39,
805 	40, 41, 42, 43, 44, 45, 46, 47,
806 	48, 49, 50, 51, 52, 53, 54, 55,
807 	56, 57, 58, 59, 60, 61, 62, 63
808 };
809 
810 static char channel_map_raydat_ss[HDSPM_MAX_CHANNELS] = {
811 	4, 5, 6, 7, 8, 9, 10, 11,	/* ADAT 1 */
812 	12, 13, 14, 15, 16, 17, 18, 19,	/* ADAT 2 */
813 	20, 21, 22, 23, 24, 25, 26, 27,	/* ADAT 3 */
814 	28, 29, 30, 31, 32, 33, 34, 35,	/* ADAT 4 */
815 	0, 1,			/* AES */
816 	2, 3,			/* SPDIF */
817 	-1, -1, -1, -1,
818 	-1, -1, -1, -1, -1, -1, -1, -1,
819 	-1, -1, -1, -1, -1, -1, -1, -1,
820 	-1, -1, -1, -1, -1, -1, -1, -1,
821 };
822 
823 static char channel_map_raydat_ds[HDSPM_MAX_CHANNELS] = {
824 	4, 5, 6, 7,		/* ADAT 1 */
825 	8, 9, 10, 11,		/* ADAT 2 */
826 	12, 13, 14, 15,		/* ADAT 3 */
827 	16, 17, 18, 19,		/* ADAT 4 */
828 	0, 1,			/* AES */
829 	2, 3,			/* SPDIF */
830 	-1, -1, -1, -1,
831 	-1, -1, -1, -1, -1, -1, -1, -1,
832 	-1, -1, -1, -1, -1, -1, -1, -1,
833 	-1, -1, -1, -1, -1, -1, -1, -1,
834 	-1, -1, -1, -1, -1, -1, -1, -1,
835 	-1, -1, -1, -1, -1, -1, -1, -1,
836 };
837 
838 static char channel_map_raydat_qs[HDSPM_MAX_CHANNELS] = {
839 	4, 5,			/* ADAT 1 */
840 	6, 7,			/* ADAT 2 */
841 	8, 9,			/* ADAT 3 */
842 	10, 11,			/* ADAT 4 */
843 	0, 1,			/* AES */
844 	2, 3,			/* SPDIF */
845 	-1, -1, -1, -1,
846 	-1, -1, -1, -1, -1, -1, -1, -1,
847 	-1, -1, -1, -1, -1, -1, -1, -1,
848 	-1, -1, -1, -1, -1, -1, -1, -1,
849 	-1, -1, -1, -1, -1, -1, -1, -1,
850 	-1, -1, -1, -1, -1, -1, -1, -1,
851 	-1, -1, -1, -1, -1, -1, -1, -1,
852 };
853 
854 static char channel_map_aio_in_ss[HDSPM_MAX_CHANNELS] = {
855 	0, 1,			/* line in */
856 	8, 9,			/* aes in, */
857 	10, 11,			/* spdif in */
858 	12, 13, 14, 15, 16, 17, 18, 19,	/* ADAT in */
859 	2, 3, 4, 5,		/* AEB */
860 	-1, -1, -1, -1, -1, -1,
861 	-1, -1, -1, -1, -1, -1, -1, -1,
862 	-1, -1, -1, -1, -1, -1, -1, -1,
863 	-1, -1, -1, -1, -1, -1, -1, -1,
864 	-1, -1, -1, -1, -1, -1, -1, -1,
865 	-1, -1, -1, -1, -1, -1, -1, -1,
866 };
867 
868 static char channel_map_aio_out_ss[HDSPM_MAX_CHANNELS] = {
869 	0, 1,			/* line out */
870 	8, 9,			/* aes out */
871 	10, 11,			/* spdif out */
872 	12, 13, 14, 15, 16, 17, 18, 19,	/* ADAT out */
873 	6, 7,			/* phone out */
874 	2, 3, 4, 5,		/* AEB */
875 	-1, -1, -1, -1,
876 	-1, -1, -1, -1, -1, -1, -1, -1,
877 	-1, -1, -1, -1, -1, -1, -1, -1,
878 	-1, -1, -1, -1, -1, -1, -1, -1,
879 	-1, -1, -1, -1, -1, -1, -1, -1,
880 	-1, -1, -1, -1, -1, -1, -1, -1,
881 };
882 
883 static char channel_map_aio_in_ds[HDSPM_MAX_CHANNELS] = {
884 	0, 1,			/* line in */
885 	8, 9,			/* aes in */
886 	10, 11,			/* spdif in */
887 	12, 14, 16, 18,		/* adat in */
888 	2, 3, 4, 5,		/* AEB */
889 	-1, -1,
890 	-1, -1, -1, -1, -1, -1, -1, -1,
891 	-1, -1, -1, -1, -1, -1, -1, -1,
892 	-1, -1, -1, -1, -1, -1, -1, -1,
893 	-1, -1, -1, -1, -1, -1, -1, -1,
894 	-1, -1, -1, -1, -1, -1, -1, -1,
895 	-1, -1, -1, -1, -1, -1, -1, -1
896 };
897 
898 static char channel_map_aio_out_ds[HDSPM_MAX_CHANNELS] = {
899 	0, 1,			/* line out */
900 	8, 9,			/* aes out */
901 	10, 11,			/* spdif out */
902 	12, 14, 16, 18,		/* adat out */
903 	6, 7,			/* phone out */
904 	2, 3, 4, 5,		/* AEB */
905 	-1, -1, -1, -1, -1, -1, -1, -1,
906 	-1, -1, -1, -1, -1, -1, -1, -1,
907 	-1, -1, -1, -1, -1, -1, -1, -1,
908 	-1, -1, -1, -1, -1, -1, -1, -1,
909 	-1, -1, -1, -1, -1, -1, -1, -1,
910 	-1, -1, -1, -1, -1, -1, -1, -1
911 };
912 
913 static char channel_map_aio_in_qs[HDSPM_MAX_CHANNELS] = {
914 	0, 1,			/* line in */
915 	8, 9,			/* aes in */
916 	10, 11,			/* spdif in */
917 	12, 16,			/* adat in */
918 	2, 3, 4, 5,		/* AEB */
919 	-1, -1, -1, -1,
920 	-1, -1, -1, -1, -1, -1, -1, -1,
921 	-1, -1, -1, -1, -1, -1, -1, -1,
922 	-1, -1, -1, -1, -1, -1, -1, -1,
923 	-1, -1, -1, -1, -1, -1, -1, -1,
924 	-1, -1, -1, -1, -1, -1, -1, -1,
925 	-1, -1, -1, -1, -1, -1, -1, -1
926 };
927 
928 static char channel_map_aio_out_qs[HDSPM_MAX_CHANNELS] = {
929 	0, 1,			/* line out */
930 	8, 9,			/* aes out */
931 	10, 11,			/* spdif out */
932 	12, 16,			/* adat out */
933 	6, 7,			/* phone out */
934 	2, 3, 4, 5,		/* AEB */
935 	-1, -1,
936 	-1, -1, -1, -1, -1, -1, -1, -1,
937 	-1, -1, -1, -1, -1, -1, -1, -1,
938 	-1, -1, -1, -1, -1, -1, -1, -1,
939 	-1, -1, -1, -1, -1, -1, -1, -1,
940 	-1, -1, -1, -1, -1, -1, -1, -1,
941 	-1, -1, -1, -1, -1, -1, -1, -1
942 };
943 
944 static char channel_map_aes32[HDSPM_MAX_CHANNELS] = {
945 	0, 1, 2, 3, 4, 5, 6, 7,
946 	8, 9, 10, 11, 12, 13, 14, 15,
947 	-1, -1, -1, -1, -1, -1, -1, -1,
948 	-1, -1, -1, -1, -1, -1, -1, -1,
949 	-1, -1, -1, -1, -1, -1, -1, -1,
950 	-1, -1, -1, -1, -1, -1, -1, -1,
951 	-1, -1, -1, -1, -1, -1, -1, -1,
952 	-1, -1, -1, -1, -1, -1, -1, -1
953 };
954 
955 struct hdspm_midi {
956 	struct hdspm *hdspm;
957 	int id;
958 	struct snd_rawmidi *rmidi;
959 	struct snd_rawmidi_substream *input;
960 	struct snd_rawmidi_substream *output;
961 	char istimer;		/* timer in use */
962 	struct timer_list timer;
963 	spinlock_t lock;
964 	int pending;
965 	int dataIn;
966 	int statusIn;
967 	int dataOut;
968 	int statusOut;
969 	int ie;
970 	int irq;
971 };
972 
973 struct hdspm_tco {
974 	int input; /* 0: LTC, 1:Video, 2: WC*/
975 	int framerate; /* 0=24, 1=25, 2=29.97, 3=29.97d, 4=30, 5=30d */
976 	int wordclock; /* 0=1:1, 1=44.1->48, 2=48->44.1 */
977 	int samplerate; /* 0=44.1, 1=48, 2= freq from app */
978 	int pull; /*   0=0, 1=+0.1%, 2=-0.1%, 3=+4%, 4=-4%*/
979 	int term; /* 0 = off, 1 = on */
980 };
981 
982 struct hdspm {
983         spinlock_t lock;
984 	/* only one playback and/or capture stream */
985         struct snd_pcm_substream *capture_substream;
986         struct snd_pcm_substream *playback_substream;
987 
988 	char *card_name;	     /* for procinfo */
989 	unsigned short firmware_rev; /* dont know if relevant (yes if AES32)*/
990 
991 	uint8_t io_type;
992 
993 	int monitor_outs;	/* set up monitoring outs init flag */
994 
995 	u32 control_register;	/* cached value */
996 	u32 control2_register;	/* cached value */
997 	u32 settings_register;  /* cached value for AIO / RayDat (sync reference, master/slave) */
998 
999 	struct hdspm_midi midi[4];
1000 	struct tasklet_struct midi_tasklet;
1001 
1002 	size_t period_bytes;
1003 	unsigned char ss_in_channels;
1004 	unsigned char ds_in_channels;
1005 	unsigned char qs_in_channels;
1006 	unsigned char ss_out_channels;
1007 	unsigned char ds_out_channels;
1008 	unsigned char qs_out_channels;
1009 
1010 	unsigned char max_channels_in;
1011 	unsigned char max_channels_out;
1012 
1013 	signed char *channel_map_in;
1014 	signed char *channel_map_out;
1015 
1016 	signed char *channel_map_in_ss, *channel_map_in_ds, *channel_map_in_qs;
1017 	signed char *channel_map_out_ss, *channel_map_out_ds, *channel_map_out_qs;
1018 
1019 	char **port_names_in;
1020 	char **port_names_out;
1021 
1022 	char **port_names_in_ss, **port_names_in_ds, **port_names_in_qs;
1023 	char **port_names_out_ss, **port_names_out_ds, **port_names_out_qs;
1024 
1025 	unsigned char *playback_buffer;	/* suitably aligned address */
1026 	unsigned char *capture_buffer;	/* suitably aligned address */
1027 
1028 	pid_t capture_pid;	/* process id which uses capture */
1029 	pid_t playback_pid;	/* process id which uses capture */
1030 	int running;		/* running status */
1031 
1032 	int last_external_sample_rate;	/* samplerate mystic ... */
1033 	int last_internal_sample_rate;
1034 	int system_sample_rate;
1035 
1036 	int dev;		/* Hardware vars... */
1037 	int irq;
1038 	unsigned long port;
1039 	void __iomem *iobase;
1040 
1041 	int irq_count;		/* for debug */
1042 	int midiPorts;
1043 
1044 	struct snd_card *card;	/* one card */
1045 	struct snd_pcm *pcm;		/* has one pcm */
1046 	struct snd_hwdep *hwdep;	/* and a hwdep for additional ioctl */
1047 	struct pci_dev *pci;	/* and an pci info */
1048 
1049 	/* Mixer vars */
1050 	/* fast alsa mixer */
1051 	struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
1052 	/* but input to much, so not used */
1053 	struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];
1054 	/* full mixer accessible over mixer ioctl or hwdep-device */
1055 	struct hdspm_mixer *mixer;
1056 
1057 	struct hdspm_tco *tco;  /* NULL if no TCO detected */
1058 
1059 	const char *const *texts_autosync;
1060 	int texts_autosync_items;
1061 
1062 	cycles_t last_interrupt;
1063 
1064 	unsigned int serial;
1065 
1066 	struct hdspm_peak_rms peak_rms;
1067 };
1068 
1069 
1070 static const struct pci_device_id snd_hdspm_ids[] = {
1071 	{
1072 	 .vendor = PCI_VENDOR_ID_XILINX,
1073 	 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
1074 	 .subvendor = PCI_ANY_ID,
1075 	 .subdevice = PCI_ANY_ID,
1076 	 .class = 0,
1077 	 .class_mask = 0,
1078 	 .driver_data = 0},
1079 	{0,}
1080 };
1081 
1082 MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);
1083 
1084 /* prototypes */
1085 static int snd_hdspm_create_alsa_devices(struct snd_card *card,
1086 					 struct hdspm *hdspm);
1087 static int snd_hdspm_create_pcm(struct snd_card *card,
1088 				struct hdspm *hdspm);
1089 
1090 static inline void snd_hdspm_initialize_midi_flush(struct hdspm *hdspm);
1091 static inline int hdspm_get_pll_freq(struct hdspm *hdspm);
1092 static int hdspm_update_simple_mixer_controls(struct hdspm *hdspm);
1093 static int hdspm_autosync_ref(struct hdspm *hdspm);
1094 static int hdspm_set_toggle_setting(struct hdspm *hdspm, u32 regmask, int out);
1095 static int snd_hdspm_set_defaults(struct hdspm *hdspm);
1096 static int hdspm_system_clock_mode(struct hdspm *hdspm);
1097 static void hdspm_set_channel_dma_addr(struct hdspm *hdspm,
1098 				       struct snd_pcm_substream *substream,
1099 				       unsigned int reg, int channels);
1100 
1101 static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx);
1102 static int hdspm_wc_sync_check(struct hdspm *hdspm);
1103 static int hdspm_tco_sync_check(struct hdspm *hdspm);
1104 static int hdspm_sync_in_sync_check(struct hdspm *hdspm);
1105 
1106 static int hdspm_get_aes_sample_rate(struct hdspm *hdspm, int index);
1107 static int hdspm_get_tco_sample_rate(struct hdspm *hdspm);
1108 static int hdspm_get_wc_sample_rate(struct hdspm *hdspm);
1109 
1110 
1111 
1112 static inline int HDSPM_bit2freq(int n)
1113 {
1114 	static const int bit2freq_tab[] = {
1115 		0, 32000, 44100, 48000, 64000, 88200,
1116 		96000, 128000, 176400, 192000 };
1117 	if (n < 1 || n > 9)
1118 		return 0;
1119 	return bit2freq_tab[n];
1120 }
1121 
1122 static bool hdspm_is_raydat_or_aio(struct hdspm *hdspm)
1123 {
1124 	return ((AIO == hdspm->io_type) || (RayDAT == hdspm->io_type));
1125 }
1126 
1127 
1128 /* Write/read to/from HDSPM with Adresses in Bytes
1129    not words but only 32Bit writes are allowed */
1130 
1131 static inline void hdspm_write(struct hdspm * hdspm, unsigned int reg,
1132 			       unsigned int val)
1133 {
1134 	writel(val, hdspm->iobase + reg);
1135 }
1136 
1137 static inline unsigned int hdspm_read(struct hdspm * hdspm, unsigned int reg)
1138 {
1139 	return readl(hdspm->iobase + reg);
1140 }
1141 
1142 /* for each output channel (chan) I have an Input (in) and Playback (pb) Fader
1143    mixer is write only on hardware so we have to cache him for read
1144    each fader is a u32, but uses only the first 16 bit */
1145 
1146 static inline int hdspm_read_in_gain(struct hdspm * hdspm, unsigned int chan,
1147 				     unsigned int in)
1148 {
1149 	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
1150 		return 0;
1151 
1152 	return hdspm->mixer->ch[chan].in[in];
1153 }
1154 
1155 static inline int hdspm_read_pb_gain(struct hdspm * hdspm, unsigned int chan,
1156 				     unsigned int pb)
1157 {
1158 	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
1159 		return 0;
1160 	return hdspm->mixer->ch[chan].pb[pb];
1161 }
1162 
1163 static int hdspm_write_in_gain(struct hdspm *hdspm, unsigned int chan,
1164 				      unsigned int in, unsigned short data)
1165 {
1166 	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
1167 		return -1;
1168 
1169 	hdspm_write(hdspm,
1170 		    HDSPM_MADI_mixerBase +
1171 		    ((in + 128 * chan) * sizeof(u32)),
1172 		    (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
1173 	return 0;
1174 }
1175 
1176 static int hdspm_write_pb_gain(struct hdspm *hdspm, unsigned int chan,
1177 				      unsigned int pb, unsigned short data)
1178 {
1179 	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
1180 		return -1;
1181 
1182 	hdspm_write(hdspm,
1183 		    HDSPM_MADI_mixerBase +
1184 		    ((64 + pb + 128 * chan) * sizeof(u32)),
1185 		    (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
1186 	return 0;
1187 }
1188 
1189 
1190 /* enable DMA for specific channels, now available for DSP-MADI */
1191 static inline void snd_hdspm_enable_in(struct hdspm * hdspm, int i, int v)
1192 {
1193 	hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
1194 }
1195 
1196 static inline void snd_hdspm_enable_out(struct hdspm * hdspm, int i, int v)
1197 {
1198 	hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
1199 }
1200 
1201 /* check if same process is writing and reading */
1202 static int snd_hdspm_use_is_exclusive(struct hdspm *hdspm)
1203 {
1204 	unsigned long flags;
1205 	int ret = 1;
1206 
1207 	spin_lock_irqsave(&hdspm->lock, flags);
1208 	if ((hdspm->playback_pid != hdspm->capture_pid) &&
1209 	    (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
1210 		ret = 0;
1211 	}
1212 	spin_unlock_irqrestore(&hdspm->lock, flags);
1213 	return ret;
1214 }
1215 
1216 /* round arbitary sample rates to commonly known rates */
1217 static int hdspm_round_frequency(int rate)
1218 {
1219 	if (rate < 38050)
1220 		return 32000;
1221 	if (rate < 46008)
1222 		return 44100;
1223 	else
1224 		return 48000;
1225 }
1226 
1227 /* QS and DS rates normally can not be detected
1228  * automatically by the card. Only exception is MADI
1229  * in 96k frame mode.
1230  *
1231  * So if we read SS values (32 .. 48k), check for
1232  * user-provided DS/QS bits in the control register
1233  * and multiply the base frequency accordingly.
1234  */
1235 static int hdspm_rate_multiplier(struct hdspm *hdspm, int rate)
1236 {
1237 	if (rate <= 48000) {
1238 		if (hdspm->control_register & HDSPM_QuadSpeed)
1239 			return rate * 4;
1240 		else if (hdspm->control_register &
1241 				HDSPM_DoubleSpeed)
1242 			return rate * 2;
1243 	}
1244 	return rate;
1245 }
1246 
1247 /* check for external sample rate, returns the sample rate in Hz*/
1248 static int hdspm_external_sample_rate(struct hdspm *hdspm)
1249 {
1250 	unsigned int status, status2;
1251 	int syncref, rate = 0, rate_bits;
1252 
1253 	switch (hdspm->io_type) {
1254 	case AES32:
1255 		status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
1256 		status = hdspm_read(hdspm, HDSPM_statusRegister);
1257 
1258 		syncref = hdspm_autosync_ref(hdspm);
1259 		switch (syncref) {
1260 		case HDSPM_AES32_AUTOSYNC_FROM_WORD:
1261 		/* Check WC sync and get sample rate */
1262 			if (hdspm_wc_sync_check(hdspm))
1263 				return HDSPM_bit2freq(hdspm_get_wc_sample_rate(hdspm));
1264 			break;
1265 
1266 		case HDSPM_AES32_AUTOSYNC_FROM_AES1:
1267 		case HDSPM_AES32_AUTOSYNC_FROM_AES2:
1268 		case HDSPM_AES32_AUTOSYNC_FROM_AES3:
1269 		case HDSPM_AES32_AUTOSYNC_FROM_AES4:
1270 		case HDSPM_AES32_AUTOSYNC_FROM_AES5:
1271 		case HDSPM_AES32_AUTOSYNC_FROM_AES6:
1272 		case HDSPM_AES32_AUTOSYNC_FROM_AES7:
1273 		case HDSPM_AES32_AUTOSYNC_FROM_AES8:
1274 		/* Check AES sync and get sample rate */
1275 			if (hdspm_aes_sync_check(hdspm, syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1))
1276 				return HDSPM_bit2freq(hdspm_get_aes_sample_rate(hdspm,
1277 							syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1));
1278 			break;
1279 
1280 
1281 		case HDSPM_AES32_AUTOSYNC_FROM_TCO:
1282 		/* Check TCO sync and get sample rate */
1283 			if (hdspm_tco_sync_check(hdspm))
1284 				return HDSPM_bit2freq(hdspm_get_tco_sample_rate(hdspm));
1285 			break;
1286 		default:
1287 			return 0;
1288 		} /* end switch(syncref) */
1289 		break;
1290 
1291 	case MADIface:
1292 		status = hdspm_read(hdspm, HDSPM_statusRegister);
1293 
1294 		if (!(status & HDSPM_madiLock)) {
1295 			rate = 0;  /* no lock */
1296 		} else {
1297 			switch (status & (HDSPM_status1_freqMask)) {
1298 			case HDSPM_status1_F_0*1:
1299 				rate = 32000; break;
1300 			case HDSPM_status1_F_0*2:
1301 				rate = 44100; break;
1302 			case HDSPM_status1_F_0*3:
1303 				rate = 48000; break;
1304 			case HDSPM_status1_F_0*4:
1305 				rate = 64000; break;
1306 			case HDSPM_status1_F_0*5:
1307 				rate = 88200; break;
1308 			case HDSPM_status1_F_0*6:
1309 				rate = 96000; break;
1310 			case HDSPM_status1_F_0*7:
1311 				rate = 128000; break;
1312 			case HDSPM_status1_F_0*8:
1313 				rate = 176400; break;
1314 			case HDSPM_status1_F_0*9:
1315 				rate = 192000; break;
1316 			default:
1317 				rate = 0; break;
1318 			}
1319 		}
1320 
1321 		break;
1322 
1323 	case MADI:
1324 	case AIO:
1325 	case RayDAT:
1326 		status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
1327 		status = hdspm_read(hdspm, HDSPM_statusRegister);
1328 		rate = 0;
1329 
1330 		/* if wordclock has synced freq and wordclock is valid */
1331 		if ((status2 & HDSPM_wcLock) != 0 &&
1332 				(status2 & HDSPM_SelSyncRef0) == 0) {
1333 
1334 			rate_bits = status2 & HDSPM_wcFreqMask;
1335 
1336 
1337 			switch (rate_bits) {
1338 			case HDSPM_wcFreq32:
1339 				rate = 32000;
1340 				break;
1341 			case HDSPM_wcFreq44_1:
1342 				rate = 44100;
1343 				break;
1344 			case HDSPM_wcFreq48:
1345 				rate = 48000;
1346 				break;
1347 			case HDSPM_wcFreq64:
1348 				rate = 64000;
1349 				break;
1350 			case HDSPM_wcFreq88_2:
1351 				rate = 88200;
1352 				break;
1353 			case HDSPM_wcFreq96:
1354 				rate = 96000;
1355 				break;
1356 			case HDSPM_wcFreq128:
1357 				rate = 128000;
1358 				break;
1359 			case HDSPM_wcFreq176_4:
1360 				rate = 176400;
1361 				break;
1362 			case HDSPM_wcFreq192:
1363 				rate = 192000;
1364 				break;
1365 			default:
1366 				rate = 0;
1367 				break;
1368 			}
1369 		}
1370 
1371 		/* if rate detected and Syncref is Word than have it,
1372 		 * word has priority to MADI
1373 		 */
1374 		if (rate != 0 &&
1375 		(status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
1376 			return hdspm_rate_multiplier(hdspm, rate);
1377 
1378 		/* maybe a madi input (which is taken if sel sync is madi) */
1379 		if (status & HDSPM_madiLock) {
1380 			rate_bits = status & HDSPM_madiFreqMask;
1381 
1382 			switch (rate_bits) {
1383 			case HDSPM_madiFreq32:
1384 				rate = 32000;
1385 				break;
1386 			case HDSPM_madiFreq44_1:
1387 				rate = 44100;
1388 				break;
1389 			case HDSPM_madiFreq48:
1390 				rate = 48000;
1391 				break;
1392 			case HDSPM_madiFreq64:
1393 				rate = 64000;
1394 				break;
1395 			case HDSPM_madiFreq88_2:
1396 				rate = 88200;
1397 				break;
1398 			case HDSPM_madiFreq96:
1399 				rate = 96000;
1400 				break;
1401 			case HDSPM_madiFreq128:
1402 				rate = 128000;
1403 				break;
1404 			case HDSPM_madiFreq176_4:
1405 				rate = 176400;
1406 				break;
1407 			case HDSPM_madiFreq192:
1408 				rate = 192000;
1409 				break;
1410 			default:
1411 				rate = 0;
1412 				break;
1413 			}
1414 
1415 		} /* endif HDSPM_madiLock */
1416 
1417 		/* check sample rate from TCO or SYNC_IN */
1418 		{
1419 			bool is_valid_input = 0;
1420 			bool has_sync = 0;
1421 
1422 			syncref = hdspm_autosync_ref(hdspm);
1423 			if (HDSPM_AUTOSYNC_FROM_TCO == syncref) {
1424 				is_valid_input = 1;
1425 				has_sync = (HDSPM_SYNC_CHECK_SYNC ==
1426 					hdspm_tco_sync_check(hdspm));
1427 			} else if (HDSPM_AUTOSYNC_FROM_SYNC_IN == syncref) {
1428 				is_valid_input = 1;
1429 				has_sync = (HDSPM_SYNC_CHECK_SYNC ==
1430 					hdspm_sync_in_sync_check(hdspm));
1431 			}
1432 
1433 			if (is_valid_input && has_sync) {
1434 				rate = hdspm_round_frequency(
1435 					hdspm_get_pll_freq(hdspm));
1436 			}
1437 		}
1438 
1439 		rate = hdspm_rate_multiplier(hdspm, rate);
1440 
1441 		break;
1442 	}
1443 
1444 	return rate;
1445 }
1446 
1447 /* return latency in samples per period */
1448 static int hdspm_get_latency(struct hdspm *hdspm)
1449 {
1450 	int n;
1451 
1452 	n = hdspm_decode_latency(hdspm->control_register);
1453 
1454 	/* Special case for new RME cards with 32 samples period size.
1455 	 * The three latency bits in the control register
1456 	 * (HDSP_LatencyMask) encode latency values of 64 samples as
1457 	 * 0, 128 samples as 1 ... 4096 samples as 6. For old cards, 7
1458 	 * denotes 8192 samples, but on new cards like RayDAT or AIO,
1459 	 * it corresponds to 32 samples.
1460 	 */
1461 	if ((7 == n) && (RayDAT == hdspm->io_type || AIO == hdspm->io_type))
1462 		n = -1;
1463 
1464 	return 1 << (n + 6);
1465 }
1466 
1467 /* Latency function */
1468 static inline void hdspm_compute_period_size(struct hdspm *hdspm)
1469 {
1470 	hdspm->period_bytes = 4 * hdspm_get_latency(hdspm);
1471 }
1472 
1473 
1474 static snd_pcm_uframes_t hdspm_hw_pointer(struct hdspm *hdspm)
1475 {
1476 	int position;
1477 
1478 	position = hdspm_read(hdspm, HDSPM_statusRegister);
1479 
1480 	switch (hdspm->io_type) {
1481 	case RayDAT:
1482 	case AIO:
1483 		position &= HDSPM_BufferPositionMask;
1484 		position /= 4; /* Bytes per sample */
1485 		break;
1486 	default:
1487 		position = (position & HDSPM_BufferID) ?
1488 			(hdspm->period_bytes / 4) : 0;
1489 	}
1490 
1491 	return position;
1492 }
1493 
1494 
1495 static inline void hdspm_start_audio(struct hdspm * s)
1496 {
1497 	s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
1498 	hdspm_write(s, HDSPM_controlRegister, s->control_register);
1499 }
1500 
1501 static inline void hdspm_stop_audio(struct hdspm * s)
1502 {
1503 	s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
1504 	hdspm_write(s, HDSPM_controlRegister, s->control_register);
1505 }
1506 
1507 /* should I silence all or only opened ones ? doit all for first even is 4MB*/
1508 static void hdspm_silence_playback(struct hdspm *hdspm)
1509 {
1510 	int i;
1511 	int n = hdspm->period_bytes;
1512 	void *buf = hdspm->playback_buffer;
1513 
1514 	if (!buf)
1515 		return;
1516 
1517 	for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
1518 		memset(buf, 0, n);
1519 		buf += HDSPM_CHANNEL_BUFFER_BYTES;
1520 	}
1521 }
1522 
1523 static int hdspm_set_interrupt_interval(struct hdspm *s, unsigned int frames)
1524 {
1525 	int n;
1526 
1527 	spin_lock_irq(&s->lock);
1528 
1529 	if (32 == frames) {
1530 		/* Special case for new RME cards like RayDAT/AIO which
1531 		 * support period sizes of 32 samples. Since latency is
1532 		 * encoded in the three bits of HDSP_LatencyMask, we can only
1533 		 * have values from 0 .. 7. While 0 still means 64 samples and
1534 		 * 6 represents 4096 samples on all cards, 7 represents 8192
1535 		 * on older cards and 32 samples on new cards.
1536 		 *
1537 		 * In other words, period size in samples is calculated by
1538 		 * 2^(n+6) with n ranging from 0 .. 7.
1539 		 */
1540 		n = 7;
1541 	} else {
1542 		frames >>= 7;
1543 		n = 0;
1544 		while (frames) {
1545 			n++;
1546 			frames >>= 1;
1547 		}
1548 	}
1549 
1550 	s->control_register &= ~HDSPM_LatencyMask;
1551 	s->control_register |= hdspm_encode_latency(n);
1552 
1553 	hdspm_write(s, HDSPM_controlRegister, s->control_register);
1554 
1555 	hdspm_compute_period_size(s);
1556 
1557 	spin_unlock_irq(&s->lock);
1558 
1559 	return 0;
1560 }
1561 
1562 static u64 hdspm_calc_dds_value(struct hdspm *hdspm, u64 period)
1563 {
1564 	u64 freq_const;
1565 
1566 	if (period == 0)
1567 		return 0;
1568 
1569 	switch (hdspm->io_type) {
1570 	case MADI:
1571 	case AES32:
1572 		freq_const = 110069313433624ULL;
1573 		break;
1574 	case RayDAT:
1575 	case AIO:
1576 		freq_const = 104857600000000ULL;
1577 		break;
1578 	case MADIface:
1579 		freq_const = 131072000000000ULL;
1580 		break;
1581 	default:
1582 		snd_BUG();
1583 		return 0;
1584 	}
1585 
1586 	return div_u64(freq_const, period);
1587 }
1588 
1589 
1590 static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
1591 {
1592 	u64 n;
1593 
1594 	if (snd_BUG_ON(rate <= 0))
1595 		return;
1596 
1597 	if (rate >= 112000)
1598 		rate /= 4;
1599 	else if (rate >= 56000)
1600 		rate /= 2;
1601 
1602 	switch (hdspm->io_type) {
1603 	case MADIface:
1604 		n = 131072000000000ULL;  /* 125 MHz */
1605 		break;
1606 	case MADI:
1607 	case AES32:
1608 		n = 110069313433624ULL;  /* 105 MHz */
1609 		break;
1610 	case RayDAT:
1611 	case AIO:
1612 		n = 104857600000000ULL;  /* 100 MHz */
1613 		break;
1614 	default:
1615 		snd_BUG();
1616 		return;
1617 	}
1618 
1619 	n = div_u64(n, rate);
1620 	/* n should be less than 2^32 for being written to FREQ register */
1621 	snd_BUG_ON(n >> 32);
1622 	hdspm_write(hdspm, HDSPM_freqReg, (u32)n);
1623 }
1624 
1625 /* dummy set rate lets see what happens */
1626 static int hdspm_set_rate(struct hdspm * hdspm, int rate, int called_internally)
1627 {
1628 	int current_rate;
1629 	int rate_bits;
1630 	int not_set = 0;
1631 	int current_speed, target_speed;
1632 
1633 	/* ASSUMPTION: hdspm->lock is either set, or there is no need for
1634 	   it (e.g. during module initialization).
1635 	 */
1636 
1637 	if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
1638 
1639 		/* SLAVE --- */
1640 		if (called_internally) {
1641 
1642 			/* request from ctl or card initialization
1643 			   just make a warning an remember setting
1644 			   for future master mode switching */
1645 
1646 			dev_warn(hdspm->card->dev,
1647 				 "Warning: device is not running as a clock master.\n");
1648 			not_set = 1;
1649 		} else {
1650 
1651 			/* hw_param request while in AutoSync mode */
1652 			int external_freq =
1653 			    hdspm_external_sample_rate(hdspm);
1654 
1655 			if (hdspm_autosync_ref(hdspm) ==
1656 			    HDSPM_AUTOSYNC_FROM_NONE) {
1657 
1658 				dev_warn(hdspm->card->dev,
1659 					 "Detected no External Sync\n");
1660 				not_set = 1;
1661 
1662 			} else if (rate != external_freq) {
1663 
1664 				dev_warn(hdspm->card->dev,
1665 					 "Warning: No AutoSync source for requested rate\n");
1666 				not_set = 1;
1667 			}
1668 		}
1669 	}
1670 
1671 	current_rate = hdspm->system_sample_rate;
1672 
1673 	/* Changing between Singe, Double and Quad speed is not
1674 	   allowed if any substreams are open. This is because such a change
1675 	   causes a shift in the location of the DMA buffers and a reduction
1676 	   in the number of available buffers.
1677 
1678 	   Note that a similar but essentially insoluble problem exists for
1679 	   externally-driven rate changes. All we can do is to flag rate
1680 	   changes in the read/write routines.
1681 	 */
1682 
1683 	if (current_rate <= 48000)
1684 		current_speed = HDSPM_SPEED_SINGLE;
1685 	else if (current_rate <= 96000)
1686 		current_speed = HDSPM_SPEED_DOUBLE;
1687 	else
1688 		current_speed = HDSPM_SPEED_QUAD;
1689 
1690 	if (rate <= 48000)
1691 		target_speed = HDSPM_SPEED_SINGLE;
1692 	else if (rate <= 96000)
1693 		target_speed = HDSPM_SPEED_DOUBLE;
1694 	else
1695 		target_speed = HDSPM_SPEED_QUAD;
1696 
1697 	switch (rate) {
1698 	case 32000:
1699 		rate_bits = HDSPM_Frequency32KHz;
1700 		break;
1701 	case 44100:
1702 		rate_bits = HDSPM_Frequency44_1KHz;
1703 		break;
1704 	case 48000:
1705 		rate_bits = HDSPM_Frequency48KHz;
1706 		break;
1707 	case 64000:
1708 		rate_bits = HDSPM_Frequency64KHz;
1709 		break;
1710 	case 88200:
1711 		rate_bits = HDSPM_Frequency88_2KHz;
1712 		break;
1713 	case 96000:
1714 		rate_bits = HDSPM_Frequency96KHz;
1715 		break;
1716 	case 128000:
1717 		rate_bits = HDSPM_Frequency128KHz;
1718 		break;
1719 	case 176400:
1720 		rate_bits = HDSPM_Frequency176_4KHz;
1721 		break;
1722 	case 192000:
1723 		rate_bits = HDSPM_Frequency192KHz;
1724 		break;
1725 	default:
1726 		return -EINVAL;
1727 	}
1728 
1729 	if (current_speed != target_speed
1730 	    && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
1731 		dev_err(hdspm->card->dev,
1732 			"cannot change from %s speed to %s speed mode (capture PID = %d, playback PID = %d)\n",
1733 			hdspm_speed_names[current_speed],
1734 			hdspm_speed_names[target_speed],
1735 			hdspm->capture_pid, hdspm->playback_pid);
1736 		return -EBUSY;
1737 	}
1738 
1739 	hdspm->control_register &= ~HDSPM_FrequencyMask;
1740 	hdspm->control_register |= rate_bits;
1741 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1742 
1743 	/* For AES32, need to set DDS value in FREQ register
1744 	   For MADI, also apparently */
1745 	hdspm_set_dds_value(hdspm, rate);
1746 
1747 	if (AES32 == hdspm->io_type && rate != current_rate)
1748 		hdspm_write(hdspm, HDSPM_eeprom_wr, 0);
1749 
1750 	hdspm->system_sample_rate = rate;
1751 
1752 	if (rate <= 48000) {
1753 		hdspm->channel_map_in = hdspm->channel_map_in_ss;
1754 		hdspm->channel_map_out = hdspm->channel_map_out_ss;
1755 		hdspm->max_channels_in = hdspm->ss_in_channels;
1756 		hdspm->max_channels_out = hdspm->ss_out_channels;
1757 		hdspm->port_names_in = hdspm->port_names_in_ss;
1758 		hdspm->port_names_out = hdspm->port_names_out_ss;
1759 	} else if (rate <= 96000) {
1760 		hdspm->channel_map_in = hdspm->channel_map_in_ds;
1761 		hdspm->channel_map_out = hdspm->channel_map_out_ds;
1762 		hdspm->max_channels_in = hdspm->ds_in_channels;
1763 		hdspm->max_channels_out = hdspm->ds_out_channels;
1764 		hdspm->port_names_in = hdspm->port_names_in_ds;
1765 		hdspm->port_names_out = hdspm->port_names_out_ds;
1766 	} else {
1767 		hdspm->channel_map_in = hdspm->channel_map_in_qs;
1768 		hdspm->channel_map_out = hdspm->channel_map_out_qs;
1769 		hdspm->max_channels_in = hdspm->qs_in_channels;
1770 		hdspm->max_channels_out = hdspm->qs_out_channels;
1771 		hdspm->port_names_in = hdspm->port_names_in_qs;
1772 		hdspm->port_names_out = hdspm->port_names_out_qs;
1773 	}
1774 
1775 	if (not_set != 0)
1776 		return -1;
1777 
1778 	return 0;
1779 }
1780 
1781 /* mainly for init to 0 on load */
1782 static void all_in_all_mixer(struct hdspm * hdspm, int sgain)
1783 {
1784 	int i, j;
1785 	unsigned int gain;
1786 
1787 	if (sgain > UNITY_GAIN)
1788 		gain = UNITY_GAIN;
1789 	else if (sgain < 0)
1790 		gain = 0;
1791 	else
1792 		gain = sgain;
1793 
1794 	for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
1795 		for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
1796 			hdspm_write_in_gain(hdspm, i, j, gain);
1797 			hdspm_write_pb_gain(hdspm, i, j, gain);
1798 		}
1799 }
1800 
1801 /*----------------------------------------------------------------------------
1802    MIDI
1803   ----------------------------------------------------------------------------*/
1804 
1805 static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm,
1806 						      int id)
1807 {
1808 	/* the hardware already does the relevant bit-mask with 0xff */
1809 	return hdspm_read(hdspm, hdspm->midi[id].dataIn);
1810 }
1811 
1812 static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id,
1813 					      int val)
1814 {
1815 	/* the hardware already does the relevant bit-mask with 0xff */
1816 	return hdspm_write(hdspm, hdspm->midi[id].dataOut, val);
1817 }
1818 
1819 static inline int snd_hdspm_midi_input_available (struct hdspm *hdspm, int id)
1820 {
1821 	return hdspm_read(hdspm, hdspm->midi[id].statusIn) & 0xFF;
1822 }
1823 
1824 static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id)
1825 {
1826 	int fifo_bytes_used;
1827 
1828 	fifo_bytes_used = hdspm_read(hdspm, hdspm->midi[id].statusOut) & 0xFF;
1829 
1830 	if (fifo_bytes_used < 128)
1831 		return  128 - fifo_bytes_used;
1832 	else
1833 		return 0;
1834 }
1835 
1836 static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id)
1837 {
1838 	while (snd_hdspm_midi_input_available (hdspm, id))
1839 		snd_hdspm_midi_read_byte (hdspm, id);
1840 }
1841 
1842 static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)
1843 {
1844 	unsigned long flags;
1845 	int n_pending;
1846 	int to_write;
1847 	int i;
1848 	unsigned char buf[128];
1849 
1850 	/* Output is not interrupt driven */
1851 
1852 	spin_lock_irqsave (&hmidi->lock, flags);
1853 	if (hmidi->output &&
1854 	    !snd_rawmidi_transmit_empty (hmidi->output)) {
1855 		n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,
1856 							    hmidi->id);
1857 		if (n_pending > 0) {
1858 			if (n_pending > (int)sizeof (buf))
1859 				n_pending = sizeof (buf);
1860 
1861 			to_write = snd_rawmidi_transmit (hmidi->output, buf,
1862 							 n_pending);
1863 			if (to_write > 0) {
1864 				for (i = 0; i < to_write; ++i)
1865 					snd_hdspm_midi_write_byte (hmidi->hdspm,
1866 								   hmidi->id,
1867 								   buf[i]);
1868 			}
1869 		}
1870 	}
1871 	spin_unlock_irqrestore (&hmidi->lock, flags);
1872 	return 0;
1873 }
1874 
1875 static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)
1876 {
1877 	unsigned char buf[128]; /* this buffer is designed to match the MIDI
1878 				 * input FIFO size
1879 				 */
1880 	unsigned long flags;
1881 	int n_pending;
1882 	int i;
1883 
1884 	spin_lock_irqsave (&hmidi->lock, flags);
1885 	n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);
1886 	if (n_pending > 0) {
1887 		if (hmidi->input) {
1888 			if (n_pending > (int)sizeof (buf))
1889 				n_pending = sizeof (buf);
1890 			for (i = 0; i < n_pending; ++i)
1891 				buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,
1892 								   hmidi->id);
1893 			if (n_pending)
1894 				snd_rawmidi_receive (hmidi->input, buf,
1895 						     n_pending);
1896 		} else {
1897 			/* flush the MIDI input FIFO */
1898 			while (n_pending--)
1899 				snd_hdspm_midi_read_byte (hmidi->hdspm,
1900 							  hmidi->id);
1901 		}
1902 	}
1903 	hmidi->pending = 0;
1904 	spin_unlock_irqrestore(&hmidi->lock, flags);
1905 
1906 	spin_lock_irqsave(&hmidi->hdspm->lock, flags);
1907 	hmidi->hdspm->control_register |= hmidi->ie;
1908 	hdspm_write(hmidi->hdspm, HDSPM_controlRegister,
1909 		    hmidi->hdspm->control_register);
1910 	spin_unlock_irqrestore(&hmidi->hdspm->lock, flags);
1911 
1912 	return snd_hdspm_midi_output_write (hmidi);
1913 }
1914 
1915 static void
1916 snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1917 {
1918 	struct hdspm *hdspm;
1919 	struct hdspm_midi *hmidi;
1920 	unsigned long flags;
1921 
1922 	hmidi = substream->rmidi->private_data;
1923 	hdspm = hmidi->hdspm;
1924 
1925 	spin_lock_irqsave (&hdspm->lock, flags);
1926 	if (up) {
1927 		if (!(hdspm->control_register & hmidi->ie)) {
1928 			snd_hdspm_flush_midi_input (hdspm, hmidi->id);
1929 			hdspm->control_register |= hmidi->ie;
1930 		}
1931 	} else {
1932 		hdspm->control_register &= ~hmidi->ie;
1933 	}
1934 
1935 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1936 	spin_unlock_irqrestore (&hdspm->lock, flags);
1937 }
1938 
1939 static void snd_hdspm_midi_output_timer(struct timer_list *t)
1940 {
1941 	struct hdspm_midi *hmidi = from_timer(hmidi, t, timer);
1942 	unsigned long flags;
1943 
1944 	snd_hdspm_midi_output_write(hmidi);
1945 	spin_lock_irqsave (&hmidi->lock, flags);
1946 
1947 	/* this does not bump hmidi->istimer, because the
1948 	   kernel automatically removed the timer when it
1949 	   expired, and we are now adding it back, thus
1950 	   leaving istimer wherever it was set before.
1951 	*/
1952 
1953 	if (hmidi->istimer)
1954 		mod_timer(&hmidi->timer, 1 + jiffies);
1955 
1956 	spin_unlock_irqrestore (&hmidi->lock, flags);
1957 }
1958 
1959 static void
1960 snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1961 {
1962 	struct hdspm_midi *hmidi;
1963 	unsigned long flags;
1964 
1965 	hmidi = substream->rmidi->private_data;
1966 	spin_lock_irqsave (&hmidi->lock, flags);
1967 	if (up) {
1968 		if (!hmidi->istimer) {
1969 			timer_setup(&hmidi->timer,
1970 				    snd_hdspm_midi_output_timer, 0);
1971 			mod_timer(&hmidi->timer, 1 + jiffies);
1972 			hmidi->istimer++;
1973 		}
1974 	} else {
1975 		if (hmidi->istimer && --hmidi->istimer <= 0)
1976 			del_timer (&hmidi->timer);
1977 	}
1978 	spin_unlock_irqrestore (&hmidi->lock, flags);
1979 	if (up)
1980 		snd_hdspm_midi_output_write(hmidi);
1981 }
1982 
1983 static int snd_hdspm_midi_input_open(struct snd_rawmidi_substream *substream)
1984 {
1985 	struct hdspm_midi *hmidi;
1986 
1987 	hmidi = substream->rmidi->private_data;
1988 	spin_lock_irq (&hmidi->lock);
1989 	snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
1990 	hmidi->input = substream;
1991 	spin_unlock_irq (&hmidi->lock);
1992 
1993 	return 0;
1994 }
1995 
1996 static int snd_hdspm_midi_output_open(struct snd_rawmidi_substream *substream)
1997 {
1998 	struct hdspm_midi *hmidi;
1999 
2000 	hmidi = substream->rmidi->private_data;
2001 	spin_lock_irq (&hmidi->lock);
2002 	hmidi->output = substream;
2003 	spin_unlock_irq (&hmidi->lock);
2004 
2005 	return 0;
2006 }
2007 
2008 static int snd_hdspm_midi_input_close(struct snd_rawmidi_substream *substream)
2009 {
2010 	struct hdspm_midi *hmidi;
2011 
2012 	snd_hdspm_midi_input_trigger (substream, 0);
2013 
2014 	hmidi = substream->rmidi->private_data;
2015 	spin_lock_irq (&hmidi->lock);
2016 	hmidi->input = NULL;
2017 	spin_unlock_irq (&hmidi->lock);
2018 
2019 	return 0;
2020 }
2021 
2022 static int snd_hdspm_midi_output_close(struct snd_rawmidi_substream *substream)
2023 {
2024 	struct hdspm_midi *hmidi;
2025 
2026 	snd_hdspm_midi_output_trigger (substream, 0);
2027 
2028 	hmidi = substream->rmidi->private_data;
2029 	spin_lock_irq (&hmidi->lock);
2030 	hmidi->output = NULL;
2031 	spin_unlock_irq (&hmidi->lock);
2032 
2033 	return 0;
2034 }
2035 
2036 static const struct snd_rawmidi_ops snd_hdspm_midi_output =
2037 {
2038 	.open =		snd_hdspm_midi_output_open,
2039 	.close =	snd_hdspm_midi_output_close,
2040 	.trigger =	snd_hdspm_midi_output_trigger,
2041 };
2042 
2043 static const struct snd_rawmidi_ops snd_hdspm_midi_input =
2044 {
2045 	.open =		snd_hdspm_midi_input_open,
2046 	.close =	snd_hdspm_midi_input_close,
2047 	.trigger =	snd_hdspm_midi_input_trigger,
2048 };
2049 
2050 static int snd_hdspm_create_midi(struct snd_card *card,
2051 				 struct hdspm *hdspm, int id)
2052 {
2053 	int err;
2054 	char buf[64];
2055 
2056 	hdspm->midi[id].id = id;
2057 	hdspm->midi[id].hdspm = hdspm;
2058 	spin_lock_init (&hdspm->midi[id].lock);
2059 
2060 	if (0 == id) {
2061 		if (MADIface == hdspm->io_type) {
2062 			/* MIDI-over-MADI on HDSPe MADIface */
2063 			hdspm->midi[0].dataIn = HDSPM_midiDataIn2;
2064 			hdspm->midi[0].statusIn = HDSPM_midiStatusIn2;
2065 			hdspm->midi[0].dataOut = HDSPM_midiDataOut2;
2066 			hdspm->midi[0].statusOut = HDSPM_midiStatusOut2;
2067 			hdspm->midi[0].ie = HDSPM_Midi2InterruptEnable;
2068 			hdspm->midi[0].irq = HDSPM_midi2IRQPending;
2069 		} else {
2070 			hdspm->midi[0].dataIn = HDSPM_midiDataIn0;
2071 			hdspm->midi[0].statusIn = HDSPM_midiStatusIn0;
2072 			hdspm->midi[0].dataOut = HDSPM_midiDataOut0;
2073 			hdspm->midi[0].statusOut = HDSPM_midiStatusOut0;
2074 			hdspm->midi[0].ie = HDSPM_Midi0InterruptEnable;
2075 			hdspm->midi[0].irq = HDSPM_midi0IRQPending;
2076 		}
2077 	} else if (1 == id) {
2078 		hdspm->midi[1].dataIn = HDSPM_midiDataIn1;
2079 		hdspm->midi[1].statusIn = HDSPM_midiStatusIn1;
2080 		hdspm->midi[1].dataOut = HDSPM_midiDataOut1;
2081 		hdspm->midi[1].statusOut = HDSPM_midiStatusOut1;
2082 		hdspm->midi[1].ie = HDSPM_Midi1InterruptEnable;
2083 		hdspm->midi[1].irq = HDSPM_midi1IRQPending;
2084 	} else if ((2 == id) && (MADI == hdspm->io_type)) {
2085 		/* MIDI-over-MADI on HDSPe MADI */
2086 		hdspm->midi[2].dataIn = HDSPM_midiDataIn2;
2087 		hdspm->midi[2].statusIn = HDSPM_midiStatusIn2;
2088 		hdspm->midi[2].dataOut = HDSPM_midiDataOut2;
2089 		hdspm->midi[2].statusOut = HDSPM_midiStatusOut2;
2090 		hdspm->midi[2].ie = HDSPM_Midi2InterruptEnable;
2091 		hdspm->midi[2].irq = HDSPM_midi2IRQPending;
2092 	} else if (2 == id) {
2093 		/* TCO MTC, read only */
2094 		hdspm->midi[2].dataIn = HDSPM_midiDataIn2;
2095 		hdspm->midi[2].statusIn = HDSPM_midiStatusIn2;
2096 		hdspm->midi[2].dataOut = -1;
2097 		hdspm->midi[2].statusOut = -1;
2098 		hdspm->midi[2].ie = HDSPM_Midi2InterruptEnable;
2099 		hdspm->midi[2].irq = HDSPM_midi2IRQPendingAES;
2100 	} else if (3 == id) {
2101 		/* TCO MTC on HDSPe MADI */
2102 		hdspm->midi[3].dataIn = HDSPM_midiDataIn3;
2103 		hdspm->midi[3].statusIn = HDSPM_midiStatusIn3;
2104 		hdspm->midi[3].dataOut = -1;
2105 		hdspm->midi[3].statusOut = -1;
2106 		hdspm->midi[3].ie = HDSPM_Midi3InterruptEnable;
2107 		hdspm->midi[3].irq = HDSPM_midi3IRQPending;
2108 	}
2109 
2110 	if ((id < 2) || ((2 == id) && ((MADI == hdspm->io_type) ||
2111 					(MADIface == hdspm->io_type)))) {
2112 		if ((id == 0) && (MADIface == hdspm->io_type)) {
2113 			snprintf(buf, sizeof(buf), "%s MIDIoverMADI",
2114 				 card->shortname);
2115 		} else if ((id == 2) && (MADI == hdspm->io_type)) {
2116 			snprintf(buf, sizeof(buf), "%s MIDIoverMADI",
2117 				 card->shortname);
2118 		} else {
2119 			snprintf(buf, sizeof(buf), "%s MIDI %d",
2120 				 card->shortname, id+1);
2121 		}
2122 		err = snd_rawmidi_new(card, buf, id, 1, 1,
2123 				&hdspm->midi[id].rmidi);
2124 		if (err < 0)
2125 			return err;
2126 
2127 		snprintf(hdspm->midi[id].rmidi->name,
2128 			 sizeof(hdspm->midi[id].rmidi->name),
2129 			 "%s MIDI %d", card->id, id+1);
2130 		hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
2131 
2132 		snd_rawmidi_set_ops(hdspm->midi[id].rmidi,
2133 				SNDRV_RAWMIDI_STREAM_OUTPUT,
2134 				&snd_hdspm_midi_output);
2135 		snd_rawmidi_set_ops(hdspm->midi[id].rmidi,
2136 				SNDRV_RAWMIDI_STREAM_INPUT,
2137 				&snd_hdspm_midi_input);
2138 
2139 		hdspm->midi[id].rmidi->info_flags |=
2140 			SNDRV_RAWMIDI_INFO_OUTPUT |
2141 			SNDRV_RAWMIDI_INFO_INPUT |
2142 			SNDRV_RAWMIDI_INFO_DUPLEX;
2143 	} else {
2144 		/* TCO MTC, read only */
2145 		snprintf(buf, sizeof(buf), "%s MTC %d",
2146 			 card->shortname, id+1);
2147 		err = snd_rawmidi_new(card, buf, id, 1, 1,
2148 				&hdspm->midi[id].rmidi);
2149 		if (err < 0)
2150 			return err;
2151 
2152 		snprintf(hdspm->midi[id].rmidi->name,
2153 			 sizeof(hdspm->midi[id].rmidi->name),
2154 			 "%s MTC %d", card->id, id+1);
2155 		hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
2156 
2157 		snd_rawmidi_set_ops(hdspm->midi[id].rmidi,
2158 				SNDRV_RAWMIDI_STREAM_INPUT,
2159 				&snd_hdspm_midi_input);
2160 
2161 		hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
2162 	}
2163 
2164 	return 0;
2165 }
2166 
2167 
2168 static void hdspm_midi_tasklet(unsigned long arg)
2169 {
2170 	struct hdspm *hdspm = (struct hdspm *)arg;
2171 	int i = 0;
2172 
2173 	while (i < hdspm->midiPorts) {
2174 		if (hdspm->midi[i].pending)
2175 			snd_hdspm_midi_input_read(&hdspm->midi[i]);
2176 
2177 		i++;
2178 	}
2179 }
2180 
2181 
2182 /*-----------------------------------------------------------------------------
2183   Status Interface
2184   ----------------------------------------------------------------------------*/
2185 
2186 /* get the system sample rate which is set */
2187 
2188 
2189 static inline int hdspm_get_pll_freq(struct hdspm *hdspm)
2190 {
2191 	unsigned int period, rate;
2192 
2193 	period = hdspm_read(hdspm, HDSPM_RD_PLL_FREQ);
2194 	rate = hdspm_calc_dds_value(hdspm, period);
2195 
2196 	return rate;
2197 }
2198 
2199 /*
2200  * Calculate the real sample rate from the
2201  * current DDS value.
2202  */
2203 static int hdspm_get_system_sample_rate(struct hdspm *hdspm)
2204 {
2205 	unsigned int rate;
2206 
2207 	rate = hdspm_get_pll_freq(hdspm);
2208 
2209 	if (rate > 207000) {
2210 		/* Unreasonable high sample rate as seen on PCI MADI cards. */
2211 		if (0 == hdspm_system_clock_mode(hdspm)) {
2212 			/* master mode, return internal sample rate */
2213 			rate = hdspm->system_sample_rate;
2214 		} else {
2215 			/* slave mode, return external sample rate */
2216 			rate = hdspm_external_sample_rate(hdspm);
2217 			if (!rate)
2218 				rate = hdspm->system_sample_rate;
2219 		}
2220 	}
2221 
2222 	return rate;
2223 }
2224 
2225 
2226 #define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
2227 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2228 	.name = xname, \
2229 	.index = xindex, \
2230 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
2231 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2232 	.info = snd_hdspm_info_system_sample_rate, \
2233 	.put = snd_hdspm_put_system_sample_rate, \
2234 	.get = snd_hdspm_get_system_sample_rate \
2235 }
2236 
2237 static int snd_hdspm_info_system_sample_rate(struct snd_kcontrol *kcontrol,
2238 					     struct snd_ctl_elem_info *uinfo)
2239 {
2240 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2241 	uinfo->count = 1;
2242 	uinfo->value.integer.min = 27000;
2243 	uinfo->value.integer.max = 207000;
2244 	uinfo->value.integer.step = 1;
2245 	return 0;
2246 }
2247 
2248 
2249 static int snd_hdspm_get_system_sample_rate(struct snd_kcontrol *kcontrol,
2250 					    struct snd_ctl_elem_value *
2251 					    ucontrol)
2252 {
2253 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2254 
2255 	ucontrol->value.integer.value[0] = hdspm_get_system_sample_rate(hdspm);
2256 	return 0;
2257 }
2258 
2259 static int snd_hdspm_put_system_sample_rate(struct snd_kcontrol *kcontrol,
2260 					    struct snd_ctl_elem_value *
2261 					    ucontrol)
2262 {
2263 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2264 	int rate = ucontrol->value.integer.value[0];
2265 
2266 	if (rate < 27000 || rate > 207000)
2267 		return -EINVAL;
2268 	hdspm_set_dds_value(hdspm, ucontrol->value.integer.value[0]);
2269 	return 0;
2270 }
2271 
2272 
2273 /*
2274  * Returns the WordClock sample rate class for the given card.
2275  */
2276 static int hdspm_get_wc_sample_rate(struct hdspm *hdspm)
2277 {
2278 	int status;
2279 
2280 	switch (hdspm->io_type) {
2281 	case RayDAT:
2282 	case AIO:
2283 		status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
2284 		return (status >> 16) & 0xF;
2285 		break;
2286 	case AES32:
2287 		status = hdspm_read(hdspm, HDSPM_statusRegister);
2288 		return (status >> HDSPM_AES32_wcFreq_bit) & 0xF;
2289 	default:
2290 		break;
2291 	}
2292 
2293 
2294 	return 0;
2295 }
2296 
2297 
2298 /*
2299  * Returns the TCO sample rate class for the given card.
2300  */
2301 static int hdspm_get_tco_sample_rate(struct hdspm *hdspm)
2302 {
2303 	int status;
2304 
2305 	if (hdspm->tco) {
2306 		switch (hdspm->io_type) {
2307 		case RayDAT:
2308 		case AIO:
2309 			status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
2310 			return (status >> 20) & 0xF;
2311 			break;
2312 		case AES32:
2313 			status = hdspm_read(hdspm, HDSPM_statusRegister);
2314 			return (status >> 1) & 0xF;
2315 		default:
2316 			break;
2317 		}
2318 	}
2319 
2320 	return 0;
2321 }
2322 
2323 
2324 /*
2325  * Returns the SYNC_IN sample rate class for the given card.
2326  */
2327 static int hdspm_get_sync_in_sample_rate(struct hdspm *hdspm)
2328 {
2329 	int status;
2330 
2331 	if (hdspm->tco) {
2332 		switch (hdspm->io_type) {
2333 		case RayDAT:
2334 		case AIO:
2335 			status = hdspm_read(hdspm, HDSPM_RD_STATUS_2);
2336 			return (status >> 12) & 0xF;
2337 			break;
2338 		default:
2339 			break;
2340 		}
2341 	}
2342 
2343 	return 0;
2344 }
2345 
2346 /*
2347  * Returns the AES sample rate class for the given card.
2348  */
2349 static int hdspm_get_aes_sample_rate(struct hdspm *hdspm, int index)
2350 {
2351 	int timecode;
2352 
2353 	switch (hdspm->io_type) {
2354 	case AES32:
2355 		timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
2356 		return (timecode >> (4*index)) & 0xF;
2357 		break;
2358 	default:
2359 		break;
2360 	}
2361 	return 0;
2362 }
2363 
2364 /*
2365  * Returns the sample rate class for input source <idx> for
2366  * 'new style' cards like the AIO and RayDAT.
2367  */
2368 static int hdspm_get_s1_sample_rate(struct hdspm *hdspm, unsigned int idx)
2369 {
2370 	int status = hdspm_read(hdspm, HDSPM_RD_STATUS_2);
2371 
2372 	return (status >> (idx*4)) & 0xF;
2373 }
2374 
2375 #define ENUMERATED_CTL_INFO(info, texts) \
2376 	snd_ctl_enum_info(info, 1, ARRAY_SIZE(texts), texts)
2377 
2378 
2379 /* Helper function to query the external sample rate and return the
2380  * corresponding enum to be returned to userspace.
2381  */
2382 static int hdspm_external_rate_to_enum(struct hdspm *hdspm)
2383 {
2384 	int rate = hdspm_external_sample_rate(hdspm);
2385 	int i, selected_rate = 0;
2386 	for (i = 1; i < 10; i++)
2387 		if (HDSPM_bit2freq(i) == rate) {
2388 			selected_rate = i;
2389 			break;
2390 		}
2391 	return selected_rate;
2392 }
2393 
2394 
2395 #define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
2396 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2397 	.name = xname, \
2398 	.private_value = xindex, \
2399 	.access = SNDRV_CTL_ELEM_ACCESS_READ, \
2400 	.info = snd_hdspm_info_autosync_sample_rate, \
2401 	.get = snd_hdspm_get_autosync_sample_rate \
2402 }
2403 
2404 
2405 static int snd_hdspm_info_autosync_sample_rate(struct snd_kcontrol *kcontrol,
2406 					       struct snd_ctl_elem_info *uinfo)
2407 {
2408 	ENUMERATED_CTL_INFO(uinfo, texts_freq);
2409 	return 0;
2410 }
2411 
2412 
2413 static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
2414 					      struct snd_ctl_elem_value *
2415 					      ucontrol)
2416 {
2417 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2418 
2419 	switch (hdspm->io_type) {
2420 	case RayDAT:
2421 		switch (kcontrol->private_value) {
2422 		case 0:
2423 			ucontrol->value.enumerated.item[0] =
2424 				hdspm_get_wc_sample_rate(hdspm);
2425 			break;
2426 		case 7:
2427 			ucontrol->value.enumerated.item[0] =
2428 				hdspm_get_tco_sample_rate(hdspm);
2429 			break;
2430 		case 8:
2431 			ucontrol->value.enumerated.item[0] =
2432 				hdspm_get_sync_in_sample_rate(hdspm);
2433 			break;
2434 		default:
2435 			ucontrol->value.enumerated.item[0] =
2436 				hdspm_get_s1_sample_rate(hdspm,
2437 						kcontrol->private_value-1);
2438 		}
2439 		break;
2440 
2441 	case AIO:
2442 		switch (kcontrol->private_value) {
2443 		case 0: /* WC */
2444 			ucontrol->value.enumerated.item[0] =
2445 				hdspm_get_wc_sample_rate(hdspm);
2446 			break;
2447 		case 4: /* TCO */
2448 			ucontrol->value.enumerated.item[0] =
2449 				hdspm_get_tco_sample_rate(hdspm);
2450 			break;
2451 		case 5: /* SYNC_IN */
2452 			ucontrol->value.enumerated.item[0] =
2453 				hdspm_get_sync_in_sample_rate(hdspm);
2454 			break;
2455 		default:
2456 			ucontrol->value.enumerated.item[0] =
2457 				hdspm_get_s1_sample_rate(hdspm,
2458 						kcontrol->private_value-1);
2459 		}
2460 		break;
2461 
2462 	case AES32:
2463 
2464 		switch (kcontrol->private_value) {
2465 		case 0: /* WC */
2466 			ucontrol->value.enumerated.item[0] =
2467 				hdspm_get_wc_sample_rate(hdspm);
2468 			break;
2469 		case 9: /* TCO */
2470 			ucontrol->value.enumerated.item[0] =
2471 				hdspm_get_tco_sample_rate(hdspm);
2472 			break;
2473 		case 10: /* SYNC_IN */
2474 			ucontrol->value.enumerated.item[0] =
2475 				hdspm_get_sync_in_sample_rate(hdspm);
2476 			break;
2477 		case 11: /* External Rate */
2478 			ucontrol->value.enumerated.item[0] =
2479 				hdspm_external_rate_to_enum(hdspm);
2480 			break;
2481 		default: /* AES1 to AES8 */
2482 			ucontrol->value.enumerated.item[0] =
2483 				hdspm_get_aes_sample_rate(hdspm,
2484 						kcontrol->private_value -
2485 						HDSPM_AES32_AUTOSYNC_FROM_AES1);
2486 			break;
2487 		}
2488 		break;
2489 
2490 	case MADI:
2491 	case MADIface:
2492 		ucontrol->value.enumerated.item[0] =
2493 			hdspm_external_rate_to_enum(hdspm);
2494 		break;
2495 	default:
2496 		break;
2497 	}
2498 
2499 	return 0;
2500 }
2501 
2502 
2503 #define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
2504 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2505 	.name = xname, \
2506 	.index = xindex, \
2507 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
2508 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2509 	.info = snd_hdspm_info_system_clock_mode, \
2510 	.get = snd_hdspm_get_system_clock_mode, \
2511 	.put = snd_hdspm_put_system_clock_mode, \
2512 }
2513 
2514 
2515 /*
2516  * Returns the system clock mode for the given card.
2517  * @returns 0 - master, 1 - slave
2518  */
2519 static int hdspm_system_clock_mode(struct hdspm *hdspm)
2520 {
2521 	switch (hdspm->io_type) {
2522 	case AIO:
2523 	case RayDAT:
2524 		if (hdspm->settings_register & HDSPM_c0Master)
2525 			return 0;
2526 		break;
2527 
2528 	default:
2529 		if (hdspm->control_register & HDSPM_ClockModeMaster)
2530 			return 0;
2531 	}
2532 
2533 	return 1;
2534 }
2535 
2536 
2537 /*
2538  * Sets the system clock mode.
2539  * @param mode 0 - master, 1 - slave
2540  */
2541 static void hdspm_set_system_clock_mode(struct hdspm *hdspm, int mode)
2542 {
2543 	hdspm_set_toggle_setting(hdspm,
2544 			(hdspm_is_raydat_or_aio(hdspm)) ?
2545 			HDSPM_c0Master : HDSPM_ClockModeMaster,
2546 			(0 == mode));
2547 }
2548 
2549 
2550 static int snd_hdspm_info_system_clock_mode(struct snd_kcontrol *kcontrol,
2551 					    struct snd_ctl_elem_info *uinfo)
2552 {
2553 	static const char *const texts[] = { "Master", "AutoSync" };
2554 	ENUMERATED_CTL_INFO(uinfo, texts);
2555 	return 0;
2556 }
2557 
2558 static int snd_hdspm_get_system_clock_mode(struct snd_kcontrol *kcontrol,
2559 					   struct snd_ctl_elem_value *ucontrol)
2560 {
2561 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2562 
2563 	ucontrol->value.enumerated.item[0] = hdspm_system_clock_mode(hdspm);
2564 	return 0;
2565 }
2566 
2567 static int snd_hdspm_put_system_clock_mode(struct snd_kcontrol *kcontrol,
2568 					   struct snd_ctl_elem_value *ucontrol)
2569 {
2570 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2571 	int val;
2572 
2573 	if (!snd_hdspm_use_is_exclusive(hdspm))
2574 		return -EBUSY;
2575 
2576 	val = ucontrol->value.enumerated.item[0];
2577 	if (val < 0)
2578 		val = 0;
2579 	else if (val > 1)
2580 		val = 1;
2581 
2582 	hdspm_set_system_clock_mode(hdspm, val);
2583 
2584 	return 0;
2585 }
2586 
2587 
2588 #define HDSPM_INTERNAL_CLOCK(xname, xindex) \
2589 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2590 	.name = xname, \
2591 	.index = xindex, \
2592 	.info = snd_hdspm_info_clock_source, \
2593 	.get = snd_hdspm_get_clock_source, \
2594 	.put = snd_hdspm_put_clock_source \
2595 }
2596 
2597 
2598 static int hdspm_clock_source(struct hdspm * hdspm)
2599 {
2600 	switch (hdspm->system_sample_rate) {
2601 	case 32000: return 0;
2602 	case 44100: return 1;
2603 	case 48000: return 2;
2604 	case 64000: return 3;
2605 	case 88200: return 4;
2606 	case 96000: return 5;
2607 	case 128000: return 6;
2608 	case 176400: return 7;
2609 	case 192000: return 8;
2610 	}
2611 
2612 	return -1;
2613 }
2614 
2615 static int hdspm_set_clock_source(struct hdspm * hdspm, int mode)
2616 {
2617 	int rate;
2618 	switch (mode) {
2619 	case 0:
2620 		rate = 32000; break;
2621 	case 1:
2622 		rate = 44100; break;
2623 	case 2:
2624 		rate = 48000; break;
2625 	case 3:
2626 		rate = 64000; break;
2627 	case 4:
2628 		rate = 88200; break;
2629 	case 5:
2630 		rate = 96000; break;
2631 	case 6:
2632 		rate = 128000; break;
2633 	case 7:
2634 		rate = 176400; break;
2635 	case 8:
2636 		rate = 192000; break;
2637 	default:
2638 		rate = 48000;
2639 	}
2640 	hdspm_set_rate(hdspm, rate, 1);
2641 	return 0;
2642 }
2643 
2644 static int snd_hdspm_info_clock_source(struct snd_kcontrol *kcontrol,
2645 				       struct snd_ctl_elem_info *uinfo)
2646 {
2647 	return snd_ctl_enum_info(uinfo, 1, 9, texts_freq + 1);
2648 }
2649 
2650 static int snd_hdspm_get_clock_source(struct snd_kcontrol *kcontrol,
2651 				      struct snd_ctl_elem_value *ucontrol)
2652 {
2653 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2654 
2655 	ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
2656 	return 0;
2657 }
2658 
2659 static int snd_hdspm_put_clock_source(struct snd_kcontrol *kcontrol,
2660 				      struct snd_ctl_elem_value *ucontrol)
2661 {
2662 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2663 	int change;
2664 	int val;
2665 
2666 	if (!snd_hdspm_use_is_exclusive(hdspm))
2667 		return -EBUSY;
2668 	val = ucontrol->value.enumerated.item[0];
2669 	if (val < 0)
2670 		val = 0;
2671 	if (val > 9)
2672 		val = 9;
2673 	spin_lock_irq(&hdspm->lock);
2674 	if (val != hdspm_clock_source(hdspm))
2675 		change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
2676 	else
2677 		change = 0;
2678 	spin_unlock_irq(&hdspm->lock);
2679 	return change;
2680 }
2681 
2682 
2683 #define HDSPM_PREF_SYNC_REF(xname, xindex) \
2684 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2685 	.name = xname, \
2686 	.index = xindex, \
2687 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
2688 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2689 	.info = snd_hdspm_info_pref_sync_ref, \
2690 	.get = snd_hdspm_get_pref_sync_ref, \
2691 	.put = snd_hdspm_put_pref_sync_ref \
2692 }
2693 
2694 
2695 /*
2696  * Returns the current preferred sync reference setting.
2697  * The semantics of the return value are depending on the
2698  * card, please see the comments for clarification.
2699  */
2700 static int hdspm_pref_sync_ref(struct hdspm * hdspm)
2701 {
2702 	switch (hdspm->io_type) {
2703 	case AES32:
2704 		switch (hdspm->control_register & HDSPM_SyncRefMask) {
2705 		case 0: return 0;  /* WC */
2706 		case HDSPM_SyncRef0: return 1; /* AES 1 */
2707 		case HDSPM_SyncRef1: return 2; /* AES 2 */
2708 		case HDSPM_SyncRef1+HDSPM_SyncRef0: return 3; /* AES 3 */
2709 		case HDSPM_SyncRef2: return 4; /* AES 4 */
2710 		case HDSPM_SyncRef2+HDSPM_SyncRef0: return 5; /* AES 5 */
2711 		case HDSPM_SyncRef2+HDSPM_SyncRef1: return 6; /* AES 6 */
2712 		case HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0:
2713 						    return 7; /* AES 7 */
2714 		case HDSPM_SyncRef3: return 8; /* AES 8 */
2715 		case HDSPM_SyncRef3+HDSPM_SyncRef0: return 9; /* TCO */
2716 		}
2717 		break;
2718 
2719 	case MADI:
2720 	case MADIface:
2721 		if (hdspm->tco) {
2722 			switch (hdspm->control_register & HDSPM_SyncRefMask) {
2723 			case 0: return 0;  /* WC */
2724 			case HDSPM_SyncRef0: return 1;  /* MADI */
2725 			case HDSPM_SyncRef1: return 2;  /* TCO */
2726 			case HDSPM_SyncRef1+HDSPM_SyncRef0:
2727 					     return 3;  /* SYNC_IN */
2728 			}
2729 		} else {
2730 			switch (hdspm->control_register & HDSPM_SyncRefMask) {
2731 			case 0: return 0;  /* WC */
2732 			case HDSPM_SyncRef0: return 1;  /* MADI */
2733 			case HDSPM_SyncRef1+HDSPM_SyncRef0:
2734 					     return 2;  /* SYNC_IN */
2735 			}
2736 		}
2737 		break;
2738 
2739 	case RayDAT:
2740 		if (hdspm->tco) {
2741 			switch ((hdspm->settings_register &
2742 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2743 			case 0: return 0;  /* WC */
2744 			case 3: return 1;  /* ADAT 1 */
2745 			case 4: return 2;  /* ADAT 2 */
2746 			case 5: return 3;  /* ADAT 3 */
2747 			case 6: return 4;  /* ADAT 4 */
2748 			case 1: return 5;  /* AES */
2749 			case 2: return 6;  /* SPDIF */
2750 			case 9: return 7;  /* TCO */
2751 			case 10: return 8; /* SYNC_IN */
2752 			}
2753 		} else {
2754 			switch ((hdspm->settings_register &
2755 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2756 			case 0: return 0;  /* WC */
2757 			case 3: return 1;  /* ADAT 1 */
2758 			case 4: return 2;  /* ADAT 2 */
2759 			case 5: return 3;  /* ADAT 3 */
2760 			case 6: return 4;  /* ADAT 4 */
2761 			case 1: return 5;  /* AES */
2762 			case 2: return 6;  /* SPDIF */
2763 			case 10: return 7; /* SYNC_IN */
2764 			}
2765 		}
2766 
2767 		break;
2768 
2769 	case AIO:
2770 		if (hdspm->tco) {
2771 			switch ((hdspm->settings_register &
2772 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2773 			case 0: return 0;  /* WC */
2774 			case 3: return 1;  /* ADAT */
2775 			case 1: return 2;  /* AES */
2776 			case 2: return 3;  /* SPDIF */
2777 			case 9: return 4;  /* TCO */
2778 			case 10: return 5; /* SYNC_IN */
2779 			}
2780 		} else {
2781 			switch ((hdspm->settings_register &
2782 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2783 			case 0: return 0;  /* WC */
2784 			case 3: return 1;  /* ADAT */
2785 			case 1: return 2;  /* AES */
2786 			case 2: return 3;  /* SPDIF */
2787 			case 10: return 4; /* SYNC_IN */
2788 			}
2789 		}
2790 
2791 		break;
2792 	}
2793 
2794 	return -1;
2795 }
2796 
2797 
2798 /*
2799  * Set the preferred sync reference to <pref>. The semantics
2800  * of <pref> are depending on the card type, see the comments
2801  * for clarification.
2802  */
2803 static int hdspm_set_pref_sync_ref(struct hdspm * hdspm, int pref)
2804 {
2805 	int p = 0;
2806 
2807 	switch (hdspm->io_type) {
2808 	case AES32:
2809 		hdspm->control_register &= ~HDSPM_SyncRefMask;
2810 		switch (pref) {
2811 		case 0: /* WC  */
2812 			break;
2813 		case 1: /* AES 1 */
2814 			hdspm->control_register |= HDSPM_SyncRef0;
2815 			break;
2816 		case 2: /* AES 2 */
2817 			hdspm->control_register |= HDSPM_SyncRef1;
2818 			break;
2819 		case 3: /* AES 3 */
2820 			hdspm->control_register |=
2821 				HDSPM_SyncRef1+HDSPM_SyncRef0;
2822 			break;
2823 		case 4: /* AES 4 */
2824 			hdspm->control_register |= HDSPM_SyncRef2;
2825 			break;
2826 		case 5: /* AES 5 */
2827 			hdspm->control_register |=
2828 				HDSPM_SyncRef2+HDSPM_SyncRef0;
2829 			break;
2830 		case 6: /* AES 6 */
2831 			hdspm->control_register |=
2832 				HDSPM_SyncRef2+HDSPM_SyncRef1;
2833 			break;
2834 		case 7: /* AES 7 */
2835 			hdspm->control_register |=
2836 				HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
2837 			break;
2838 		case 8: /* AES 8 */
2839 			hdspm->control_register |= HDSPM_SyncRef3;
2840 			break;
2841 		case 9: /* TCO */
2842 			hdspm->control_register |=
2843 				HDSPM_SyncRef3+HDSPM_SyncRef0;
2844 			break;
2845 		default:
2846 			return -1;
2847 		}
2848 
2849 		break;
2850 
2851 	case MADI:
2852 	case MADIface:
2853 		hdspm->control_register &= ~HDSPM_SyncRefMask;
2854 		if (hdspm->tco) {
2855 			switch (pref) {
2856 			case 0: /* WC */
2857 				break;
2858 			case 1: /* MADI */
2859 				hdspm->control_register |= HDSPM_SyncRef0;
2860 				break;
2861 			case 2: /* TCO */
2862 				hdspm->control_register |= HDSPM_SyncRef1;
2863 				break;
2864 			case 3: /* SYNC_IN */
2865 				hdspm->control_register |=
2866 					HDSPM_SyncRef0+HDSPM_SyncRef1;
2867 				break;
2868 			default:
2869 				return -1;
2870 			}
2871 		} else {
2872 			switch (pref) {
2873 			case 0: /* WC */
2874 				break;
2875 			case 1: /* MADI */
2876 				hdspm->control_register |= HDSPM_SyncRef0;
2877 				break;
2878 			case 2: /* SYNC_IN */
2879 				hdspm->control_register |=
2880 					HDSPM_SyncRef0+HDSPM_SyncRef1;
2881 				break;
2882 			default:
2883 				return -1;
2884 			}
2885 		}
2886 
2887 		break;
2888 
2889 	case RayDAT:
2890 		if (hdspm->tco) {
2891 			switch (pref) {
2892 			case 0: p = 0; break;  /* WC */
2893 			case 1: p = 3; break;  /* ADAT 1 */
2894 			case 2: p = 4; break;  /* ADAT 2 */
2895 			case 3: p = 5; break;  /* ADAT 3 */
2896 			case 4: p = 6; break;  /* ADAT 4 */
2897 			case 5: p = 1; break;  /* AES */
2898 			case 6: p = 2; break;  /* SPDIF */
2899 			case 7: p = 9; break;  /* TCO */
2900 			case 8: p = 10; break; /* SYNC_IN */
2901 			default: return -1;
2902 			}
2903 		} else {
2904 			switch (pref) {
2905 			case 0: p = 0; break;  /* WC */
2906 			case 1: p = 3; break;  /* ADAT 1 */
2907 			case 2: p = 4; break;  /* ADAT 2 */
2908 			case 3: p = 5; break;  /* ADAT 3 */
2909 			case 4: p = 6; break;  /* ADAT 4 */
2910 			case 5: p = 1; break;  /* AES */
2911 			case 6: p = 2; break;  /* SPDIF */
2912 			case 7: p = 10; break; /* SYNC_IN */
2913 			default: return -1;
2914 			}
2915 		}
2916 		break;
2917 
2918 	case AIO:
2919 		if (hdspm->tco) {
2920 			switch (pref) {
2921 			case 0: p = 0; break;  /* WC */
2922 			case 1: p = 3; break;  /* ADAT */
2923 			case 2: p = 1; break;  /* AES */
2924 			case 3: p = 2; break;  /* SPDIF */
2925 			case 4: p = 9; break;  /* TCO */
2926 			case 5: p = 10; break; /* SYNC_IN */
2927 			default: return -1;
2928 			}
2929 		} else {
2930 			switch (pref) {
2931 			case 0: p = 0; break;  /* WC */
2932 			case 1: p = 3; break;  /* ADAT */
2933 			case 2: p = 1; break;  /* AES */
2934 			case 3: p = 2; break;  /* SPDIF */
2935 			case 4: p = 10; break; /* SYNC_IN */
2936 			default: return -1;
2937 			}
2938 		}
2939 		break;
2940 	}
2941 
2942 	switch (hdspm->io_type) {
2943 	case RayDAT:
2944 	case AIO:
2945 		hdspm->settings_register &= ~HDSPM_c0_SyncRefMask;
2946 		hdspm->settings_register |= HDSPM_c0_SyncRef0 * p;
2947 		hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
2948 		break;
2949 
2950 	case MADI:
2951 	case MADIface:
2952 	case AES32:
2953 		hdspm_write(hdspm, HDSPM_controlRegister,
2954 				hdspm->control_register);
2955 	}
2956 
2957 	return 0;
2958 }
2959 
2960 
2961 static int snd_hdspm_info_pref_sync_ref(struct snd_kcontrol *kcontrol,
2962 					struct snd_ctl_elem_info *uinfo)
2963 {
2964 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2965 
2966 	snd_ctl_enum_info(uinfo, 1, hdspm->texts_autosync_items, hdspm->texts_autosync);
2967 
2968 	return 0;
2969 }
2970 
2971 static int snd_hdspm_get_pref_sync_ref(struct snd_kcontrol *kcontrol,
2972 				       struct snd_ctl_elem_value *ucontrol)
2973 {
2974 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2975 	int psf = hdspm_pref_sync_ref(hdspm);
2976 
2977 	if (psf >= 0) {
2978 		ucontrol->value.enumerated.item[0] = psf;
2979 		return 0;
2980 	}
2981 
2982 	return -1;
2983 }
2984 
2985 static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
2986 				       struct snd_ctl_elem_value *ucontrol)
2987 {
2988 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2989 	int val, change = 0;
2990 
2991 	if (!snd_hdspm_use_is_exclusive(hdspm))
2992 		return -EBUSY;
2993 
2994 	val = ucontrol->value.enumerated.item[0];
2995 
2996 	if (val < 0)
2997 		val = 0;
2998 	else if (val >= hdspm->texts_autosync_items)
2999 		val = hdspm->texts_autosync_items-1;
3000 
3001 	spin_lock_irq(&hdspm->lock);
3002 	if (val != hdspm_pref_sync_ref(hdspm))
3003 		change = (0 == hdspm_set_pref_sync_ref(hdspm, val)) ? 1 : 0;
3004 
3005 	spin_unlock_irq(&hdspm->lock);
3006 	return change;
3007 }
3008 
3009 
3010 #define HDSPM_AUTOSYNC_REF(xname, xindex) \
3011 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3012 	.name = xname, \
3013 	.index = xindex, \
3014 	.access = SNDRV_CTL_ELEM_ACCESS_READ, \
3015 	.info = snd_hdspm_info_autosync_ref, \
3016 	.get = snd_hdspm_get_autosync_ref, \
3017 }
3018 
3019 static int hdspm_autosync_ref(struct hdspm *hdspm)
3020 {
3021 	/* This looks at the autosync selected sync reference */
3022 	if (AES32 == hdspm->io_type) {
3023 
3024 		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
3025 		unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
3026 		if ((syncref >= HDSPM_AES32_AUTOSYNC_FROM_WORD) &&
3027 				(syncref <= HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN)) {
3028 			return syncref;
3029 		}
3030 		return HDSPM_AES32_AUTOSYNC_FROM_NONE;
3031 
3032 	} else if (MADI == hdspm->io_type) {
3033 
3034 		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
3035 		switch (status2 & HDSPM_SelSyncRefMask) {
3036 		case HDSPM_SelSyncRef_WORD:
3037 			return HDSPM_AUTOSYNC_FROM_WORD;
3038 		case HDSPM_SelSyncRef_MADI:
3039 			return HDSPM_AUTOSYNC_FROM_MADI;
3040 		case HDSPM_SelSyncRef_TCO:
3041 			return HDSPM_AUTOSYNC_FROM_TCO;
3042 		case HDSPM_SelSyncRef_SyncIn:
3043 			return HDSPM_AUTOSYNC_FROM_SYNC_IN;
3044 		case HDSPM_SelSyncRef_NVALID:
3045 			return HDSPM_AUTOSYNC_FROM_NONE;
3046 		default:
3047 			return HDSPM_AUTOSYNC_FROM_NONE;
3048 		}
3049 
3050 	}
3051 	return 0;
3052 }
3053 
3054 
3055 static int snd_hdspm_info_autosync_ref(struct snd_kcontrol *kcontrol,
3056 				       struct snd_ctl_elem_info *uinfo)
3057 {
3058 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3059 
3060 	if (AES32 == hdspm->io_type) {
3061 		static const char *const texts[] = { "WordClock", "AES1", "AES2", "AES3",
3062 			"AES4",	"AES5", "AES6", "AES7", "AES8", "TCO", "Sync In", "None"};
3063 
3064 		ENUMERATED_CTL_INFO(uinfo, texts);
3065 	} else if (MADI == hdspm->io_type) {
3066 		static const char *const texts[] = {"Word Clock", "MADI", "TCO",
3067 			"Sync In", "None" };
3068 
3069 		ENUMERATED_CTL_INFO(uinfo, texts);
3070 	}
3071 	return 0;
3072 }
3073 
3074 static int snd_hdspm_get_autosync_ref(struct snd_kcontrol *kcontrol,
3075 				      struct snd_ctl_elem_value *ucontrol)
3076 {
3077 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3078 
3079 	ucontrol->value.enumerated.item[0] = hdspm_autosync_ref(hdspm);
3080 	return 0;
3081 }
3082 
3083 
3084 
3085 #define HDSPM_TCO_VIDEO_INPUT_FORMAT(xname, xindex) \
3086 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3087 	.name = xname, \
3088 	.access = SNDRV_CTL_ELEM_ACCESS_READ |\
3089 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3090 	.info = snd_hdspm_info_tco_video_input_format, \
3091 	.get = snd_hdspm_get_tco_video_input_format, \
3092 }
3093 
3094 static int snd_hdspm_info_tco_video_input_format(struct snd_kcontrol *kcontrol,
3095 				       struct snd_ctl_elem_info *uinfo)
3096 {
3097 	static const char *const texts[] = {"No video", "NTSC", "PAL"};
3098 	ENUMERATED_CTL_INFO(uinfo, texts);
3099 	return 0;
3100 }
3101 
3102 static int snd_hdspm_get_tco_video_input_format(struct snd_kcontrol *kcontrol,
3103 				      struct snd_ctl_elem_value *ucontrol)
3104 {
3105 	u32 status;
3106 	int ret = 0;
3107 
3108 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3109 	status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
3110 	switch (status & (HDSPM_TCO1_Video_Input_Format_NTSC |
3111 			HDSPM_TCO1_Video_Input_Format_PAL)) {
3112 	case HDSPM_TCO1_Video_Input_Format_NTSC:
3113 		/* ntsc */
3114 		ret = 1;
3115 		break;
3116 	case HDSPM_TCO1_Video_Input_Format_PAL:
3117 		/* pal */
3118 		ret = 2;
3119 		break;
3120 	default:
3121 		/* no video */
3122 		ret = 0;
3123 		break;
3124 	}
3125 	ucontrol->value.enumerated.item[0] = ret;
3126 	return 0;
3127 }
3128 
3129 
3130 
3131 #define HDSPM_TCO_LTC_FRAMES(xname, xindex) \
3132 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3133 	.name = xname, \
3134 	.access = SNDRV_CTL_ELEM_ACCESS_READ |\
3135 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3136 	.info = snd_hdspm_info_tco_ltc_frames, \
3137 	.get = snd_hdspm_get_tco_ltc_frames, \
3138 }
3139 
3140 static int snd_hdspm_info_tco_ltc_frames(struct snd_kcontrol *kcontrol,
3141 				       struct snd_ctl_elem_info *uinfo)
3142 {
3143 	static const char *const texts[] = {"No lock", "24 fps", "25 fps", "29.97 fps",
3144 				"30 fps"};
3145 	ENUMERATED_CTL_INFO(uinfo, texts);
3146 	return 0;
3147 }
3148 
3149 static int hdspm_tco_ltc_frames(struct hdspm *hdspm)
3150 {
3151 	u32 status;
3152 	int ret = 0;
3153 
3154 	status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
3155 	if (status & HDSPM_TCO1_LTC_Input_valid) {
3156 		switch (status & (HDSPM_TCO1_LTC_Format_LSB |
3157 					HDSPM_TCO1_LTC_Format_MSB)) {
3158 		case 0:
3159 			/* 24 fps */
3160 			ret = fps_24;
3161 			break;
3162 		case HDSPM_TCO1_LTC_Format_LSB:
3163 			/* 25 fps */
3164 			ret = fps_25;
3165 			break;
3166 		case HDSPM_TCO1_LTC_Format_MSB:
3167 			/* 29.97 fps */
3168 			ret = fps_2997;
3169 			break;
3170 		default:
3171 			/* 30 fps */
3172 			ret = fps_30;
3173 			break;
3174 		}
3175 	}
3176 
3177 	return ret;
3178 }
3179 
3180 static int snd_hdspm_get_tco_ltc_frames(struct snd_kcontrol *kcontrol,
3181 				      struct snd_ctl_elem_value *ucontrol)
3182 {
3183 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3184 
3185 	ucontrol->value.enumerated.item[0] = hdspm_tco_ltc_frames(hdspm);
3186 	return 0;
3187 }
3188 
3189 #define HDSPM_TOGGLE_SETTING(xname, xindex) \
3190 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3191 	.name = xname, \
3192 	.private_value = xindex, \
3193 	.info = snd_hdspm_info_toggle_setting, \
3194 	.get = snd_hdspm_get_toggle_setting, \
3195 	.put = snd_hdspm_put_toggle_setting \
3196 }
3197 
3198 static int hdspm_toggle_setting(struct hdspm *hdspm, u32 regmask)
3199 {
3200 	u32 reg;
3201 
3202 	if (hdspm_is_raydat_or_aio(hdspm))
3203 		reg = hdspm->settings_register;
3204 	else
3205 		reg = hdspm->control_register;
3206 
3207 	return (reg & regmask) ? 1 : 0;
3208 }
3209 
3210 static int hdspm_set_toggle_setting(struct hdspm *hdspm, u32 regmask, int out)
3211 {
3212 	u32 *reg;
3213 	u32 target_reg;
3214 
3215 	if (hdspm_is_raydat_or_aio(hdspm)) {
3216 		reg = &(hdspm->settings_register);
3217 		target_reg = HDSPM_WR_SETTINGS;
3218 	} else {
3219 		reg = &(hdspm->control_register);
3220 		target_reg = HDSPM_controlRegister;
3221 	}
3222 
3223 	if (out)
3224 		*reg |= regmask;
3225 	else
3226 		*reg &= ~regmask;
3227 
3228 	hdspm_write(hdspm, target_reg, *reg);
3229 
3230 	return 0;
3231 }
3232 
3233 #define snd_hdspm_info_toggle_setting		snd_ctl_boolean_mono_info
3234 
3235 static int snd_hdspm_get_toggle_setting(struct snd_kcontrol *kcontrol,
3236 			       struct snd_ctl_elem_value *ucontrol)
3237 {
3238 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3239 	u32 regmask = kcontrol->private_value;
3240 
3241 	spin_lock_irq(&hdspm->lock);
3242 	ucontrol->value.integer.value[0] = hdspm_toggle_setting(hdspm, regmask);
3243 	spin_unlock_irq(&hdspm->lock);
3244 	return 0;
3245 }
3246 
3247 static int snd_hdspm_put_toggle_setting(struct snd_kcontrol *kcontrol,
3248 			       struct snd_ctl_elem_value *ucontrol)
3249 {
3250 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3251 	u32 regmask = kcontrol->private_value;
3252 	int change;
3253 	unsigned int val;
3254 
3255 	if (!snd_hdspm_use_is_exclusive(hdspm))
3256 		return -EBUSY;
3257 	val = ucontrol->value.integer.value[0] & 1;
3258 	spin_lock_irq(&hdspm->lock);
3259 	change = (int) val != hdspm_toggle_setting(hdspm, regmask);
3260 	hdspm_set_toggle_setting(hdspm, regmask, val);
3261 	spin_unlock_irq(&hdspm->lock);
3262 	return change;
3263 }
3264 
3265 #define HDSPM_INPUT_SELECT(xname, xindex) \
3266 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3267 	.name = xname, \
3268 	.index = xindex, \
3269 	.info = snd_hdspm_info_input_select, \
3270 	.get = snd_hdspm_get_input_select, \
3271 	.put = snd_hdspm_put_input_select \
3272 }
3273 
3274 static int hdspm_input_select(struct hdspm * hdspm)
3275 {
3276 	return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
3277 }
3278 
3279 static int hdspm_set_input_select(struct hdspm * hdspm, int out)
3280 {
3281 	if (out)
3282 		hdspm->control_register |= HDSPM_InputSelect0;
3283 	else
3284 		hdspm->control_register &= ~HDSPM_InputSelect0;
3285 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3286 
3287 	return 0;
3288 }
3289 
3290 static int snd_hdspm_info_input_select(struct snd_kcontrol *kcontrol,
3291 				       struct snd_ctl_elem_info *uinfo)
3292 {
3293 	static const char *const texts[] = { "optical", "coaxial" };
3294 	ENUMERATED_CTL_INFO(uinfo, texts);
3295 	return 0;
3296 }
3297 
3298 static int snd_hdspm_get_input_select(struct snd_kcontrol *kcontrol,
3299 				      struct snd_ctl_elem_value *ucontrol)
3300 {
3301 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3302 
3303 	spin_lock_irq(&hdspm->lock);
3304 	ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
3305 	spin_unlock_irq(&hdspm->lock);
3306 	return 0;
3307 }
3308 
3309 static int snd_hdspm_put_input_select(struct snd_kcontrol *kcontrol,
3310 				      struct snd_ctl_elem_value *ucontrol)
3311 {
3312 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3313 	int change;
3314 	unsigned int val;
3315 
3316 	if (!snd_hdspm_use_is_exclusive(hdspm))
3317 		return -EBUSY;
3318 	val = ucontrol->value.integer.value[0] & 1;
3319 	spin_lock_irq(&hdspm->lock);
3320 	change = (int) val != hdspm_input_select(hdspm);
3321 	hdspm_set_input_select(hdspm, val);
3322 	spin_unlock_irq(&hdspm->lock);
3323 	return change;
3324 }
3325 
3326 
3327 #define HDSPM_DS_WIRE(xname, xindex) \
3328 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3329 	.name = xname, \
3330 	.index = xindex, \
3331 	.info = snd_hdspm_info_ds_wire, \
3332 	.get = snd_hdspm_get_ds_wire, \
3333 	.put = snd_hdspm_put_ds_wire \
3334 }
3335 
3336 static int hdspm_ds_wire(struct hdspm * hdspm)
3337 {
3338 	return (hdspm->control_register & HDSPM_DS_DoubleWire) ? 1 : 0;
3339 }
3340 
3341 static int hdspm_set_ds_wire(struct hdspm * hdspm, int ds)
3342 {
3343 	if (ds)
3344 		hdspm->control_register |= HDSPM_DS_DoubleWire;
3345 	else
3346 		hdspm->control_register &= ~HDSPM_DS_DoubleWire;
3347 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3348 
3349 	return 0;
3350 }
3351 
3352 static int snd_hdspm_info_ds_wire(struct snd_kcontrol *kcontrol,
3353 				  struct snd_ctl_elem_info *uinfo)
3354 {
3355 	static const char *const texts[] = { "Single", "Double" };
3356 	ENUMERATED_CTL_INFO(uinfo, texts);
3357 	return 0;
3358 }
3359 
3360 static int snd_hdspm_get_ds_wire(struct snd_kcontrol *kcontrol,
3361 				 struct snd_ctl_elem_value *ucontrol)
3362 {
3363 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3364 
3365 	spin_lock_irq(&hdspm->lock);
3366 	ucontrol->value.enumerated.item[0] = hdspm_ds_wire(hdspm);
3367 	spin_unlock_irq(&hdspm->lock);
3368 	return 0;
3369 }
3370 
3371 static int snd_hdspm_put_ds_wire(struct snd_kcontrol *kcontrol,
3372 				 struct snd_ctl_elem_value *ucontrol)
3373 {
3374 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3375 	int change;
3376 	unsigned int val;
3377 
3378 	if (!snd_hdspm_use_is_exclusive(hdspm))
3379 		return -EBUSY;
3380 	val = ucontrol->value.integer.value[0] & 1;
3381 	spin_lock_irq(&hdspm->lock);
3382 	change = (int) val != hdspm_ds_wire(hdspm);
3383 	hdspm_set_ds_wire(hdspm, val);
3384 	spin_unlock_irq(&hdspm->lock);
3385 	return change;
3386 }
3387 
3388 
3389 #define HDSPM_QS_WIRE(xname, xindex) \
3390 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3391 	.name = xname, \
3392 	.index = xindex, \
3393 	.info = snd_hdspm_info_qs_wire, \
3394 	.get = snd_hdspm_get_qs_wire, \
3395 	.put = snd_hdspm_put_qs_wire \
3396 }
3397 
3398 static int hdspm_qs_wire(struct hdspm * hdspm)
3399 {
3400 	if (hdspm->control_register & HDSPM_QS_DoubleWire)
3401 		return 1;
3402 	if (hdspm->control_register & HDSPM_QS_QuadWire)
3403 		return 2;
3404 	return 0;
3405 }
3406 
3407 static int hdspm_set_qs_wire(struct hdspm * hdspm, int mode)
3408 {
3409 	hdspm->control_register &= ~(HDSPM_QS_DoubleWire | HDSPM_QS_QuadWire);
3410 	switch (mode) {
3411 	case 0:
3412 		break;
3413 	case 1:
3414 		hdspm->control_register |= HDSPM_QS_DoubleWire;
3415 		break;
3416 	case 2:
3417 		hdspm->control_register |= HDSPM_QS_QuadWire;
3418 		break;
3419 	}
3420 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3421 
3422 	return 0;
3423 }
3424 
3425 static int snd_hdspm_info_qs_wire(struct snd_kcontrol *kcontrol,
3426 				       struct snd_ctl_elem_info *uinfo)
3427 {
3428 	static const char *const texts[] = { "Single", "Double", "Quad" };
3429 	ENUMERATED_CTL_INFO(uinfo, texts);
3430 	return 0;
3431 }
3432 
3433 static int snd_hdspm_get_qs_wire(struct snd_kcontrol *kcontrol,
3434 				      struct snd_ctl_elem_value *ucontrol)
3435 {
3436 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3437 
3438 	spin_lock_irq(&hdspm->lock);
3439 	ucontrol->value.enumerated.item[0] = hdspm_qs_wire(hdspm);
3440 	spin_unlock_irq(&hdspm->lock);
3441 	return 0;
3442 }
3443 
3444 static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
3445 				      struct snd_ctl_elem_value *ucontrol)
3446 {
3447 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3448 	int change;
3449 	int val;
3450 
3451 	if (!snd_hdspm_use_is_exclusive(hdspm))
3452 		return -EBUSY;
3453 	val = ucontrol->value.integer.value[0];
3454 	if (val < 0)
3455 		val = 0;
3456 	if (val > 2)
3457 		val = 2;
3458 	spin_lock_irq(&hdspm->lock);
3459 	change = val != hdspm_qs_wire(hdspm);
3460 	hdspm_set_qs_wire(hdspm, val);
3461 	spin_unlock_irq(&hdspm->lock);
3462 	return change;
3463 }
3464 
3465 #define HDSPM_CONTROL_TRISTATE(xname, xindex) \
3466 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3467 	.name = xname, \
3468 	.private_value = xindex, \
3469 	.info = snd_hdspm_info_tristate, \
3470 	.get = snd_hdspm_get_tristate, \
3471 	.put = snd_hdspm_put_tristate \
3472 }
3473 
3474 static int hdspm_tristate(struct hdspm *hdspm, u32 regmask)
3475 {
3476 	u32 reg = hdspm->settings_register & (regmask * 3);
3477 	return reg / regmask;
3478 }
3479 
3480 static int hdspm_set_tristate(struct hdspm *hdspm, int mode, u32 regmask)
3481 {
3482 	hdspm->settings_register &= ~(regmask * 3);
3483 	hdspm->settings_register |= (regmask * mode);
3484 	hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
3485 
3486 	return 0;
3487 }
3488 
3489 static int snd_hdspm_info_tristate(struct snd_kcontrol *kcontrol,
3490 				       struct snd_ctl_elem_info *uinfo)
3491 {
3492 	u32 regmask = kcontrol->private_value;
3493 
3494 	static const char *const texts_spdif[] = { "Optical", "Coaxial", "Internal" };
3495 	static const char *const texts_levels[] = { "Hi Gain", "+4 dBu", "-10 dBV" };
3496 
3497 	switch (regmask) {
3498 	case HDSPM_c0_Input0:
3499 		ENUMERATED_CTL_INFO(uinfo, texts_spdif);
3500 		break;
3501 	default:
3502 		ENUMERATED_CTL_INFO(uinfo, texts_levels);
3503 		break;
3504 	}
3505 	return 0;
3506 }
3507 
3508 static int snd_hdspm_get_tristate(struct snd_kcontrol *kcontrol,
3509 				      struct snd_ctl_elem_value *ucontrol)
3510 {
3511 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3512 	u32 regmask = kcontrol->private_value;
3513 
3514 	spin_lock_irq(&hdspm->lock);
3515 	ucontrol->value.enumerated.item[0] = hdspm_tristate(hdspm, regmask);
3516 	spin_unlock_irq(&hdspm->lock);
3517 	return 0;
3518 }
3519 
3520 static int snd_hdspm_put_tristate(struct snd_kcontrol *kcontrol,
3521 				      struct snd_ctl_elem_value *ucontrol)
3522 {
3523 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3524 	u32 regmask = kcontrol->private_value;
3525 	int change;
3526 	int val;
3527 
3528 	if (!snd_hdspm_use_is_exclusive(hdspm))
3529 		return -EBUSY;
3530 	val = ucontrol->value.integer.value[0];
3531 	if (val < 0)
3532 		val = 0;
3533 	if (val > 2)
3534 		val = 2;
3535 
3536 	spin_lock_irq(&hdspm->lock);
3537 	change = val != hdspm_tristate(hdspm, regmask);
3538 	hdspm_set_tristate(hdspm, val, regmask);
3539 	spin_unlock_irq(&hdspm->lock);
3540 	return change;
3541 }
3542 
3543 #define HDSPM_MADI_SPEEDMODE(xname, xindex) \
3544 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3545 	.name = xname, \
3546 	.index = xindex, \
3547 	.info = snd_hdspm_info_madi_speedmode, \
3548 	.get = snd_hdspm_get_madi_speedmode, \
3549 	.put = snd_hdspm_put_madi_speedmode \
3550 }
3551 
3552 static int hdspm_madi_speedmode(struct hdspm *hdspm)
3553 {
3554 	if (hdspm->control_register & HDSPM_QuadSpeed)
3555 		return 2;
3556 	if (hdspm->control_register & HDSPM_DoubleSpeed)
3557 		return 1;
3558 	return 0;
3559 }
3560 
3561 static int hdspm_set_madi_speedmode(struct hdspm *hdspm, int mode)
3562 {
3563 	hdspm->control_register &= ~(HDSPM_DoubleSpeed | HDSPM_QuadSpeed);
3564 	switch (mode) {
3565 	case 0:
3566 		break;
3567 	case 1:
3568 		hdspm->control_register |= HDSPM_DoubleSpeed;
3569 		break;
3570 	case 2:
3571 		hdspm->control_register |= HDSPM_QuadSpeed;
3572 		break;
3573 	}
3574 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3575 
3576 	return 0;
3577 }
3578 
3579 static int snd_hdspm_info_madi_speedmode(struct snd_kcontrol *kcontrol,
3580 				       struct snd_ctl_elem_info *uinfo)
3581 {
3582 	static const char *const texts[] = { "Single", "Double", "Quad" };
3583 	ENUMERATED_CTL_INFO(uinfo, texts);
3584 	return 0;
3585 }
3586 
3587 static int snd_hdspm_get_madi_speedmode(struct snd_kcontrol *kcontrol,
3588 				      struct snd_ctl_elem_value *ucontrol)
3589 {
3590 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3591 
3592 	spin_lock_irq(&hdspm->lock);
3593 	ucontrol->value.enumerated.item[0] = hdspm_madi_speedmode(hdspm);
3594 	spin_unlock_irq(&hdspm->lock);
3595 	return 0;
3596 }
3597 
3598 static int snd_hdspm_put_madi_speedmode(struct snd_kcontrol *kcontrol,
3599 				      struct snd_ctl_elem_value *ucontrol)
3600 {
3601 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3602 	int change;
3603 	int val;
3604 
3605 	if (!snd_hdspm_use_is_exclusive(hdspm))
3606 		return -EBUSY;
3607 	val = ucontrol->value.integer.value[0];
3608 	if (val < 0)
3609 		val = 0;
3610 	if (val > 2)
3611 		val = 2;
3612 	spin_lock_irq(&hdspm->lock);
3613 	change = val != hdspm_madi_speedmode(hdspm);
3614 	hdspm_set_madi_speedmode(hdspm, val);
3615 	spin_unlock_irq(&hdspm->lock);
3616 	return change;
3617 }
3618 
3619 #define HDSPM_MIXER(xname, xindex) \
3620 {	.iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
3621 	.name = xname, \
3622 	.index = xindex, \
3623 	.device = 0, \
3624 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
3625 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3626 	.info = snd_hdspm_info_mixer, \
3627 	.get = snd_hdspm_get_mixer, \
3628 	.put = snd_hdspm_put_mixer \
3629 }
3630 
3631 static int snd_hdspm_info_mixer(struct snd_kcontrol *kcontrol,
3632 				struct snd_ctl_elem_info *uinfo)
3633 {
3634 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3635 	uinfo->count = 3;
3636 	uinfo->value.integer.min = 0;
3637 	uinfo->value.integer.max = 65535;
3638 	uinfo->value.integer.step = 1;
3639 	return 0;
3640 }
3641 
3642 static int snd_hdspm_get_mixer(struct snd_kcontrol *kcontrol,
3643 			       struct snd_ctl_elem_value *ucontrol)
3644 {
3645 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3646 	int source;
3647 	int destination;
3648 
3649 	source = ucontrol->value.integer.value[0];
3650 	if (source < 0)
3651 		source = 0;
3652 	else if (source >= 2 * HDSPM_MAX_CHANNELS)
3653 		source = 2 * HDSPM_MAX_CHANNELS - 1;
3654 
3655 	destination = ucontrol->value.integer.value[1];
3656 	if (destination < 0)
3657 		destination = 0;
3658 	else if (destination >= HDSPM_MAX_CHANNELS)
3659 		destination = HDSPM_MAX_CHANNELS - 1;
3660 
3661 	spin_lock_irq(&hdspm->lock);
3662 	if (source >= HDSPM_MAX_CHANNELS)
3663 		ucontrol->value.integer.value[2] =
3664 		    hdspm_read_pb_gain(hdspm, destination,
3665 				       source - HDSPM_MAX_CHANNELS);
3666 	else
3667 		ucontrol->value.integer.value[2] =
3668 		    hdspm_read_in_gain(hdspm, destination, source);
3669 
3670 	spin_unlock_irq(&hdspm->lock);
3671 
3672 	return 0;
3673 }
3674 
3675 static int snd_hdspm_put_mixer(struct snd_kcontrol *kcontrol,
3676 			       struct snd_ctl_elem_value *ucontrol)
3677 {
3678 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3679 	int change;
3680 	int source;
3681 	int destination;
3682 	int gain;
3683 
3684 	if (!snd_hdspm_use_is_exclusive(hdspm))
3685 		return -EBUSY;
3686 
3687 	source = ucontrol->value.integer.value[0];
3688 	destination = ucontrol->value.integer.value[1];
3689 
3690 	if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
3691 		return -1;
3692 	if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
3693 		return -1;
3694 
3695 	gain = ucontrol->value.integer.value[2];
3696 
3697 	spin_lock_irq(&hdspm->lock);
3698 
3699 	if (source >= HDSPM_MAX_CHANNELS)
3700 		change = gain != hdspm_read_pb_gain(hdspm, destination,
3701 						    source -
3702 						    HDSPM_MAX_CHANNELS);
3703 	else
3704 		change = gain != hdspm_read_in_gain(hdspm, destination,
3705 						    source);
3706 
3707 	if (change) {
3708 		if (source >= HDSPM_MAX_CHANNELS)
3709 			hdspm_write_pb_gain(hdspm, destination,
3710 					    source - HDSPM_MAX_CHANNELS,
3711 					    gain);
3712 		else
3713 			hdspm_write_in_gain(hdspm, destination, source,
3714 					    gain);
3715 	}
3716 	spin_unlock_irq(&hdspm->lock);
3717 
3718 	return change;
3719 }
3720 
3721 /* The simple mixer control(s) provide gain control for the
3722    basic 1:1 mappings of playback streams to output
3723    streams.
3724 */
3725 
3726 #define HDSPM_PLAYBACK_MIXER \
3727 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3728 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
3729 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3730 	.info = snd_hdspm_info_playback_mixer, \
3731 	.get = snd_hdspm_get_playback_mixer, \
3732 	.put = snd_hdspm_put_playback_mixer \
3733 }
3734 
3735 static int snd_hdspm_info_playback_mixer(struct snd_kcontrol *kcontrol,
3736 					 struct snd_ctl_elem_info *uinfo)
3737 {
3738 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3739 	uinfo->count = 1;
3740 	uinfo->value.integer.min = 0;
3741 	uinfo->value.integer.max = 64;
3742 	uinfo->value.integer.step = 1;
3743 	return 0;
3744 }
3745 
3746 static int snd_hdspm_get_playback_mixer(struct snd_kcontrol *kcontrol,
3747 					struct snd_ctl_elem_value *ucontrol)
3748 {
3749 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3750 	int channel;
3751 
3752 	channel = ucontrol->id.index - 1;
3753 
3754 	if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
3755 		return -EINVAL;
3756 
3757 	spin_lock_irq(&hdspm->lock);
3758 	ucontrol->value.integer.value[0] =
3759 	  (hdspm_read_pb_gain(hdspm, channel, channel)*64)/UNITY_GAIN;
3760 	spin_unlock_irq(&hdspm->lock);
3761 
3762 	return 0;
3763 }
3764 
3765 static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol,
3766 					struct snd_ctl_elem_value *ucontrol)
3767 {
3768 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3769 	int change;
3770 	int channel;
3771 	int gain;
3772 
3773 	if (!snd_hdspm_use_is_exclusive(hdspm))
3774 		return -EBUSY;
3775 
3776 	channel = ucontrol->id.index - 1;
3777 
3778 	if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
3779 		return -EINVAL;
3780 
3781 	gain = ucontrol->value.integer.value[0]*UNITY_GAIN/64;
3782 
3783 	spin_lock_irq(&hdspm->lock);
3784 	change =
3785 	    gain != hdspm_read_pb_gain(hdspm, channel,
3786 				       channel);
3787 	if (change)
3788 		hdspm_write_pb_gain(hdspm, channel, channel,
3789 				    gain);
3790 	spin_unlock_irq(&hdspm->lock);
3791 	return change;
3792 }
3793 
3794 #define HDSPM_SYNC_CHECK(xname, xindex) \
3795 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3796 	.name = xname, \
3797 	.private_value = xindex, \
3798 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3799 	.info = snd_hdspm_info_sync_check, \
3800 	.get = snd_hdspm_get_sync_check \
3801 }
3802 
3803 #define HDSPM_TCO_LOCK_CHECK(xname, xindex) \
3804 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3805 	.name = xname, \
3806 	.private_value = xindex, \
3807 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3808 	.info = snd_hdspm_tco_info_lock_check, \
3809 	.get = snd_hdspm_get_sync_check \
3810 }
3811 
3812 
3813 
3814 static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
3815 				     struct snd_ctl_elem_info *uinfo)
3816 {
3817 	static const char *const texts[] = { "No Lock", "Lock", "Sync", "N/A" };
3818 	ENUMERATED_CTL_INFO(uinfo, texts);
3819 	return 0;
3820 }
3821 
3822 static int snd_hdspm_tco_info_lock_check(struct snd_kcontrol *kcontrol,
3823 				     struct snd_ctl_elem_info *uinfo)
3824 {
3825 	static const char *const texts[] = { "No Lock", "Lock" };
3826 	ENUMERATED_CTL_INFO(uinfo, texts);
3827 	return 0;
3828 }
3829 
3830 static int hdspm_wc_sync_check(struct hdspm *hdspm)
3831 {
3832 	int status, status2;
3833 
3834 	switch (hdspm->io_type) {
3835 	case AES32:
3836 		status = hdspm_read(hdspm, HDSPM_statusRegister);
3837 		if (status & HDSPM_AES32_wcLock) {
3838 			if (status & HDSPM_AES32_wcSync)
3839 				return 2;
3840 			else
3841 				return 1;
3842 		}
3843 		return 0;
3844 		break;
3845 
3846 	case MADI:
3847 		status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
3848 		if (status2 & HDSPM_wcLock) {
3849 			if (status2 & HDSPM_wcSync)
3850 				return 2;
3851 			else
3852 				return 1;
3853 		}
3854 		return 0;
3855 		break;
3856 
3857 	case RayDAT:
3858 	case AIO:
3859 		status = hdspm_read(hdspm, HDSPM_statusRegister);
3860 
3861 		if (status & 0x2000000)
3862 			return 2;
3863 		else if (status & 0x1000000)
3864 			return 1;
3865 		return 0;
3866 
3867 		break;
3868 
3869 	case MADIface:
3870 		break;
3871 	}
3872 
3873 
3874 	return 3;
3875 }
3876 
3877 
3878 static int hdspm_madi_sync_check(struct hdspm *hdspm)
3879 {
3880 	int status = hdspm_read(hdspm, HDSPM_statusRegister);
3881 	if (status & HDSPM_madiLock) {
3882 		if (status & HDSPM_madiSync)
3883 			return 2;
3884 		else
3885 			return 1;
3886 	}
3887 	return 0;
3888 }
3889 
3890 
3891 static int hdspm_s1_sync_check(struct hdspm *hdspm, int idx)
3892 {
3893 	int status, lock, sync;
3894 
3895 	status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
3896 
3897 	lock = (status & (0x1<<idx)) ? 1 : 0;
3898 	sync = (status & (0x100<<idx)) ? 1 : 0;
3899 
3900 	if (lock && sync)
3901 		return 2;
3902 	else if (lock)
3903 		return 1;
3904 	return 0;
3905 }
3906 
3907 
3908 static int hdspm_sync_in_sync_check(struct hdspm *hdspm)
3909 {
3910 	int status, lock = 0, sync = 0;
3911 
3912 	switch (hdspm->io_type) {
3913 	case RayDAT:
3914 	case AIO:
3915 		status = hdspm_read(hdspm, HDSPM_RD_STATUS_3);
3916 		lock = (status & 0x400) ? 1 : 0;
3917 		sync = (status & 0x800) ? 1 : 0;
3918 		break;
3919 
3920 	case MADI:
3921 		status = hdspm_read(hdspm, HDSPM_statusRegister);
3922 		lock = (status & HDSPM_syncInLock) ? 1 : 0;
3923 		sync = (status & HDSPM_syncInSync) ? 1 : 0;
3924 		break;
3925 
3926 	case AES32:
3927 		status = hdspm_read(hdspm, HDSPM_statusRegister2);
3928 		lock = (status & 0x100000) ? 1 : 0;
3929 		sync = (status & 0x200000) ? 1 : 0;
3930 		break;
3931 
3932 	case MADIface:
3933 		break;
3934 	}
3935 
3936 	if (lock && sync)
3937 		return 2;
3938 	else if (lock)
3939 		return 1;
3940 
3941 	return 0;
3942 }
3943 
3944 static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx)
3945 {
3946 	int status2, lock, sync;
3947 	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
3948 
3949 	lock = (status2 & (0x0080 >> idx)) ? 1 : 0;
3950 	sync = (status2 & (0x8000 >> idx)) ? 1 : 0;
3951 
3952 	if (sync)
3953 		return 2;
3954 	else if (lock)
3955 		return 1;
3956 	return 0;
3957 }
3958 
3959 static int hdspm_tco_input_check(struct hdspm *hdspm, u32 mask)
3960 {
3961 	u32 status;
3962 	status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
3963 
3964 	return (status & mask) ? 1 : 0;
3965 }
3966 
3967 
3968 static int hdspm_tco_sync_check(struct hdspm *hdspm)
3969 {
3970 	int status;
3971 
3972 	if (hdspm->tco) {
3973 		switch (hdspm->io_type) {
3974 		case MADI:
3975 			status = hdspm_read(hdspm, HDSPM_statusRegister);
3976 			if (status & HDSPM_tcoLockMadi) {
3977 				if (status & HDSPM_tcoSync)
3978 					return 2;
3979 				else
3980 					return 1;
3981 			}
3982 			return 0;
3983 		case AES32:
3984 			status = hdspm_read(hdspm, HDSPM_statusRegister);
3985 			if (status & HDSPM_tcoLockAes) {
3986 				if (status & HDSPM_tcoSync)
3987 					return 2;
3988 				else
3989 					return 1;
3990 			}
3991 			return 0;
3992 		case RayDAT:
3993 		case AIO:
3994 			status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
3995 
3996 			if (status & 0x8000000)
3997 				return 2; /* Sync */
3998 			if (status & 0x4000000)
3999 				return 1; /* Lock */
4000 			return 0; /* No signal */
4001 
4002 		default:
4003 			break;
4004 		}
4005 	}
4006 
4007 	return 3; /* N/A */
4008 }
4009 
4010 
4011 static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
4012 				    struct snd_ctl_elem_value *ucontrol)
4013 {
4014 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4015 	int val = -1;
4016 
4017 	switch (hdspm->io_type) {
4018 	case RayDAT:
4019 		switch (kcontrol->private_value) {
4020 		case 0: /* WC */
4021 			val = hdspm_wc_sync_check(hdspm); break;
4022 		case 7: /* TCO */
4023 			val = hdspm_tco_sync_check(hdspm); break;
4024 		case 8: /* SYNC IN */
4025 			val = hdspm_sync_in_sync_check(hdspm); break;
4026 		default:
4027 			val = hdspm_s1_sync_check(hdspm,
4028 					kcontrol->private_value-1);
4029 		}
4030 		break;
4031 
4032 	case AIO:
4033 		switch (kcontrol->private_value) {
4034 		case 0: /* WC */
4035 			val = hdspm_wc_sync_check(hdspm); break;
4036 		case 4: /* TCO */
4037 			val = hdspm_tco_sync_check(hdspm); break;
4038 		case 5: /* SYNC IN */
4039 			val = hdspm_sync_in_sync_check(hdspm); break;
4040 		default:
4041 			val = hdspm_s1_sync_check(hdspm,
4042 					kcontrol->private_value-1);
4043 		}
4044 		break;
4045 
4046 	case MADI:
4047 		switch (kcontrol->private_value) {
4048 		case 0: /* WC */
4049 			val = hdspm_wc_sync_check(hdspm); break;
4050 		case 1: /* MADI */
4051 			val = hdspm_madi_sync_check(hdspm); break;
4052 		case 2: /* TCO */
4053 			val = hdspm_tco_sync_check(hdspm); break;
4054 		case 3: /* SYNC_IN */
4055 			val = hdspm_sync_in_sync_check(hdspm); break;
4056 		}
4057 		break;
4058 
4059 	case MADIface:
4060 		val = hdspm_madi_sync_check(hdspm); /* MADI */
4061 		break;
4062 
4063 	case AES32:
4064 		switch (kcontrol->private_value) {
4065 		case 0: /* WC */
4066 			val = hdspm_wc_sync_check(hdspm); break;
4067 		case 9: /* TCO */
4068 			val = hdspm_tco_sync_check(hdspm); break;
4069 		case 10 /* SYNC IN */:
4070 			val = hdspm_sync_in_sync_check(hdspm); break;
4071 		default: /* AES1 to AES8 */
4072 			 val = hdspm_aes_sync_check(hdspm,
4073 					 kcontrol->private_value-1);
4074 		}
4075 		break;
4076 
4077 	}
4078 
4079 	if (hdspm->tco) {
4080 		switch (kcontrol->private_value) {
4081 		case 11:
4082 			/* Check TCO for lock state of its current input */
4083 			val = hdspm_tco_input_check(hdspm, HDSPM_TCO1_TCO_lock);
4084 			break;
4085 		case 12:
4086 			/* Check TCO for valid time code on LTC input. */
4087 			val = hdspm_tco_input_check(hdspm,
4088 				HDSPM_TCO1_LTC_Input_valid);
4089 			break;
4090 		default:
4091 			break;
4092 		}
4093 	}
4094 
4095 	if (-1 == val)
4096 		val = 3;
4097 
4098 	ucontrol->value.enumerated.item[0] = val;
4099 	return 0;
4100 }
4101 
4102 
4103 
4104 /*
4105  * TCO controls
4106  */
4107 static void hdspm_tco_write(struct hdspm *hdspm)
4108 {
4109 	unsigned int tc[4] = { 0, 0, 0, 0};
4110 
4111 	switch (hdspm->tco->input) {
4112 	case 0:
4113 		tc[2] |= HDSPM_TCO2_set_input_MSB;
4114 		break;
4115 	case 1:
4116 		tc[2] |= HDSPM_TCO2_set_input_LSB;
4117 		break;
4118 	default:
4119 		break;
4120 	}
4121 
4122 	switch (hdspm->tco->framerate) {
4123 	case 1:
4124 		tc[1] |= HDSPM_TCO1_LTC_Format_LSB;
4125 		break;
4126 	case 2:
4127 		tc[1] |= HDSPM_TCO1_LTC_Format_MSB;
4128 		break;
4129 	case 3:
4130 		tc[1] |= HDSPM_TCO1_LTC_Format_MSB +
4131 			HDSPM_TCO1_set_drop_frame_flag;
4132 		break;
4133 	case 4:
4134 		tc[1] |= HDSPM_TCO1_LTC_Format_LSB +
4135 			HDSPM_TCO1_LTC_Format_MSB;
4136 		break;
4137 	case 5:
4138 		tc[1] |= HDSPM_TCO1_LTC_Format_LSB +
4139 			HDSPM_TCO1_LTC_Format_MSB +
4140 			HDSPM_TCO1_set_drop_frame_flag;
4141 		break;
4142 	default:
4143 		break;
4144 	}
4145 
4146 	switch (hdspm->tco->wordclock) {
4147 	case 1:
4148 		tc[2] |= HDSPM_TCO2_WCK_IO_ratio_LSB;
4149 		break;
4150 	case 2:
4151 		tc[2] |= HDSPM_TCO2_WCK_IO_ratio_MSB;
4152 		break;
4153 	default:
4154 		break;
4155 	}
4156 
4157 	switch (hdspm->tco->samplerate) {
4158 	case 1:
4159 		tc[2] |= HDSPM_TCO2_set_freq;
4160 		break;
4161 	case 2:
4162 		tc[2] |= HDSPM_TCO2_set_freq_from_app;
4163 		break;
4164 	default:
4165 		break;
4166 	}
4167 
4168 	switch (hdspm->tco->pull) {
4169 	case 1:
4170 		tc[2] |= HDSPM_TCO2_set_pull_up;
4171 		break;
4172 	case 2:
4173 		tc[2] |= HDSPM_TCO2_set_pull_down;
4174 		break;
4175 	case 3:
4176 		tc[2] |= HDSPM_TCO2_set_pull_up + HDSPM_TCO2_set_01_4;
4177 		break;
4178 	case 4:
4179 		tc[2] |= HDSPM_TCO2_set_pull_down + HDSPM_TCO2_set_01_4;
4180 		break;
4181 	default:
4182 		break;
4183 	}
4184 
4185 	if (1 == hdspm->tco->term) {
4186 		tc[2] |= HDSPM_TCO2_set_term_75R;
4187 	}
4188 
4189 	hdspm_write(hdspm, HDSPM_WR_TCO, tc[0]);
4190 	hdspm_write(hdspm, HDSPM_WR_TCO+4, tc[1]);
4191 	hdspm_write(hdspm, HDSPM_WR_TCO+8, tc[2]);
4192 	hdspm_write(hdspm, HDSPM_WR_TCO+12, tc[3]);
4193 }
4194 
4195 
4196 #define HDSPM_TCO_SAMPLE_RATE(xname, xindex) \
4197 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4198 	.name = xname, \
4199 	.index = xindex, \
4200 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4201 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4202 	.info = snd_hdspm_info_tco_sample_rate, \
4203 	.get = snd_hdspm_get_tco_sample_rate, \
4204 	.put = snd_hdspm_put_tco_sample_rate \
4205 }
4206 
4207 static int snd_hdspm_info_tco_sample_rate(struct snd_kcontrol *kcontrol,
4208 					  struct snd_ctl_elem_info *uinfo)
4209 {
4210 	/* TODO freq from app could be supported here, see tco->samplerate */
4211 	static const char *const texts[] = { "44.1 kHz", "48 kHz" };
4212 	ENUMERATED_CTL_INFO(uinfo, texts);
4213 	return 0;
4214 }
4215 
4216 static int snd_hdspm_get_tco_sample_rate(struct snd_kcontrol *kcontrol,
4217 				      struct snd_ctl_elem_value *ucontrol)
4218 {
4219 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4220 
4221 	ucontrol->value.enumerated.item[0] = hdspm->tco->samplerate;
4222 
4223 	return 0;
4224 }
4225 
4226 static int snd_hdspm_put_tco_sample_rate(struct snd_kcontrol *kcontrol,
4227 					 struct snd_ctl_elem_value *ucontrol)
4228 {
4229 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4230 
4231 	if (hdspm->tco->samplerate != ucontrol->value.enumerated.item[0]) {
4232 		hdspm->tco->samplerate = ucontrol->value.enumerated.item[0];
4233 
4234 		hdspm_tco_write(hdspm);
4235 
4236 		return 1;
4237 	}
4238 
4239 	return 0;
4240 }
4241 
4242 
4243 #define HDSPM_TCO_PULL(xname, xindex) \
4244 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4245 	.name = xname, \
4246 	.index = xindex, \
4247 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4248 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4249 	.info = snd_hdspm_info_tco_pull, \
4250 	.get = snd_hdspm_get_tco_pull, \
4251 	.put = snd_hdspm_put_tco_pull \
4252 }
4253 
4254 static int snd_hdspm_info_tco_pull(struct snd_kcontrol *kcontrol,
4255 				   struct snd_ctl_elem_info *uinfo)
4256 {
4257 	static const char *const texts[] = { "0", "+ 0.1 %", "- 0.1 %",
4258 		"+ 4 %", "- 4 %" };
4259 	ENUMERATED_CTL_INFO(uinfo, texts);
4260 	return 0;
4261 }
4262 
4263 static int snd_hdspm_get_tco_pull(struct snd_kcontrol *kcontrol,
4264 				  struct snd_ctl_elem_value *ucontrol)
4265 {
4266 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4267 
4268 	ucontrol->value.enumerated.item[0] = hdspm->tco->pull;
4269 
4270 	return 0;
4271 }
4272 
4273 static int snd_hdspm_put_tco_pull(struct snd_kcontrol *kcontrol,
4274 				  struct snd_ctl_elem_value *ucontrol)
4275 {
4276 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4277 
4278 	if (hdspm->tco->pull != ucontrol->value.enumerated.item[0]) {
4279 		hdspm->tco->pull = ucontrol->value.enumerated.item[0];
4280 
4281 		hdspm_tco_write(hdspm);
4282 
4283 		return 1;
4284 	}
4285 
4286 	return 0;
4287 }
4288 
4289 #define HDSPM_TCO_WCK_CONVERSION(xname, xindex) \
4290 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4291 	.name = xname, \
4292 	.index = xindex, \
4293 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4294 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4295 	.info = snd_hdspm_info_tco_wck_conversion, \
4296 	.get = snd_hdspm_get_tco_wck_conversion, \
4297 	.put = snd_hdspm_put_tco_wck_conversion \
4298 }
4299 
4300 static int snd_hdspm_info_tco_wck_conversion(struct snd_kcontrol *kcontrol,
4301 					     struct snd_ctl_elem_info *uinfo)
4302 {
4303 	static const char *const texts[] = { "1:1", "44.1 -> 48", "48 -> 44.1" };
4304 	ENUMERATED_CTL_INFO(uinfo, texts);
4305 	return 0;
4306 }
4307 
4308 static int snd_hdspm_get_tco_wck_conversion(struct snd_kcontrol *kcontrol,
4309 					    struct snd_ctl_elem_value *ucontrol)
4310 {
4311 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4312 
4313 	ucontrol->value.enumerated.item[0] = hdspm->tco->wordclock;
4314 
4315 	return 0;
4316 }
4317 
4318 static int snd_hdspm_put_tco_wck_conversion(struct snd_kcontrol *kcontrol,
4319 					    struct snd_ctl_elem_value *ucontrol)
4320 {
4321 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4322 
4323 	if (hdspm->tco->wordclock != ucontrol->value.enumerated.item[0]) {
4324 		hdspm->tco->wordclock = ucontrol->value.enumerated.item[0];
4325 
4326 		hdspm_tco_write(hdspm);
4327 
4328 		return 1;
4329 	}
4330 
4331 	return 0;
4332 }
4333 
4334 
4335 #define HDSPM_TCO_FRAME_RATE(xname, xindex) \
4336 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4337 	.name = xname, \
4338 	.index = xindex, \
4339 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4340 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4341 	.info = snd_hdspm_info_tco_frame_rate, \
4342 	.get = snd_hdspm_get_tco_frame_rate, \
4343 	.put = snd_hdspm_put_tco_frame_rate \
4344 }
4345 
4346 static int snd_hdspm_info_tco_frame_rate(struct snd_kcontrol *kcontrol,
4347 					  struct snd_ctl_elem_info *uinfo)
4348 {
4349 	static const char *const texts[] = { "24 fps", "25 fps", "29.97fps",
4350 		"29.97 dfps", "30 fps", "30 dfps" };
4351 	ENUMERATED_CTL_INFO(uinfo, texts);
4352 	return 0;
4353 }
4354 
4355 static int snd_hdspm_get_tco_frame_rate(struct snd_kcontrol *kcontrol,
4356 					struct snd_ctl_elem_value *ucontrol)
4357 {
4358 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4359 
4360 	ucontrol->value.enumerated.item[0] = hdspm->tco->framerate;
4361 
4362 	return 0;
4363 }
4364 
4365 static int snd_hdspm_put_tco_frame_rate(struct snd_kcontrol *kcontrol,
4366 					struct snd_ctl_elem_value *ucontrol)
4367 {
4368 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4369 
4370 	if (hdspm->tco->framerate != ucontrol->value.enumerated.item[0]) {
4371 		hdspm->tco->framerate = ucontrol->value.enumerated.item[0];
4372 
4373 		hdspm_tco_write(hdspm);
4374 
4375 		return 1;
4376 	}
4377 
4378 	return 0;
4379 }
4380 
4381 
4382 #define HDSPM_TCO_SYNC_SOURCE(xname, xindex) \
4383 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4384 	.name = xname, \
4385 	.index = xindex, \
4386 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4387 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4388 	.info = snd_hdspm_info_tco_sync_source, \
4389 	.get = snd_hdspm_get_tco_sync_source, \
4390 	.put = snd_hdspm_put_tco_sync_source \
4391 }
4392 
4393 static int snd_hdspm_info_tco_sync_source(struct snd_kcontrol *kcontrol,
4394 					  struct snd_ctl_elem_info *uinfo)
4395 {
4396 	static const char *const texts[] = { "LTC", "Video", "WCK" };
4397 	ENUMERATED_CTL_INFO(uinfo, texts);
4398 	return 0;
4399 }
4400 
4401 static int snd_hdspm_get_tco_sync_source(struct snd_kcontrol *kcontrol,
4402 					 struct snd_ctl_elem_value *ucontrol)
4403 {
4404 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4405 
4406 	ucontrol->value.enumerated.item[0] = hdspm->tco->input;
4407 
4408 	return 0;
4409 }
4410 
4411 static int snd_hdspm_put_tco_sync_source(struct snd_kcontrol *kcontrol,
4412 					 struct snd_ctl_elem_value *ucontrol)
4413 {
4414 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4415 
4416 	if (hdspm->tco->input != ucontrol->value.enumerated.item[0]) {
4417 		hdspm->tco->input = ucontrol->value.enumerated.item[0];
4418 
4419 		hdspm_tco_write(hdspm);
4420 
4421 		return 1;
4422 	}
4423 
4424 	return 0;
4425 }
4426 
4427 
4428 #define HDSPM_TCO_WORD_TERM(xname, xindex) \
4429 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4430 	.name = xname, \
4431 	.index = xindex, \
4432 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4433 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4434 	.info = snd_hdspm_info_tco_word_term, \
4435 	.get = snd_hdspm_get_tco_word_term, \
4436 	.put = snd_hdspm_put_tco_word_term \
4437 }
4438 
4439 static int snd_hdspm_info_tco_word_term(struct snd_kcontrol *kcontrol,
4440 					struct snd_ctl_elem_info *uinfo)
4441 {
4442 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
4443 	uinfo->count = 1;
4444 	uinfo->value.integer.min = 0;
4445 	uinfo->value.integer.max = 1;
4446 
4447 	return 0;
4448 }
4449 
4450 
4451 static int snd_hdspm_get_tco_word_term(struct snd_kcontrol *kcontrol,
4452 				       struct snd_ctl_elem_value *ucontrol)
4453 {
4454 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4455 
4456 	ucontrol->value.integer.value[0] = hdspm->tco->term;
4457 
4458 	return 0;
4459 }
4460 
4461 
4462 static int snd_hdspm_put_tco_word_term(struct snd_kcontrol *kcontrol,
4463 				       struct snd_ctl_elem_value *ucontrol)
4464 {
4465 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4466 
4467 	if (hdspm->tco->term != ucontrol->value.integer.value[0]) {
4468 		hdspm->tco->term = ucontrol->value.integer.value[0];
4469 
4470 		hdspm_tco_write(hdspm);
4471 
4472 		return 1;
4473 	}
4474 
4475 	return 0;
4476 }
4477 
4478 
4479 
4480 
4481 static const struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
4482 	HDSPM_MIXER("Mixer", 0),
4483 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4484 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4485 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
4486 	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
4487 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4488 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
4489 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
4490 	HDSPM_SYNC_CHECK("MADI SyncCheck", 1),
4491 	HDSPM_SYNC_CHECK("TCO SyncCheck", 2),
4492 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 3),
4493 	HDSPM_TOGGLE_SETTING("Line Out", HDSPM_LineOut),
4494 	HDSPM_TOGGLE_SETTING("TX 64 channels mode", HDSPM_TX_64ch),
4495 	HDSPM_TOGGLE_SETTING("Disable 96K frames", HDSPM_SMUX),
4496 	HDSPM_TOGGLE_SETTING("Clear Track Marker", HDSPM_clr_tms),
4497 	HDSPM_TOGGLE_SETTING("Safe Mode", HDSPM_AutoInp),
4498 	HDSPM_INPUT_SELECT("Input Select", 0),
4499 	HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
4500 };
4501 
4502 
4503 static const struct snd_kcontrol_new snd_hdspm_controls_madiface[] = {
4504 	HDSPM_MIXER("Mixer", 0),
4505 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4506 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4507 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4508 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
4509 	HDSPM_SYNC_CHECK("MADI SyncCheck", 0),
4510 	HDSPM_TOGGLE_SETTING("TX 64 channels mode", HDSPM_TX_64ch),
4511 	HDSPM_TOGGLE_SETTING("Clear Track Marker", HDSPM_clr_tms),
4512 	HDSPM_TOGGLE_SETTING("Safe Mode", HDSPM_AutoInp),
4513 	HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
4514 };
4515 
4516 static const struct snd_kcontrol_new snd_hdspm_controls_aio[] = {
4517 	HDSPM_MIXER("Mixer", 0),
4518 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4519 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4520 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
4521 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4522 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
4523 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
4524 	HDSPM_SYNC_CHECK("AES SyncCheck", 1),
4525 	HDSPM_SYNC_CHECK("SPDIF SyncCheck", 2),
4526 	HDSPM_SYNC_CHECK("ADAT SyncCheck", 3),
4527 	HDSPM_SYNC_CHECK("TCO SyncCheck", 4),
4528 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 5),
4529 	HDSPM_AUTOSYNC_SAMPLE_RATE("WC Frequency", 0),
4530 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES Frequency", 1),
4531 	HDSPM_AUTOSYNC_SAMPLE_RATE("SPDIF Frequency", 2),
4532 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT Frequency", 3),
4533 	HDSPM_AUTOSYNC_SAMPLE_RATE("TCO Frequency", 4),
4534 	HDSPM_AUTOSYNC_SAMPLE_RATE("SYNC IN Frequency", 5),
4535 	HDSPM_CONTROL_TRISTATE("S/PDIF Input", HDSPM_c0_Input0),
4536 	HDSPM_TOGGLE_SETTING("S/PDIF Out Optical", HDSPM_c0_Spdif_Opt),
4537 	HDSPM_TOGGLE_SETTING("S/PDIF Out Professional", HDSPM_c0_Pro),
4538 	HDSPM_TOGGLE_SETTING("ADAT internal (AEB/TEB)", HDSPM_c0_AEB1),
4539 	HDSPM_TOGGLE_SETTING("XLR Breakout Cable", HDSPM_c0_Sym6db),
4540 	HDSPM_TOGGLE_SETTING("Single Speed WordClock Out", HDSPM_c0_Wck48),
4541 	HDSPM_CONTROL_TRISTATE("Input Level", HDSPM_c0_AD_GAIN0),
4542 	HDSPM_CONTROL_TRISTATE("Output Level", HDSPM_c0_DA_GAIN0),
4543 	HDSPM_CONTROL_TRISTATE("Phones Level", HDSPM_c0_PH_GAIN0)
4544 
4545 		/*
4546 		   HDSPM_INPUT_SELECT("Input Select", 0),
4547 		   HDSPM_SPDIF_OPTICAL("SPDIF Out Optical", 0),
4548 		   HDSPM_PROFESSIONAL("SPDIF Out Professional", 0);
4549 		   HDSPM_SPDIF_IN("SPDIF In", 0);
4550 		   HDSPM_BREAKOUT_CABLE("Breakout Cable", 0);
4551 		   HDSPM_INPUT_LEVEL("Input Level", 0);
4552 		   HDSPM_OUTPUT_LEVEL("Output Level", 0);
4553 		   HDSPM_PHONES("Phones", 0);
4554 		   */
4555 };
4556 
4557 static const struct snd_kcontrol_new snd_hdspm_controls_raydat[] = {
4558 	HDSPM_MIXER("Mixer", 0),
4559 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4560 	HDSPM_SYSTEM_CLOCK_MODE("Clock Mode", 0),
4561 	HDSPM_PREF_SYNC_REF("Pref Sync Ref", 0),
4562 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4563 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
4564 	HDSPM_SYNC_CHECK("AES SyncCheck", 1),
4565 	HDSPM_SYNC_CHECK("SPDIF SyncCheck", 2),
4566 	HDSPM_SYNC_CHECK("ADAT1 SyncCheck", 3),
4567 	HDSPM_SYNC_CHECK("ADAT2 SyncCheck", 4),
4568 	HDSPM_SYNC_CHECK("ADAT3 SyncCheck", 5),
4569 	HDSPM_SYNC_CHECK("ADAT4 SyncCheck", 6),
4570 	HDSPM_SYNC_CHECK("TCO SyncCheck", 7),
4571 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 8),
4572 	HDSPM_AUTOSYNC_SAMPLE_RATE("WC Frequency", 0),
4573 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES Frequency", 1),
4574 	HDSPM_AUTOSYNC_SAMPLE_RATE("SPDIF Frequency", 2),
4575 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT1 Frequency", 3),
4576 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT2 Frequency", 4),
4577 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT3 Frequency", 5),
4578 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT4 Frequency", 6),
4579 	HDSPM_AUTOSYNC_SAMPLE_RATE("TCO Frequency", 7),
4580 	HDSPM_AUTOSYNC_SAMPLE_RATE("SYNC IN Frequency", 8),
4581 	HDSPM_TOGGLE_SETTING("S/PDIF Out Professional", HDSPM_c0_Pro),
4582 	HDSPM_TOGGLE_SETTING("Single Speed WordClock Out", HDSPM_c0_Wck48)
4583 };
4584 
4585 static const struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {
4586 	HDSPM_MIXER("Mixer", 0),
4587 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4588 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4589 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
4590 	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
4591 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4592 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 11),
4593 	HDSPM_SYNC_CHECK("WC Sync Check", 0),
4594 	HDSPM_SYNC_CHECK("AES1 Sync Check", 1),
4595 	HDSPM_SYNC_CHECK("AES2 Sync Check", 2),
4596 	HDSPM_SYNC_CHECK("AES3 Sync Check", 3),
4597 	HDSPM_SYNC_CHECK("AES4 Sync Check", 4),
4598 	HDSPM_SYNC_CHECK("AES5 Sync Check", 5),
4599 	HDSPM_SYNC_CHECK("AES6 Sync Check", 6),
4600 	HDSPM_SYNC_CHECK("AES7 Sync Check", 7),
4601 	HDSPM_SYNC_CHECK("AES8 Sync Check", 8),
4602 	HDSPM_SYNC_CHECK("TCO Sync Check", 9),
4603 	HDSPM_SYNC_CHECK("SYNC IN Sync Check", 10),
4604 	HDSPM_AUTOSYNC_SAMPLE_RATE("WC Frequency", 0),
4605 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES1 Frequency", 1),
4606 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES2 Frequency", 2),
4607 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES3 Frequency", 3),
4608 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES4 Frequency", 4),
4609 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES5 Frequency", 5),
4610 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES6 Frequency", 6),
4611 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES7 Frequency", 7),
4612 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES8 Frequency", 8),
4613 	HDSPM_AUTOSYNC_SAMPLE_RATE("TCO Frequency", 9),
4614 	HDSPM_AUTOSYNC_SAMPLE_RATE("SYNC IN Frequency", 10),
4615 	HDSPM_TOGGLE_SETTING("Line Out", HDSPM_LineOut),
4616 	HDSPM_TOGGLE_SETTING("Emphasis", HDSPM_Emphasis),
4617 	HDSPM_TOGGLE_SETTING("Non Audio", HDSPM_Dolby),
4618 	HDSPM_TOGGLE_SETTING("Professional", HDSPM_Professional),
4619 	HDSPM_TOGGLE_SETTING("Clear Track Marker", HDSPM_clr_tms),
4620 	HDSPM_DS_WIRE("Double Speed Wire Mode", 0),
4621 	HDSPM_QS_WIRE("Quad Speed Wire Mode", 0),
4622 };
4623 
4624 
4625 
4626 /* Control elements for the optional TCO module */
4627 static const struct snd_kcontrol_new snd_hdspm_controls_tco[] = {
4628 	HDSPM_TCO_SAMPLE_RATE("TCO Sample Rate", 0),
4629 	HDSPM_TCO_PULL("TCO Pull", 0),
4630 	HDSPM_TCO_WCK_CONVERSION("TCO WCK Conversion", 0),
4631 	HDSPM_TCO_FRAME_RATE("TCO Frame Rate", 0),
4632 	HDSPM_TCO_SYNC_SOURCE("TCO Sync Source", 0),
4633 	HDSPM_TCO_WORD_TERM("TCO Word Term", 0),
4634 	HDSPM_TCO_LOCK_CHECK("TCO Input Check", 11),
4635 	HDSPM_TCO_LOCK_CHECK("TCO LTC Valid", 12),
4636 	HDSPM_TCO_LTC_FRAMES("TCO Detected Frame Rate", 0),
4637 	HDSPM_TCO_VIDEO_INPUT_FORMAT("Video Input Format", 0)
4638 };
4639 
4640 
4641 static struct snd_kcontrol_new snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
4642 
4643 
4644 static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm)
4645 {
4646 	int i;
4647 
4648 	for (i = hdspm->ds_out_channels; i < hdspm->ss_out_channels; ++i) {
4649 		if (hdspm->system_sample_rate > 48000) {
4650 			hdspm->playback_mixer_ctls[i]->vd[0].access =
4651 				SNDRV_CTL_ELEM_ACCESS_INACTIVE |
4652 				SNDRV_CTL_ELEM_ACCESS_READ |
4653 				SNDRV_CTL_ELEM_ACCESS_VOLATILE;
4654 		} else {
4655 			hdspm->playback_mixer_ctls[i]->vd[0].access =
4656 				SNDRV_CTL_ELEM_ACCESS_READWRITE |
4657 				SNDRV_CTL_ELEM_ACCESS_VOLATILE;
4658 		}
4659 		snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
4660 				SNDRV_CTL_EVENT_MASK_INFO,
4661 				&hdspm->playback_mixer_ctls[i]->id);
4662 	}
4663 
4664 	return 0;
4665 }
4666 
4667 
4668 static int snd_hdspm_create_controls(struct snd_card *card,
4669 					struct hdspm *hdspm)
4670 {
4671 	unsigned int idx, limit;
4672 	int err;
4673 	struct snd_kcontrol *kctl;
4674 	const struct snd_kcontrol_new *list = NULL;
4675 
4676 	switch (hdspm->io_type) {
4677 	case MADI:
4678 		list = snd_hdspm_controls_madi;
4679 		limit = ARRAY_SIZE(snd_hdspm_controls_madi);
4680 		break;
4681 	case MADIface:
4682 		list = snd_hdspm_controls_madiface;
4683 		limit = ARRAY_SIZE(snd_hdspm_controls_madiface);
4684 		break;
4685 	case AIO:
4686 		list = snd_hdspm_controls_aio;
4687 		limit = ARRAY_SIZE(snd_hdspm_controls_aio);
4688 		break;
4689 	case RayDAT:
4690 		list = snd_hdspm_controls_raydat;
4691 		limit = ARRAY_SIZE(snd_hdspm_controls_raydat);
4692 		break;
4693 	case AES32:
4694 		list = snd_hdspm_controls_aes32;
4695 		limit = ARRAY_SIZE(snd_hdspm_controls_aes32);
4696 		break;
4697 	}
4698 
4699 	if (list) {
4700 		for (idx = 0; idx < limit; idx++) {
4701 			err = snd_ctl_add(card,
4702 					snd_ctl_new1(&list[idx], hdspm));
4703 			if (err < 0)
4704 				return err;
4705 		}
4706 	}
4707 
4708 
4709 	/* create simple 1:1 playback mixer controls */
4710 	snd_hdspm_playback_mixer.name = "Chn";
4711 	if (hdspm->system_sample_rate >= 128000) {
4712 		limit = hdspm->qs_out_channels;
4713 	} else if (hdspm->system_sample_rate >= 64000) {
4714 		limit = hdspm->ds_out_channels;
4715 	} else {
4716 		limit = hdspm->ss_out_channels;
4717 	}
4718 	for (idx = 0; idx < limit; ++idx) {
4719 		snd_hdspm_playback_mixer.index = idx + 1;
4720 		kctl = snd_ctl_new1(&snd_hdspm_playback_mixer, hdspm);
4721 		err = snd_ctl_add(card, kctl);
4722 		if (err < 0)
4723 			return err;
4724 		hdspm->playback_mixer_ctls[idx] = kctl;
4725 	}
4726 
4727 
4728 	if (hdspm->tco) {
4729 		/* add tco control elements */
4730 		list = snd_hdspm_controls_tco;
4731 		limit = ARRAY_SIZE(snd_hdspm_controls_tco);
4732 		for (idx = 0; idx < limit; idx++) {
4733 			err = snd_ctl_add(card,
4734 					snd_ctl_new1(&list[idx], hdspm));
4735 			if (err < 0)
4736 				return err;
4737 		}
4738 	}
4739 
4740 	return 0;
4741 }
4742 
4743 /*------------------------------------------------------------
4744    /proc interface
4745  ------------------------------------------------------------*/
4746 
4747 static void
4748 snd_hdspm_proc_read_tco(struct snd_info_entry *entry,
4749 					struct snd_info_buffer *buffer)
4750 {
4751 	struct hdspm *hdspm = entry->private_data;
4752 	unsigned int status, control;
4753 	int a, ltc, frames, seconds, minutes, hours;
4754 	unsigned int period;
4755 	u64 freq_const = 0;
4756 	u32 rate;
4757 
4758 	snd_iprintf(buffer, "--- TCO ---\n");
4759 
4760 	status = hdspm_read(hdspm, HDSPM_statusRegister);
4761 	control = hdspm->control_register;
4762 
4763 
4764 	if (status & HDSPM_tco_detect) {
4765 		snd_iprintf(buffer, "TCO module detected.\n");
4766 		a = hdspm_read(hdspm, HDSPM_RD_TCO+4);
4767 		if (a & HDSPM_TCO1_LTC_Input_valid) {
4768 			snd_iprintf(buffer, "  LTC valid, ");
4769 			switch (a & (HDSPM_TCO1_LTC_Format_LSB |
4770 						HDSPM_TCO1_LTC_Format_MSB)) {
4771 			case 0:
4772 				snd_iprintf(buffer, "24 fps, ");
4773 				break;
4774 			case HDSPM_TCO1_LTC_Format_LSB:
4775 				snd_iprintf(buffer, "25 fps, ");
4776 				break;
4777 			case HDSPM_TCO1_LTC_Format_MSB:
4778 				snd_iprintf(buffer, "29.97 fps, ");
4779 				break;
4780 			default:
4781 				snd_iprintf(buffer, "30 fps, ");
4782 				break;
4783 			}
4784 			if (a & HDSPM_TCO1_set_drop_frame_flag) {
4785 				snd_iprintf(buffer, "drop frame\n");
4786 			} else {
4787 				snd_iprintf(buffer, "full frame\n");
4788 			}
4789 		} else {
4790 			snd_iprintf(buffer, "  no LTC\n");
4791 		}
4792 		if (a & HDSPM_TCO1_Video_Input_Format_NTSC) {
4793 			snd_iprintf(buffer, "  Video: NTSC\n");
4794 		} else if (a & HDSPM_TCO1_Video_Input_Format_PAL) {
4795 			snd_iprintf(buffer, "  Video: PAL\n");
4796 		} else {
4797 			snd_iprintf(buffer, "  No video\n");
4798 		}
4799 		if (a & HDSPM_TCO1_TCO_lock) {
4800 			snd_iprintf(buffer, "  Sync: lock\n");
4801 		} else {
4802 			snd_iprintf(buffer, "  Sync: no lock\n");
4803 		}
4804 
4805 		switch (hdspm->io_type) {
4806 		case MADI:
4807 		case AES32:
4808 			freq_const = 110069313433624ULL;
4809 			break;
4810 		case RayDAT:
4811 		case AIO:
4812 			freq_const = 104857600000000ULL;
4813 			break;
4814 		case MADIface:
4815 			break; /* no TCO possible */
4816 		}
4817 
4818 		period = hdspm_read(hdspm, HDSPM_RD_PLL_FREQ);
4819 		snd_iprintf(buffer, "    period: %u\n", period);
4820 
4821 
4822 		/* rate = freq_const/period; */
4823 		rate = div_u64(freq_const, period);
4824 
4825 		if (control & HDSPM_QuadSpeed) {
4826 			rate *= 4;
4827 		} else if (control & HDSPM_DoubleSpeed) {
4828 			rate *= 2;
4829 		}
4830 
4831 		snd_iprintf(buffer, "  Frequency: %u Hz\n",
4832 				(unsigned int) rate);
4833 
4834 		ltc = hdspm_read(hdspm, HDSPM_RD_TCO);
4835 		frames = ltc & 0xF;
4836 		ltc >>= 4;
4837 		frames += (ltc & 0x3) * 10;
4838 		ltc >>= 4;
4839 		seconds = ltc & 0xF;
4840 		ltc >>= 4;
4841 		seconds += (ltc & 0x7) * 10;
4842 		ltc >>= 4;
4843 		minutes = ltc & 0xF;
4844 		ltc >>= 4;
4845 		minutes += (ltc & 0x7) * 10;
4846 		ltc >>= 4;
4847 		hours = ltc & 0xF;
4848 		ltc >>= 4;
4849 		hours += (ltc & 0x3) * 10;
4850 		snd_iprintf(buffer,
4851 			"  LTC In: %02d:%02d:%02d:%02d\n",
4852 			hours, minutes, seconds, frames);
4853 
4854 	} else {
4855 		snd_iprintf(buffer, "No TCO module detected.\n");
4856 	}
4857 }
4858 
4859 static void
4860 snd_hdspm_proc_read_madi(struct snd_info_entry *entry,
4861 			 struct snd_info_buffer *buffer)
4862 {
4863 	struct hdspm *hdspm = entry->private_data;
4864 	unsigned int status, status2;
4865 
4866 	char *pref_sync_ref;
4867 	char *autosync_ref;
4868 	char *system_clock_mode;
4869 	int x, x2;
4870 
4871 	status = hdspm_read(hdspm, HDSPM_statusRegister);
4872 	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
4873 
4874 	snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
4875 			hdspm->card_name, hdspm->card->number + 1,
4876 			hdspm->firmware_rev,
4877 			(status2 & HDSPM_version0) |
4878 			(status2 & HDSPM_version1) | (status2 &
4879 				HDSPM_version2));
4880 
4881 	snd_iprintf(buffer, "HW Serial: 0x%06x%06x\n",
4882 			(hdspm_read(hdspm, HDSPM_midiStatusIn1)>>8) & 0xFFFFFF,
4883 			hdspm->serial);
4884 
4885 	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
4886 			hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
4887 
4888 	snd_iprintf(buffer, "--- System ---\n");
4889 
4890 	snd_iprintf(buffer,
4891 		"IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
4892 		status & HDSPM_audioIRQPending,
4893 		(status & HDSPM_midi0IRQPending) ? 1 : 0,
4894 		(status & HDSPM_midi1IRQPending) ? 1 : 0,
4895 		hdspm->irq_count);
4896 	snd_iprintf(buffer,
4897 		"HW pointer: id = %d, rawptr = %d (%d->%d) "
4898 		"estimated= %ld (bytes)\n",
4899 		((status & HDSPM_BufferID) ? 1 : 0),
4900 		(status & HDSPM_BufferPositionMask),
4901 		(status & HDSPM_BufferPositionMask) %
4902 		(2 * (int)hdspm->period_bytes),
4903 		((status & HDSPM_BufferPositionMask) - 64) %
4904 		(2 * (int)hdspm->period_bytes),
4905 		(long) hdspm_hw_pointer(hdspm) * 4);
4906 
4907 	snd_iprintf(buffer,
4908 		"MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
4909 		hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
4910 		hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
4911 		hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
4912 		hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
4913 	snd_iprintf(buffer,
4914 		"MIDIoverMADI FIFO: In=0x%x, Out=0x%x \n",
4915 		hdspm_read(hdspm, HDSPM_midiStatusIn2) & 0xFF,
4916 		hdspm_read(hdspm, HDSPM_midiStatusOut2) & 0xFF);
4917 	snd_iprintf(buffer,
4918 		"Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
4919 		"status2=0x%x\n",
4920 		hdspm->control_register, hdspm->control2_register,
4921 		status, status2);
4922 
4923 
4924 	snd_iprintf(buffer, "--- Settings ---\n");
4925 
4926 	x = hdspm_get_latency(hdspm);
4927 
4928 	snd_iprintf(buffer,
4929 		"Size (Latency): %d samples (2 periods of %lu bytes)\n",
4930 		x, (unsigned long) hdspm->period_bytes);
4931 
4932 	snd_iprintf(buffer, "Line out: %s\n",
4933 		(hdspm->control_register & HDSPM_LineOut) ? "on " : "off");
4934 
4935 	snd_iprintf(buffer,
4936 		"ClearTrackMarker = %s, Transmit in %s Channel Mode, "
4937 		"Auto Input %s\n",
4938 		(hdspm->control_register & HDSPM_clr_tms) ? "on" : "off",
4939 		(hdspm->control_register & HDSPM_TX_64ch) ? "64" : "56",
4940 		(hdspm->control_register & HDSPM_AutoInp) ? "on" : "off");
4941 
4942 
4943 	if (!(hdspm->control_register & HDSPM_ClockModeMaster))
4944 		system_clock_mode = "AutoSync";
4945 	else
4946 		system_clock_mode = "Master";
4947 	snd_iprintf(buffer, "AutoSync Reference: %s\n", system_clock_mode);
4948 
4949 	switch (hdspm_pref_sync_ref(hdspm)) {
4950 	case HDSPM_SYNC_FROM_WORD:
4951 		pref_sync_ref = "Word Clock";
4952 		break;
4953 	case HDSPM_SYNC_FROM_MADI:
4954 		pref_sync_ref = "MADI Sync";
4955 		break;
4956 	case HDSPM_SYNC_FROM_TCO:
4957 		pref_sync_ref = "TCO";
4958 		break;
4959 	case HDSPM_SYNC_FROM_SYNC_IN:
4960 		pref_sync_ref = "Sync In";
4961 		break;
4962 	default:
4963 		pref_sync_ref = "XXXX Clock";
4964 		break;
4965 	}
4966 	snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
4967 			pref_sync_ref);
4968 
4969 	snd_iprintf(buffer, "System Clock Frequency: %d\n",
4970 			hdspm->system_sample_rate);
4971 
4972 
4973 	snd_iprintf(buffer, "--- Status:\n");
4974 
4975 	x = status & HDSPM_madiSync;
4976 	x2 = status2 & HDSPM_wcSync;
4977 
4978 	snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
4979 			(status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
4980 			"NoLock",
4981 			(status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
4982 			"NoLock");
4983 
4984 	switch (hdspm_autosync_ref(hdspm)) {
4985 	case HDSPM_AUTOSYNC_FROM_SYNC_IN:
4986 		autosync_ref = "Sync In";
4987 		break;
4988 	case HDSPM_AUTOSYNC_FROM_TCO:
4989 		autosync_ref = "TCO";
4990 		break;
4991 	case HDSPM_AUTOSYNC_FROM_WORD:
4992 		autosync_ref = "Word Clock";
4993 		break;
4994 	case HDSPM_AUTOSYNC_FROM_MADI:
4995 		autosync_ref = "MADI Sync";
4996 		break;
4997 	case HDSPM_AUTOSYNC_FROM_NONE:
4998 		autosync_ref = "Input not valid";
4999 		break;
5000 	default:
5001 		autosync_ref = "---";
5002 		break;
5003 	}
5004 	snd_iprintf(buffer,
5005 		"AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
5006 		autosync_ref, hdspm_external_sample_rate(hdspm),
5007 		(status & HDSPM_madiFreqMask) >> 22,
5008 		(status2 & HDSPM_wcFreqMask) >> 5);
5009 
5010 	snd_iprintf(buffer, "Input: %s, Mode=%s\n",
5011 		(status & HDSPM_AB_int) ? "Coax" : "Optical",
5012 		(status & HDSPM_RX_64ch) ? "64 channels" :
5013 		"56 channels");
5014 
5015 	/* call readout function for TCO specific status */
5016 	snd_hdspm_proc_read_tco(entry, buffer);
5017 
5018 	snd_iprintf(buffer, "\n");
5019 }
5020 
5021 static void
5022 snd_hdspm_proc_read_aes32(struct snd_info_entry * entry,
5023 			  struct snd_info_buffer *buffer)
5024 {
5025 	struct hdspm *hdspm = entry->private_data;
5026 	unsigned int status;
5027 	unsigned int status2;
5028 	unsigned int timecode;
5029 	unsigned int wcLock, wcSync;
5030 	int pref_syncref;
5031 	char *autosync_ref;
5032 	int x;
5033 
5034 	status = hdspm_read(hdspm, HDSPM_statusRegister);
5035 	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
5036 	timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
5037 
5038 	snd_iprintf(buffer, "%s (Card #%d) Rev.%x\n",
5039 		    hdspm->card_name, hdspm->card->number + 1,
5040 		    hdspm->firmware_rev);
5041 
5042 	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
5043 		    hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
5044 
5045 	snd_iprintf(buffer, "--- System ---\n");
5046 
5047 	snd_iprintf(buffer,
5048 		    "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
5049 		    status & HDSPM_audioIRQPending,
5050 		    (status & HDSPM_midi0IRQPending) ? 1 : 0,
5051 		    (status & HDSPM_midi1IRQPending) ? 1 : 0,
5052 		    hdspm->irq_count);
5053 	snd_iprintf(buffer,
5054 		    "HW pointer: id = %d, rawptr = %d (%d->%d) "
5055 		    "estimated= %ld (bytes)\n",
5056 		    ((status & HDSPM_BufferID) ? 1 : 0),
5057 		    (status & HDSPM_BufferPositionMask),
5058 		    (status & HDSPM_BufferPositionMask) %
5059 		    (2 * (int)hdspm->period_bytes),
5060 		    ((status & HDSPM_BufferPositionMask) - 64) %
5061 		    (2 * (int)hdspm->period_bytes),
5062 		    (long) hdspm_hw_pointer(hdspm) * 4);
5063 
5064 	snd_iprintf(buffer,
5065 		    "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
5066 		    hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
5067 		    hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
5068 		    hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
5069 		    hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
5070 	snd_iprintf(buffer,
5071 		    "MIDIoverMADI FIFO: In=0x%x, Out=0x%x \n",
5072 		    hdspm_read(hdspm, HDSPM_midiStatusIn2) & 0xFF,
5073 		    hdspm_read(hdspm, HDSPM_midiStatusOut2) & 0xFF);
5074 	snd_iprintf(buffer,
5075 		    "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
5076 		    "status2=0x%x\n",
5077 		    hdspm->control_register, hdspm->control2_register,
5078 		    status, status2);
5079 
5080 	snd_iprintf(buffer, "--- Settings ---\n");
5081 
5082 	x = hdspm_get_latency(hdspm);
5083 
5084 	snd_iprintf(buffer,
5085 		    "Size (Latency): %d samples (2 periods of %lu bytes)\n",
5086 		    x, (unsigned long) hdspm->period_bytes);
5087 
5088 	snd_iprintf(buffer, "Line out: %s\n",
5089 		    (hdspm->
5090 		     control_register & HDSPM_LineOut) ? "on " : "off");
5091 
5092 	snd_iprintf(buffer,
5093 		    "ClearTrackMarker %s, Emphasis %s, Dolby %s\n",
5094 		    (hdspm->
5095 		     control_register & HDSPM_clr_tms) ? "on" : "off",
5096 		    (hdspm->
5097 		     control_register & HDSPM_Emphasis) ? "on" : "off",
5098 		    (hdspm->
5099 		     control_register & HDSPM_Dolby) ? "on" : "off");
5100 
5101 
5102 	pref_syncref = hdspm_pref_sync_ref(hdspm);
5103 	if (pref_syncref == 0)
5104 		snd_iprintf(buffer, "Preferred Sync Reference: Word Clock\n");
5105 	else
5106 		snd_iprintf(buffer, "Preferred Sync Reference: AES%d\n",
5107 				pref_syncref);
5108 
5109 	snd_iprintf(buffer, "System Clock Frequency: %d\n",
5110 		    hdspm->system_sample_rate);
5111 
5112 	snd_iprintf(buffer, "Double speed: %s\n",
5113 			hdspm->control_register & HDSPM_DS_DoubleWire?
5114 			"Double wire" : "Single wire");
5115 	snd_iprintf(buffer, "Quad speed: %s\n",
5116 			hdspm->control_register & HDSPM_QS_DoubleWire?
5117 			"Double wire" :
5118 			hdspm->control_register & HDSPM_QS_QuadWire?
5119 			"Quad wire" : "Single wire");
5120 
5121 	snd_iprintf(buffer, "--- Status:\n");
5122 
5123 	wcLock = status & HDSPM_AES32_wcLock;
5124 	wcSync = wcLock && (status & HDSPM_AES32_wcSync);
5125 
5126 	snd_iprintf(buffer, "Word: %s  Frequency: %d\n",
5127 		    (wcLock) ? (wcSync ? "Sync   " : "Lock   ") : "No Lock",
5128 		    HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));
5129 
5130 	for (x = 0; x < 8; x++) {
5131 		snd_iprintf(buffer, "AES%d: %s  Frequency: %d\n",
5132 			    x+1,
5133 			    (status2 & (HDSPM_LockAES >> x)) ?
5134 			    "Sync   " : "No Lock",
5135 			    HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
5136 	}
5137 
5138 	switch (hdspm_autosync_ref(hdspm)) {
5139 	case HDSPM_AES32_AUTOSYNC_FROM_NONE:
5140 		autosync_ref = "None"; break;
5141 	case HDSPM_AES32_AUTOSYNC_FROM_WORD:
5142 		autosync_ref = "Word Clock"; break;
5143 	case HDSPM_AES32_AUTOSYNC_FROM_AES1:
5144 		autosync_ref = "AES1"; break;
5145 	case HDSPM_AES32_AUTOSYNC_FROM_AES2:
5146 		autosync_ref = "AES2"; break;
5147 	case HDSPM_AES32_AUTOSYNC_FROM_AES3:
5148 		autosync_ref = "AES3"; break;
5149 	case HDSPM_AES32_AUTOSYNC_FROM_AES4:
5150 		autosync_ref = "AES4"; break;
5151 	case HDSPM_AES32_AUTOSYNC_FROM_AES5:
5152 		autosync_ref = "AES5"; break;
5153 	case HDSPM_AES32_AUTOSYNC_FROM_AES6:
5154 		autosync_ref = "AES6"; break;
5155 	case HDSPM_AES32_AUTOSYNC_FROM_AES7:
5156 		autosync_ref = "AES7"; break;
5157 	case HDSPM_AES32_AUTOSYNC_FROM_AES8:
5158 		autosync_ref = "AES8"; break;
5159 	case HDSPM_AES32_AUTOSYNC_FROM_TCO:
5160 		autosync_ref = "TCO"; break;
5161 	case HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN:
5162 		autosync_ref = "Sync In"; break;
5163 	default:
5164 		autosync_ref = "---"; break;
5165 	}
5166 	snd_iprintf(buffer, "AutoSync ref = %s\n", autosync_ref);
5167 
5168 	/* call readout function for TCO specific status */
5169 	snd_hdspm_proc_read_tco(entry, buffer);
5170 
5171 	snd_iprintf(buffer, "\n");
5172 }
5173 
5174 static void
5175 snd_hdspm_proc_read_raydat(struct snd_info_entry *entry,
5176 			 struct snd_info_buffer *buffer)
5177 {
5178 	struct hdspm *hdspm = entry->private_data;
5179 	unsigned int status1, status2, status3, i;
5180 	unsigned int lock, sync;
5181 
5182 	status1 = hdspm_read(hdspm, HDSPM_RD_STATUS_1); /* s1 */
5183 	status2 = hdspm_read(hdspm, HDSPM_RD_STATUS_2); /* freq */
5184 	status3 = hdspm_read(hdspm, HDSPM_RD_STATUS_3); /* s2 */
5185 
5186 	snd_iprintf(buffer, "STATUS1: 0x%08x\n", status1);
5187 	snd_iprintf(buffer, "STATUS2: 0x%08x\n", status2);
5188 	snd_iprintf(buffer, "STATUS3: 0x%08x\n", status3);
5189 
5190 
5191 	snd_iprintf(buffer, "\n*** CLOCK MODE\n\n");
5192 
5193 	snd_iprintf(buffer, "Clock mode      : %s\n",
5194 		(hdspm_system_clock_mode(hdspm) == 0) ? "master" : "slave");
5195 	snd_iprintf(buffer, "System frequency: %d Hz\n",
5196 		hdspm_get_system_sample_rate(hdspm));
5197 
5198 	snd_iprintf(buffer, "\n*** INPUT STATUS\n\n");
5199 
5200 	lock = 0x1;
5201 	sync = 0x100;
5202 
5203 	for (i = 0; i < 8; i++) {
5204 		snd_iprintf(buffer, "s1_input %d: Lock %d, Sync %d, Freq %s\n",
5205 				i,
5206 				(status1 & lock) ? 1 : 0,
5207 				(status1 & sync) ? 1 : 0,
5208 				texts_freq[(status2 >> (i * 4)) & 0xF]);
5209 
5210 		lock = lock<<1;
5211 		sync = sync<<1;
5212 	}
5213 
5214 	snd_iprintf(buffer, "WC input: Lock %d, Sync %d, Freq %s\n",
5215 			(status1 & 0x1000000) ? 1 : 0,
5216 			(status1 & 0x2000000) ? 1 : 0,
5217 			texts_freq[(status1 >> 16) & 0xF]);
5218 
5219 	snd_iprintf(buffer, "TCO input: Lock %d, Sync %d, Freq %s\n",
5220 			(status1 & 0x4000000) ? 1 : 0,
5221 			(status1 & 0x8000000) ? 1 : 0,
5222 			texts_freq[(status1 >> 20) & 0xF]);
5223 
5224 	snd_iprintf(buffer, "SYNC IN: Lock %d, Sync %d, Freq %s\n",
5225 			(status3 & 0x400) ? 1 : 0,
5226 			(status3 & 0x800) ? 1 : 0,
5227 			texts_freq[(status2 >> 12) & 0xF]);
5228 
5229 }
5230 
5231 #ifdef CONFIG_SND_DEBUG
5232 static void
5233 snd_hdspm_proc_read_debug(struct snd_info_entry *entry,
5234 			  struct snd_info_buffer *buffer)
5235 {
5236 	struct hdspm *hdspm = entry->private_data;
5237 
5238 	int j,i;
5239 
5240 	for (i = 0; i < 256 /* 1024*64 */; i += j) {
5241 		snd_iprintf(buffer, "0x%08X: ", i);
5242 		for (j = 0; j < 16; j += 4)
5243 			snd_iprintf(buffer, "%08X ", hdspm_read(hdspm, i + j));
5244 		snd_iprintf(buffer, "\n");
5245 	}
5246 }
5247 #endif
5248 
5249 
5250 static void snd_hdspm_proc_ports_in(struct snd_info_entry *entry,
5251 			  struct snd_info_buffer *buffer)
5252 {
5253 	struct hdspm *hdspm = entry->private_data;
5254 	int i;
5255 
5256 	snd_iprintf(buffer, "# generated by hdspm\n");
5257 
5258 	for (i = 0; i < hdspm->max_channels_in; i++) {
5259 		snd_iprintf(buffer, "%d=%s\n", i+1, hdspm->port_names_in[i]);
5260 	}
5261 }
5262 
5263 static void snd_hdspm_proc_ports_out(struct snd_info_entry *entry,
5264 			  struct snd_info_buffer *buffer)
5265 {
5266 	struct hdspm *hdspm = entry->private_data;
5267 	int i;
5268 
5269 	snd_iprintf(buffer, "# generated by hdspm\n");
5270 
5271 	for (i = 0; i < hdspm->max_channels_out; i++) {
5272 		snd_iprintf(buffer, "%d=%s\n", i+1, hdspm->port_names_out[i]);
5273 	}
5274 }
5275 
5276 
5277 static void snd_hdspm_proc_init(struct hdspm *hdspm)
5278 {
5279 	void (*read)(struct snd_info_entry *, struct snd_info_buffer *) = NULL;
5280 
5281 	switch (hdspm->io_type) {
5282 	case AES32:
5283 		read = snd_hdspm_proc_read_aes32;
5284 		break;
5285 	case MADI:
5286 		read = snd_hdspm_proc_read_madi;
5287 		break;
5288 	case MADIface:
5289 		/* read = snd_hdspm_proc_read_madiface; */
5290 		break;
5291 	case RayDAT:
5292 		read = snd_hdspm_proc_read_raydat;
5293 		break;
5294 	case AIO:
5295 		break;
5296 	}
5297 
5298 	snd_card_ro_proc_new(hdspm->card, "hdspm", hdspm, read);
5299 	snd_card_ro_proc_new(hdspm->card, "ports.in", hdspm,
5300 			     snd_hdspm_proc_ports_in);
5301 	snd_card_ro_proc_new(hdspm->card, "ports.out", hdspm,
5302 			     snd_hdspm_proc_ports_out);
5303 
5304 #ifdef CONFIG_SND_DEBUG
5305 	/* debug file to read all hdspm registers */
5306 	snd_card_ro_proc_new(hdspm->card, "debug", hdspm,
5307 			     snd_hdspm_proc_read_debug);
5308 #endif
5309 }
5310 
5311 /*------------------------------------------------------------
5312    hdspm intitialize
5313  ------------------------------------------------------------*/
5314 
5315 static int snd_hdspm_set_defaults(struct hdspm * hdspm)
5316 {
5317 	/* ASSUMPTION: hdspm->lock is either held, or there is no need to
5318 	   hold it (e.g. during module initialization).
5319 	   */
5320 
5321 	/* set defaults:       */
5322 
5323 	hdspm->settings_register = 0;
5324 
5325 	switch (hdspm->io_type) {
5326 	case MADI:
5327 	case MADIface:
5328 		hdspm->control_register =
5329 			0x2 + 0x8 + 0x10 + 0x80 + 0x400 + 0x4000 + 0x1000000;
5330 		break;
5331 
5332 	case RayDAT:
5333 	case AIO:
5334 		hdspm->settings_register = 0x1 + 0x1000;
5335 		/* Magic values are: LAT_0, LAT_2, Master, freq1, tx64ch, inp_0,
5336 		 * line_out */
5337 		hdspm->control_register =
5338 			0x2 + 0x8 + 0x10 + 0x80 + 0x400 + 0x4000 + 0x1000000;
5339 		break;
5340 
5341 	case AES32:
5342 		hdspm->control_register =
5343 			HDSPM_ClockModeMaster |	/* Master Clock Mode on */
5344 			hdspm_encode_latency(7) | /* latency max=8192samples */
5345 			HDSPM_SyncRef0 |	/* AES1 is syncclock */
5346 			HDSPM_LineOut |	/* Analog output in */
5347 			HDSPM_Professional;  /* Professional mode */
5348 		break;
5349 	}
5350 
5351 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
5352 
5353 	if (AES32 == hdspm->io_type) {
5354 		/* No control2 register for AES32 */
5355 #ifdef SNDRV_BIG_ENDIAN
5356 		hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
5357 #else
5358 		hdspm->control2_register = 0;
5359 #endif
5360 
5361 		hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
5362 	}
5363 	hdspm_compute_period_size(hdspm);
5364 
5365 	/* silence everything */
5366 
5367 	all_in_all_mixer(hdspm, 0 * UNITY_GAIN);
5368 
5369 	if (hdspm_is_raydat_or_aio(hdspm))
5370 		hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
5371 
5372 	/* set a default rate so that the channel map is set up. */
5373 	hdspm_set_rate(hdspm, 48000, 1);
5374 
5375 	return 0;
5376 }
5377 
5378 
5379 /*------------------------------------------------------------
5380    interrupt
5381  ------------------------------------------------------------*/
5382 
5383 static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id)
5384 {
5385 	struct hdspm *hdspm = (struct hdspm *) dev_id;
5386 	unsigned int status;
5387 	int i, audio, midi, schedule = 0;
5388 	/* cycles_t now; */
5389 
5390 	status = hdspm_read(hdspm, HDSPM_statusRegister);
5391 
5392 	audio = status & HDSPM_audioIRQPending;
5393 	midi = status & (HDSPM_midi0IRQPending | HDSPM_midi1IRQPending |
5394 			HDSPM_midi2IRQPending | HDSPM_midi3IRQPending);
5395 
5396 	/* now = get_cycles(); */
5397 	/*
5398 	 *   LAT_2..LAT_0 period  counter (win)  counter (mac)
5399 	 *          6       4096   ~256053425     ~514672358
5400 	 *          5       2048   ~128024983     ~257373821
5401 	 *          4       1024    ~64023706     ~128718089
5402 	 *          3        512    ~32005945      ~64385999
5403 	 *          2        256    ~16003039      ~32260176
5404 	 *          1        128     ~7998738      ~16194507
5405 	 *          0         64     ~3998231       ~8191558
5406 	 */
5407 	/*
5408 	  dev_info(hdspm->card->dev, "snd_hdspm_interrupt %llu @ %llx\n",
5409 	   now-hdspm->last_interrupt, status & 0xFFC0);
5410 	   hdspm->last_interrupt = now;
5411 	*/
5412 
5413 	if (!audio && !midi)
5414 		return IRQ_NONE;
5415 
5416 	hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
5417 	hdspm->irq_count++;
5418 
5419 
5420 	if (audio) {
5421 		if (hdspm->capture_substream)
5422 			snd_pcm_period_elapsed(hdspm->capture_substream);
5423 
5424 		if (hdspm->playback_substream)
5425 			snd_pcm_period_elapsed(hdspm->playback_substream);
5426 	}
5427 
5428 	if (midi) {
5429 		i = 0;
5430 		while (i < hdspm->midiPorts) {
5431 			if ((hdspm_read(hdspm,
5432 				hdspm->midi[i].statusIn) & 0xff) &&
5433 					(status & hdspm->midi[i].irq)) {
5434 				/* we disable interrupts for this input until
5435 				 * processing is done
5436 				 */
5437 				hdspm->control_register &= ~hdspm->midi[i].ie;
5438 				hdspm_write(hdspm, HDSPM_controlRegister,
5439 						hdspm->control_register);
5440 				hdspm->midi[i].pending = 1;
5441 				schedule = 1;
5442 			}
5443 
5444 			i++;
5445 		}
5446 
5447 		if (schedule)
5448 			tasklet_hi_schedule(&hdspm->midi_tasklet);
5449 	}
5450 
5451 	return IRQ_HANDLED;
5452 }
5453 
5454 /*------------------------------------------------------------
5455    pcm interface
5456   ------------------------------------------------------------*/
5457 
5458 
5459 static snd_pcm_uframes_t snd_hdspm_hw_pointer(struct snd_pcm_substream
5460 					      *substream)
5461 {
5462 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5463 	return hdspm_hw_pointer(hdspm);
5464 }
5465 
5466 
5467 static int snd_hdspm_reset(struct snd_pcm_substream *substream)
5468 {
5469 	struct snd_pcm_runtime *runtime = substream->runtime;
5470 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5471 	struct snd_pcm_substream *other;
5472 
5473 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
5474 		other = hdspm->capture_substream;
5475 	else
5476 		other = hdspm->playback_substream;
5477 
5478 	if (hdspm->running)
5479 		runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
5480 	else
5481 		runtime->status->hw_ptr = 0;
5482 	if (other) {
5483 		struct snd_pcm_substream *s;
5484 		struct snd_pcm_runtime *oruntime = other->runtime;
5485 		snd_pcm_group_for_each_entry(s, substream) {
5486 			if (s == other) {
5487 				oruntime->status->hw_ptr =
5488 					runtime->status->hw_ptr;
5489 				break;
5490 			}
5491 		}
5492 	}
5493 	return 0;
5494 }
5495 
5496 static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
5497 			       struct snd_pcm_hw_params *params)
5498 {
5499 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5500 	int err;
5501 	int i;
5502 	pid_t this_pid;
5503 	pid_t other_pid;
5504 
5505 	spin_lock_irq(&hdspm->lock);
5506 
5507 	if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5508 		this_pid = hdspm->playback_pid;
5509 		other_pid = hdspm->capture_pid;
5510 	} else {
5511 		this_pid = hdspm->capture_pid;
5512 		other_pid = hdspm->playback_pid;
5513 	}
5514 
5515 	if (other_pid > 0 && this_pid != other_pid) {
5516 
5517 		/* The other stream is open, and not by the same
5518 		   task as this one. Make sure that the parameters
5519 		   that matter are the same.
5520 		   */
5521 
5522 		if (params_rate(params) != hdspm->system_sample_rate) {
5523 			spin_unlock_irq(&hdspm->lock);
5524 			_snd_pcm_hw_param_setempty(params,
5525 					SNDRV_PCM_HW_PARAM_RATE);
5526 			return -EBUSY;
5527 		}
5528 
5529 		if (params_period_size(params) != hdspm->period_bytes / 4) {
5530 			spin_unlock_irq(&hdspm->lock);
5531 			_snd_pcm_hw_param_setempty(params,
5532 					SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
5533 			return -EBUSY;
5534 		}
5535 
5536 	}
5537 	/* We're fine. */
5538 	spin_unlock_irq(&hdspm->lock);
5539 
5540 	/* how to make sure that the rate matches an externally-set one ?   */
5541 
5542 	spin_lock_irq(&hdspm->lock);
5543 	err = hdspm_set_rate(hdspm, params_rate(params), 0);
5544 	if (err < 0) {
5545 		dev_info(hdspm->card->dev, "err on hdspm_set_rate: %d\n", err);
5546 		spin_unlock_irq(&hdspm->lock);
5547 		_snd_pcm_hw_param_setempty(params,
5548 				SNDRV_PCM_HW_PARAM_RATE);
5549 		return err;
5550 	}
5551 	spin_unlock_irq(&hdspm->lock);
5552 
5553 	err = hdspm_set_interrupt_interval(hdspm,
5554 			params_period_size(params));
5555 	if (err < 0) {
5556 		dev_info(hdspm->card->dev,
5557 			 "err on hdspm_set_interrupt_interval: %d\n", err);
5558 		_snd_pcm_hw_param_setempty(params,
5559 				SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
5560 		return err;
5561 	}
5562 
5563 	/* Memory allocation, takashi's method, dont know if we should
5564 	 * spinlock
5565 	 */
5566 	/* malloc all buffer even if not enabled to get sure */
5567 	/* Update for MADI rev 204: we need to allocate for all channels,
5568 	 * otherwise it doesn't work at 96kHz */
5569 
5570 	err =
5571 		snd_pcm_lib_malloc_pages(substream, HDSPM_DMA_AREA_BYTES);
5572 	if (err < 0) {
5573 		dev_info(hdspm->card->dev,
5574 			 "err on snd_pcm_lib_malloc_pages: %d\n", err);
5575 		return err;
5576 	}
5577 
5578 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5579 
5580 		for (i = 0; i < params_channels(params); ++i) {
5581 			int c = hdspm->channel_map_out[i];
5582 
5583 			if (c < 0)
5584 				continue;      /* just make sure */
5585 			hdspm_set_channel_dma_addr(hdspm, substream,
5586 						   HDSPM_pageAddressBufferOut,
5587 						   c);
5588 			snd_hdspm_enable_out(hdspm, c, 1);
5589 		}
5590 
5591 		hdspm->playback_buffer =
5592 			(unsigned char *) substream->runtime->dma_area;
5593 		dev_dbg(hdspm->card->dev,
5594 			"Allocated sample buffer for playback at %p\n",
5595 				hdspm->playback_buffer);
5596 	} else {
5597 		for (i = 0; i < params_channels(params); ++i) {
5598 			int c = hdspm->channel_map_in[i];
5599 
5600 			if (c < 0)
5601 				continue;
5602 			hdspm_set_channel_dma_addr(hdspm, substream,
5603 						   HDSPM_pageAddressBufferIn,
5604 						   c);
5605 			snd_hdspm_enable_in(hdspm, c, 1);
5606 		}
5607 
5608 		hdspm->capture_buffer =
5609 			(unsigned char *) substream->runtime->dma_area;
5610 		dev_dbg(hdspm->card->dev,
5611 			"Allocated sample buffer for capture at %p\n",
5612 				hdspm->capture_buffer);
5613 	}
5614 
5615 	/*
5616 	   dev_dbg(hdspm->card->dev,
5617 	   "Allocated sample buffer for %s at 0x%08X\n",
5618 	   substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
5619 	   "playback" : "capture",
5620 	   snd_pcm_sgbuf_get_addr(substream, 0));
5621 	   */
5622 	/*
5623 	   dev_dbg(hdspm->card->dev,
5624 	   "set_hwparams: %s %d Hz, %d channels, bs = %d\n",
5625 	   substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
5626 	   "playback" : "capture",
5627 	   params_rate(params), params_channels(params),
5628 	   params_buffer_size(params));
5629 	   */
5630 
5631 
5632 	/*  For AES cards, the float format bit is the same as the
5633 	 *  preferred sync reference. Since we don't want to break
5634 	 *  sync settings, we have to skip the remaining part of this
5635 	 *  function.
5636 	 */
5637 	if (hdspm->io_type == AES32) {
5638 		return 0;
5639 	}
5640 
5641 
5642 	/* Switch to native float format if requested */
5643 	if (SNDRV_PCM_FORMAT_FLOAT_LE == params_format(params)) {
5644 		if (!(hdspm->control_register & HDSPe_FLOAT_FORMAT))
5645 			dev_info(hdspm->card->dev,
5646 				 "Switching to native 32bit LE float format.\n");
5647 
5648 		hdspm->control_register |= HDSPe_FLOAT_FORMAT;
5649 	} else if (SNDRV_PCM_FORMAT_S32_LE == params_format(params)) {
5650 		if (hdspm->control_register & HDSPe_FLOAT_FORMAT)
5651 			dev_info(hdspm->card->dev,
5652 				 "Switching to native 32bit LE integer format.\n");
5653 
5654 		hdspm->control_register &= ~HDSPe_FLOAT_FORMAT;
5655 	}
5656 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
5657 
5658 	return 0;
5659 }
5660 
5661 static int snd_hdspm_hw_free(struct snd_pcm_substream *substream)
5662 {
5663 	int i;
5664 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5665 
5666 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5667 		/* Just disable all channels. The saving when disabling a */
5668 		/* smaller set is not worth the trouble. */
5669 		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
5670 			snd_hdspm_enable_out(hdspm, i, 0);
5671 
5672 		hdspm->playback_buffer = NULL;
5673 	} else {
5674 		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
5675 			snd_hdspm_enable_in(hdspm, i, 0);
5676 
5677 		hdspm->capture_buffer = NULL;
5678 	}
5679 
5680 	snd_pcm_lib_free_pages(substream);
5681 
5682 	return 0;
5683 }
5684 
5685 
5686 static int snd_hdspm_channel_info(struct snd_pcm_substream *substream,
5687 		struct snd_pcm_channel_info *info)
5688 {
5689 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5690 	unsigned int channel = info->channel;
5691 
5692 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5693 		if (snd_BUG_ON(channel >= hdspm->max_channels_out)) {
5694 			dev_info(hdspm->card->dev,
5695 				 "snd_hdspm_channel_info: output channel out of range (%d)\n",
5696 				 channel);
5697 			return -EINVAL;
5698 		}
5699 
5700 		channel = array_index_nospec(channel, hdspm->max_channels_out);
5701 		if (hdspm->channel_map_out[channel] < 0) {
5702 			dev_info(hdspm->card->dev,
5703 				 "snd_hdspm_channel_info: output channel %d mapped out\n",
5704 				 channel);
5705 			return -EINVAL;
5706 		}
5707 
5708 		info->offset = hdspm->channel_map_out[channel] *
5709 			HDSPM_CHANNEL_BUFFER_BYTES;
5710 	} else {
5711 		if (snd_BUG_ON(channel >= hdspm->max_channels_in)) {
5712 			dev_info(hdspm->card->dev,
5713 				 "snd_hdspm_channel_info: input channel out of range (%d)\n",
5714 				 channel);
5715 			return -EINVAL;
5716 		}
5717 
5718 		channel = array_index_nospec(channel, hdspm->max_channels_in);
5719 		if (hdspm->channel_map_in[channel] < 0) {
5720 			dev_info(hdspm->card->dev,
5721 				 "snd_hdspm_channel_info: input channel %d mapped out\n",
5722 				 channel);
5723 			return -EINVAL;
5724 		}
5725 
5726 		info->offset = hdspm->channel_map_in[channel] *
5727 			HDSPM_CHANNEL_BUFFER_BYTES;
5728 	}
5729 
5730 	info->first = 0;
5731 	info->step = 32;
5732 	return 0;
5733 }
5734 
5735 
5736 static int snd_hdspm_ioctl(struct snd_pcm_substream *substream,
5737 		unsigned int cmd, void *arg)
5738 {
5739 	switch (cmd) {
5740 	case SNDRV_PCM_IOCTL1_RESET:
5741 		return snd_hdspm_reset(substream);
5742 
5743 	case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
5744 		{
5745 			struct snd_pcm_channel_info *info = arg;
5746 			return snd_hdspm_channel_info(substream, info);
5747 		}
5748 	default:
5749 		break;
5750 	}
5751 
5752 	return snd_pcm_lib_ioctl(substream, cmd, arg);
5753 }
5754 
5755 static int snd_hdspm_trigger(struct snd_pcm_substream *substream, int cmd)
5756 {
5757 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5758 	struct snd_pcm_substream *other;
5759 	int running;
5760 
5761 	spin_lock(&hdspm->lock);
5762 	running = hdspm->running;
5763 	switch (cmd) {
5764 	case SNDRV_PCM_TRIGGER_START:
5765 		running |= 1 << substream->stream;
5766 		break;
5767 	case SNDRV_PCM_TRIGGER_STOP:
5768 		running &= ~(1 << substream->stream);
5769 		break;
5770 	default:
5771 		snd_BUG();
5772 		spin_unlock(&hdspm->lock);
5773 		return -EINVAL;
5774 	}
5775 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
5776 		other = hdspm->capture_substream;
5777 	else
5778 		other = hdspm->playback_substream;
5779 
5780 	if (other) {
5781 		struct snd_pcm_substream *s;
5782 		snd_pcm_group_for_each_entry(s, substream) {
5783 			if (s == other) {
5784 				snd_pcm_trigger_done(s, substream);
5785 				if (cmd == SNDRV_PCM_TRIGGER_START)
5786 					running |= 1 << s->stream;
5787 				else
5788 					running &= ~(1 << s->stream);
5789 				goto _ok;
5790 			}
5791 		}
5792 		if (cmd == SNDRV_PCM_TRIGGER_START) {
5793 			if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK))
5794 					&& substream->stream ==
5795 					SNDRV_PCM_STREAM_CAPTURE)
5796 				hdspm_silence_playback(hdspm);
5797 		} else {
5798 			if (running &&
5799 				substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
5800 				hdspm_silence_playback(hdspm);
5801 		}
5802 	} else {
5803 		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
5804 			hdspm_silence_playback(hdspm);
5805 	}
5806 _ok:
5807 	snd_pcm_trigger_done(substream, substream);
5808 	if (!hdspm->running && running)
5809 		hdspm_start_audio(hdspm);
5810 	else if (hdspm->running && !running)
5811 		hdspm_stop_audio(hdspm);
5812 	hdspm->running = running;
5813 	spin_unlock(&hdspm->lock);
5814 
5815 	return 0;
5816 }
5817 
5818 static int snd_hdspm_prepare(struct snd_pcm_substream *substream)
5819 {
5820 	return 0;
5821 }
5822 
5823 static const struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
5824 	.info = (SNDRV_PCM_INFO_MMAP |
5825 		 SNDRV_PCM_INFO_MMAP_VALID |
5826 		 SNDRV_PCM_INFO_NONINTERLEAVED |
5827 		 SNDRV_PCM_INFO_SYNC_START | SNDRV_PCM_INFO_DOUBLE),
5828 	.formats = SNDRV_PCM_FMTBIT_S32_LE,
5829 	.rates = (SNDRV_PCM_RATE_32000 |
5830 		  SNDRV_PCM_RATE_44100 |
5831 		  SNDRV_PCM_RATE_48000 |
5832 		  SNDRV_PCM_RATE_64000 |
5833 		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
5834 		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 ),
5835 	.rate_min = 32000,
5836 	.rate_max = 192000,
5837 	.channels_min = 1,
5838 	.channels_max = HDSPM_MAX_CHANNELS,
5839 	.buffer_bytes_max =
5840 	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
5841 	.period_bytes_min = (32 * 4),
5842 	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
5843 	.periods_min = 2,
5844 	.periods_max = 512,
5845 	.fifo_size = 0
5846 };
5847 
5848 static const struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
5849 	.info = (SNDRV_PCM_INFO_MMAP |
5850 		 SNDRV_PCM_INFO_MMAP_VALID |
5851 		 SNDRV_PCM_INFO_NONINTERLEAVED |
5852 		 SNDRV_PCM_INFO_SYNC_START),
5853 	.formats = SNDRV_PCM_FMTBIT_S32_LE,
5854 	.rates = (SNDRV_PCM_RATE_32000 |
5855 		  SNDRV_PCM_RATE_44100 |
5856 		  SNDRV_PCM_RATE_48000 |
5857 		  SNDRV_PCM_RATE_64000 |
5858 		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
5859 		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000),
5860 	.rate_min = 32000,
5861 	.rate_max = 192000,
5862 	.channels_min = 1,
5863 	.channels_max = HDSPM_MAX_CHANNELS,
5864 	.buffer_bytes_max =
5865 	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
5866 	.period_bytes_min = (32 * 4),
5867 	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
5868 	.periods_min = 2,
5869 	.periods_max = 512,
5870 	.fifo_size = 0
5871 };
5872 
5873 static int snd_hdspm_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
5874 					   struct snd_pcm_hw_rule *rule)
5875 {
5876 	struct hdspm *hdspm = rule->private;
5877 	struct snd_interval *c =
5878 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5879 	struct snd_interval *r =
5880 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5881 
5882 	if (r->min > 96000 && r->max <= 192000) {
5883 		struct snd_interval t = {
5884 			.min = hdspm->qs_in_channels,
5885 			.max = hdspm->qs_in_channels,
5886 			.integer = 1,
5887 		};
5888 		return snd_interval_refine(c, &t);
5889 	} else if (r->min > 48000 && r->max <= 96000) {
5890 		struct snd_interval t = {
5891 			.min = hdspm->ds_in_channels,
5892 			.max = hdspm->ds_in_channels,
5893 			.integer = 1,
5894 		};
5895 		return snd_interval_refine(c, &t);
5896 	} else if (r->max < 64000) {
5897 		struct snd_interval t = {
5898 			.min = hdspm->ss_in_channels,
5899 			.max = hdspm->ss_in_channels,
5900 			.integer = 1,
5901 		};
5902 		return snd_interval_refine(c, &t);
5903 	}
5904 
5905 	return 0;
5906 }
5907 
5908 static int snd_hdspm_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
5909 					   struct snd_pcm_hw_rule * rule)
5910 {
5911 	struct hdspm *hdspm = rule->private;
5912 	struct snd_interval *c =
5913 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5914 	struct snd_interval *r =
5915 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5916 
5917 	if (r->min > 96000 && r->max <= 192000) {
5918 		struct snd_interval t = {
5919 			.min = hdspm->qs_out_channels,
5920 			.max = hdspm->qs_out_channels,
5921 			.integer = 1,
5922 		};
5923 		return snd_interval_refine(c, &t);
5924 	} else if (r->min > 48000 && r->max <= 96000) {
5925 		struct snd_interval t = {
5926 			.min = hdspm->ds_out_channels,
5927 			.max = hdspm->ds_out_channels,
5928 			.integer = 1,
5929 		};
5930 		return snd_interval_refine(c, &t);
5931 	} else if (r->max < 64000) {
5932 		struct snd_interval t = {
5933 			.min = hdspm->ss_out_channels,
5934 			.max = hdspm->ss_out_channels,
5935 			.integer = 1,
5936 		};
5937 		return snd_interval_refine(c, &t);
5938 	} else {
5939 	}
5940 	return 0;
5941 }
5942 
5943 static int snd_hdspm_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params,
5944 					   struct snd_pcm_hw_rule * rule)
5945 {
5946 	struct hdspm *hdspm = rule->private;
5947 	struct snd_interval *c =
5948 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5949 	struct snd_interval *r =
5950 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5951 
5952 	if (c->min >= hdspm->ss_in_channels) {
5953 		struct snd_interval t = {
5954 			.min = 32000,
5955 			.max = 48000,
5956 			.integer = 1,
5957 		};
5958 		return snd_interval_refine(r, &t);
5959 	} else if (c->max <= hdspm->qs_in_channels) {
5960 		struct snd_interval t = {
5961 			.min = 128000,
5962 			.max = 192000,
5963 			.integer = 1,
5964 		};
5965 		return snd_interval_refine(r, &t);
5966 	} else if (c->max <= hdspm->ds_in_channels) {
5967 		struct snd_interval t = {
5968 			.min = 64000,
5969 			.max = 96000,
5970 			.integer = 1,
5971 		};
5972 		return snd_interval_refine(r, &t);
5973 	}
5974 
5975 	return 0;
5976 }
5977 static int snd_hdspm_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params,
5978 					   struct snd_pcm_hw_rule *rule)
5979 {
5980 	struct hdspm *hdspm = rule->private;
5981 	struct snd_interval *c =
5982 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5983 	struct snd_interval *r =
5984 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5985 
5986 	if (c->min >= hdspm->ss_out_channels) {
5987 		struct snd_interval t = {
5988 			.min = 32000,
5989 			.max = 48000,
5990 			.integer = 1,
5991 		};
5992 		return snd_interval_refine(r, &t);
5993 	} else if (c->max <= hdspm->qs_out_channels) {
5994 		struct snd_interval t = {
5995 			.min = 128000,
5996 			.max = 192000,
5997 			.integer = 1,
5998 		};
5999 		return snd_interval_refine(r, &t);
6000 	} else if (c->max <= hdspm->ds_out_channels) {
6001 		struct snd_interval t = {
6002 			.min = 64000,
6003 			.max = 96000,
6004 			.integer = 1,
6005 		};
6006 		return snd_interval_refine(r, &t);
6007 	}
6008 
6009 	return 0;
6010 }
6011 
6012 static int snd_hdspm_hw_rule_in_channels(struct snd_pcm_hw_params *params,
6013 				      struct snd_pcm_hw_rule *rule)
6014 {
6015 	unsigned int list[3];
6016 	struct hdspm *hdspm = rule->private;
6017 	struct snd_interval *c = hw_param_interval(params,
6018 			SNDRV_PCM_HW_PARAM_CHANNELS);
6019 
6020 	list[0] = hdspm->qs_in_channels;
6021 	list[1] = hdspm->ds_in_channels;
6022 	list[2] = hdspm->ss_in_channels;
6023 	return snd_interval_list(c, 3, list, 0);
6024 }
6025 
6026 static int snd_hdspm_hw_rule_out_channels(struct snd_pcm_hw_params *params,
6027 				      struct snd_pcm_hw_rule *rule)
6028 {
6029 	unsigned int list[3];
6030 	struct hdspm *hdspm = rule->private;
6031 	struct snd_interval *c = hw_param_interval(params,
6032 			SNDRV_PCM_HW_PARAM_CHANNELS);
6033 
6034 	list[0] = hdspm->qs_out_channels;
6035 	list[1] = hdspm->ds_out_channels;
6036 	list[2] = hdspm->ss_out_channels;
6037 	return snd_interval_list(c, 3, list, 0);
6038 }
6039 
6040 
6041 static const unsigned int hdspm_aes32_sample_rates[] = {
6042 	32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000
6043 };
6044 
6045 static const struct snd_pcm_hw_constraint_list
6046 hdspm_hw_constraints_aes32_sample_rates = {
6047 	.count = ARRAY_SIZE(hdspm_aes32_sample_rates),
6048 	.list = hdspm_aes32_sample_rates,
6049 	.mask = 0
6050 };
6051 
6052 static int snd_hdspm_open(struct snd_pcm_substream *substream)
6053 {
6054 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
6055 	struct snd_pcm_runtime *runtime = substream->runtime;
6056 	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
6057 
6058 	spin_lock_irq(&hdspm->lock);
6059 	snd_pcm_set_sync(substream);
6060 	runtime->hw = (playback) ? snd_hdspm_playback_subinfo :
6061 		snd_hdspm_capture_subinfo;
6062 
6063 	if (playback) {
6064 		if (!hdspm->capture_substream)
6065 			hdspm_stop_audio(hdspm);
6066 
6067 		hdspm->playback_pid = current->pid;
6068 		hdspm->playback_substream = substream;
6069 	} else {
6070 		if (!hdspm->playback_substream)
6071 			hdspm_stop_audio(hdspm);
6072 
6073 		hdspm->capture_pid = current->pid;
6074 		hdspm->capture_substream = substream;
6075 	}
6076 
6077 	spin_unlock_irq(&hdspm->lock);
6078 
6079 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
6080 	snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
6081 
6082 	switch (hdspm->io_type) {
6083 	case AIO:
6084 	case RayDAT:
6085 		snd_pcm_hw_constraint_minmax(runtime,
6086 					     SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
6087 					     32, 4096);
6088 		/* RayDAT & AIO have a fixed buffer of 16384 samples per channel */
6089 		snd_pcm_hw_constraint_single(runtime,
6090 					     SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
6091 					     16384);
6092 		break;
6093 
6094 	default:
6095 		snd_pcm_hw_constraint_minmax(runtime,
6096 					     SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
6097 					     64, 8192);
6098 		snd_pcm_hw_constraint_single(runtime,
6099 					     SNDRV_PCM_HW_PARAM_PERIODS, 2);
6100 		break;
6101 	}
6102 
6103 	if (AES32 == hdspm->io_type) {
6104 		runtime->hw.rates |= SNDRV_PCM_RATE_KNOT;
6105 		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
6106 				&hdspm_hw_constraints_aes32_sample_rates);
6107 	} else {
6108 		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
6109 				(playback ?
6110 				 snd_hdspm_hw_rule_rate_out_channels :
6111 				 snd_hdspm_hw_rule_rate_in_channels), hdspm,
6112 				SNDRV_PCM_HW_PARAM_CHANNELS, -1);
6113 	}
6114 
6115 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
6116 			(playback ? snd_hdspm_hw_rule_out_channels :
6117 			 snd_hdspm_hw_rule_in_channels), hdspm,
6118 			SNDRV_PCM_HW_PARAM_CHANNELS, -1);
6119 
6120 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
6121 			(playback ? snd_hdspm_hw_rule_out_channels_rate :
6122 			 snd_hdspm_hw_rule_in_channels_rate), hdspm,
6123 			SNDRV_PCM_HW_PARAM_RATE, -1);
6124 
6125 	return 0;
6126 }
6127 
6128 static int snd_hdspm_release(struct snd_pcm_substream *substream)
6129 {
6130 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
6131 	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
6132 
6133 	spin_lock_irq(&hdspm->lock);
6134 
6135 	if (playback) {
6136 		hdspm->playback_pid = -1;
6137 		hdspm->playback_substream = NULL;
6138 	} else {
6139 		hdspm->capture_pid = -1;
6140 		hdspm->capture_substream = NULL;
6141 	}
6142 
6143 	spin_unlock_irq(&hdspm->lock);
6144 
6145 	return 0;
6146 }
6147 
6148 static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep *hw, struct file *file)
6149 {
6150 	/* we have nothing to initialize but the call is required */
6151 	return 0;
6152 }
6153 
6154 static inline int copy_u32_le(void __user *dest, void __iomem *src)
6155 {
6156 	u32 val = readl(src);
6157 	return copy_to_user(dest, &val, 4);
6158 }
6159 
6160 static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
6161 		unsigned int cmd, unsigned long arg)
6162 {
6163 	void __user *argp = (void __user *)arg;
6164 	struct hdspm *hdspm = hw->private_data;
6165 	struct hdspm_mixer_ioctl mixer;
6166 	struct hdspm_config info;
6167 	struct hdspm_status status;
6168 	struct hdspm_version hdspm_version;
6169 	struct hdspm_peak_rms *levels;
6170 	struct hdspm_ltc ltc;
6171 	unsigned int statusregister;
6172 	long unsigned int s;
6173 	int i = 0;
6174 
6175 	switch (cmd) {
6176 
6177 	case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
6178 		levels = &hdspm->peak_rms;
6179 		for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
6180 			levels->input_peaks[i] =
6181 				readl(hdspm->iobase +
6182 						HDSPM_MADI_INPUT_PEAK + i*4);
6183 			levels->playback_peaks[i] =
6184 				readl(hdspm->iobase +
6185 						HDSPM_MADI_PLAYBACK_PEAK + i*4);
6186 			levels->output_peaks[i] =
6187 				readl(hdspm->iobase +
6188 						HDSPM_MADI_OUTPUT_PEAK + i*4);
6189 
6190 			levels->input_rms[i] =
6191 				((uint64_t) readl(hdspm->iobase +
6192 					HDSPM_MADI_INPUT_RMS_H + i*4) << 32) |
6193 				(uint64_t) readl(hdspm->iobase +
6194 						HDSPM_MADI_INPUT_RMS_L + i*4);
6195 			levels->playback_rms[i] =
6196 				((uint64_t)readl(hdspm->iobase +
6197 					HDSPM_MADI_PLAYBACK_RMS_H+i*4) << 32) |
6198 				(uint64_t)readl(hdspm->iobase +
6199 					HDSPM_MADI_PLAYBACK_RMS_L + i*4);
6200 			levels->output_rms[i] =
6201 				((uint64_t)readl(hdspm->iobase +
6202 					HDSPM_MADI_OUTPUT_RMS_H + i*4) << 32) |
6203 				(uint64_t)readl(hdspm->iobase +
6204 						HDSPM_MADI_OUTPUT_RMS_L + i*4);
6205 		}
6206 
6207 		if (hdspm->system_sample_rate > 96000) {
6208 			levels->speed = qs;
6209 		} else if (hdspm->system_sample_rate > 48000) {
6210 			levels->speed = ds;
6211 		} else {
6212 			levels->speed = ss;
6213 		}
6214 		levels->status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
6215 
6216 		s = copy_to_user(argp, levels, sizeof(*levels));
6217 		if (0 != s) {
6218 			/* dev_err(hdspm->card->dev, "copy_to_user(.., .., %lu): %lu
6219 			 [Levels]\n", sizeof(struct hdspm_peak_rms), s);
6220 			 */
6221 			return -EFAULT;
6222 		}
6223 		break;
6224 
6225 	case SNDRV_HDSPM_IOCTL_GET_LTC:
6226 		ltc.ltc = hdspm_read(hdspm, HDSPM_RD_TCO);
6227 		i = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
6228 		if (i & HDSPM_TCO1_LTC_Input_valid) {
6229 			switch (i & (HDSPM_TCO1_LTC_Format_LSB |
6230 				HDSPM_TCO1_LTC_Format_MSB)) {
6231 			case 0:
6232 				ltc.format = fps_24;
6233 				break;
6234 			case HDSPM_TCO1_LTC_Format_LSB:
6235 				ltc.format = fps_25;
6236 				break;
6237 			case HDSPM_TCO1_LTC_Format_MSB:
6238 				ltc.format = fps_2997;
6239 				break;
6240 			default:
6241 				ltc.format = fps_30;
6242 				break;
6243 			}
6244 			if (i & HDSPM_TCO1_set_drop_frame_flag) {
6245 				ltc.frame = drop_frame;
6246 			} else {
6247 				ltc.frame = full_frame;
6248 			}
6249 		} else {
6250 			ltc.format = format_invalid;
6251 			ltc.frame = frame_invalid;
6252 		}
6253 		if (i & HDSPM_TCO1_Video_Input_Format_NTSC) {
6254 			ltc.input_format = ntsc;
6255 		} else if (i & HDSPM_TCO1_Video_Input_Format_PAL) {
6256 			ltc.input_format = pal;
6257 		} else {
6258 			ltc.input_format = no_video;
6259 		}
6260 
6261 		s = copy_to_user(argp, &ltc, sizeof(ltc));
6262 		if (0 != s) {
6263 			/*
6264 			  dev_err(hdspm->card->dev, "copy_to_user(.., .., %lu): %lu [LTC]\n", sizeof(struct hdspm_ltc), s); */
6265 			return -EFAULT;
6266 		}
6267 
6268 		break;
6269 
6270 	case SNDRV_HDSPM_IOCTL_GET_CONFIG:
6271 
6272 		memset(&info, 0, sizeof(info));
6273 		spin_lock_irq(&hdspm->lock);
6274 		info.pref_sync_ref = hdspm_pref_sync_ref(hdspm);
6275 		info.wordclock_sync_check = hdspm_wc_sync_check(hdspm);
6276 
6277 		info.system_sample_rate = hdspm->system_sample_rate;
6278 		info.autosync_sample_rate =
6279 			hdspm_external_sample_rate(hdspm);
6280 		info.system_clock_mode = hdspm_system_clock_mode(hdspm);
6281 		info.clock_source = hdspm_clock_source(hdspm);
6282 		info.autosync_ref = hdspm_autosync_ref(hdspm);
6283 		info.line_out = hdspm_toggle_setting(hdspm, HDSPM_LineOut);
6284 		info.passthru = 0;
6285 		spin_unlock_irq(&hdspm->lock);
6286 		if (copy_to_user(argp, &info, sizeof(info)))
6287 			return -EFAULT;
6288 		break;
6289 
6290 	case SNDRV_HDSPM_IOCTL_GET_STATUS:
6291 		memset(&status, 0, sizeof(status));
6292 
6293 		status.card_type = hdspm->io_type;
6294 
6295 		status.autosync_source = hdspm_autosync_ref(hdspm);
6296 
6297 		status.card_clock = 110069313433624ULL;
6298 		status.master_period = hdspm_read(hdspm, HDSPM_RD_PLL_FREQ);
6299 
6300 		switch (hdspm->io_type) {
6301 		case MADI:
6302 		case MADIface:
6303 			status.card_specific.madi.sync_wc =
6304 				hdspm_wc_sync_check(hdspm);
6305 			status.card_specific.madi.sync_madi =
6306 				hdspm_madi_sync_check(hdspm);
6307 			status.card_specific.madi.sync_tco =
6308 				hdspm_tco_sync_check(hdspm);
6309 			status.card_specific.madi.sync_in =
6310 				hdspm_sync_in_sync_check(hdspm);
6311 
6312 			statusregister =
6313 				hdspm_read(hdspm, HDSPM_statusRegister);
6314 			status.card_specific.madi.madi_input =
6315 				(statusregister & HDSPM_AB_int) ? 1 : 0;
6316 			status.card_specific.madi.channel_format =
6317 				(statusregister & HDSPM_RX_64ch) ? 1 : 0;
6318 			/* TODO: Mac driver sets it when f_s>48kHz */
6319 			status.card_specific.madi.frame_format = 0;
6320 
6321 		default:
6322 			break;
6323 		}
6324 
6325 		if (copy_to_user(argp, &status, sizeof(status)))
6326 			return -EFAULT;
6327 
6328 
6329 		break;
6330 
6331 	case SNDRV_HDSPM_IOCTL_GET_VERSION:
6332 		memset(&hdspm_version, 0, sizeof(hdspm_version));
6333 
6334 		hdspm_version.card_type = hdspm->io_type;
6335 		strlcpy(hdspm_version.cardname, hdspm->card_name,
6336 				sizeof(hdspm_version.cardname));
6337 		hdspm_version.serial = hdspm->serial;
6338 		hdspm_version.firmware_rev = hdspm->firmware_rev;
6339 		hdspm_version.addons = 0;
6340 		if (hdspm->tco)
6341 			hdspm_version.addons |= HDSPM_ADDON_TCO;
6342 
6343 		if (copy_to_user(argp, &hdspm_version,
6344 					sizeof(hdspm_version)))
6345 			return -EFAULT;
6346 		break;
6347 
6348 	case SNDRV_HDSPM_IOCTL_GET_MIXER:
6349 		if (copy_from_user(&mixer, argp, sizeof(mixer)))
6350 			return -EFAULT;
6351 		if (copy_to_user((void __user *)mixer.mixer, hdspm->mixer,
6352 				 sizeof(*mixer.mixer)))
6353 			return -EFAULT;
6354 		break;
6355 
6356 	default:
6357 		return -EINVAL;
6358 	}
6359 	return 0;
6360 }
6361 
6362 static const struct snd_pcm_ops snd_hdspm_ops = {
6363 	.open = snd_hdspm_open,
6364 	.close = snd_hdspm_release,
6365 	.ioctl = snd_hdspm_ioctl,
6366 	.hw_params = snd_hdspm_hw_params,
6367 	.hw_free = snd_hdspm_hw_free,
6368 	.prepare = snd_hdspm_prepare,
6369 	.trigger = snd_hdspm_trigger,
6370 	.pointer = snd_hdspm_hw_pointer,
6371 };
6372 
6373 static int snd_hdspm_create_hwdep(struct snd_card *card,
6374 				  struct hdspm *hdspm)
6375 {
6376 	struct snd_hwdep *hw;
6377 	int err;
6378 
6379 	err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw);
6380 	if (err < 0)
6381 		return err;
6382 
6383 	hdspm->hwdep = hw;
6384 	hw->private_data = hdspm;
6385 	strcpy(hw->name, "HDSPM hwdep interface");
6386 
6387 	hw->ops.open = snd_hdspm_hwdep_dummy_op;
6388 	hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
6389 	hw->ops.ioctl_compat = snd_hdspm_hwdep_ioctl;
6390 	hw->ops.release = snd_hdspm_hwdep_dummy_op;
6391 
6392 	return 0;
6393 }
6394 
6395 
6396 /*------------------------------------------------------------
6397    memory interface
6398  ------------------------------------------------------------*/
6399 static int snd_hdspm_preallocate_memory(struct hdspm *hdspm)
6400 {
6401 	struct snd_pcm *pcm;
6402 	size_t wanted;
6403 
6404 	pcm = hdspm->pcm;
6405 
6406 	wanted = HDSPM_DMA_AREA_BYTES;
6407 
6408 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
6409 					      &hdspm->pci->dev,
6410 					      wanted, wanted);
6411 	dev_dbg(hdspm->card->dev, " Preallocated %zd Bytes\n", wanted);
6412 	return 0;
6413 }
6414 
6415 /* Inform the card what DMA addresses to use for the indicated channel. */
6416 /* Each channel got 16 4K pages allocated for DMA transfers. */
6417 static void hdspm_set_channel_dma_addr(struct hdspm *hdspm,
6418 				       struct snd_pcm_substream *substream,
6419 				       unsigned int reg, int channel)
6420 {
6421 	int i;
6422 
6423 	for (i = channel * 16; i < channel * 16 + 16; i++)
6424 		hdspm_write(hdspm, reg + 4 * i,
6425 			    snd_pcm_sgbuf_get_addr(substream, 4096 * i));
6426 }
6427 
6428 
6429 /* ------------- ALSA Devices ---------------------------- */
6430 static int snd_hdspm_create_pcm(struct snd_card *card,
6431 				struct hdspm *hdspm)
6432 {
6433 	struct snd_pcm *pcm;
6434 	int err;
6435 
6436 	err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm);
6437 	if (err < 0)
6438 		return err;
6439 
6440 	hdspm->pcm = pcm;
6441 	pcm->private_data = hdspm;
6442 	strcpy(pcm->name, hdspm->card_name);
6443 
6444 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
6445 			&snd_hdspm_ops);
6446 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
6447 			&snd_hdspm_ops);
6448 
6449 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
6450 
6451 	err = snd_hdspm_preallocate_memory(hdspm);
6452 	if (err < 0)
6453 		return err;
6454 
6455 	return 0;
6456 }
6457 
6458 static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm)
6459 {
6460 	int i;
6461 
6462 	for (i = 0; i < hdspm->midiPorts; i++)
6463 		snd_hdspm_flush_midi_input(hdspm, i);
6464 }
6465 
6466 static int snd_hdspm_create_alsa_devices(struct snd_card *card,
6467 					 struct hdspm *hdspm)
6468 {
6469 	int err, i;
6470 
6471 	dev_dbg(card->dev, "Create card...\n");
6472 	err = snd_hdspm_create_pcm(card, hdspm);
6473 	if (err < 0)
6474 		return err;
6475 
6476 	i = 0;
6477 	while (i < hdspm->midiPorts) {
6478 		err = snd_hdspm_create_midi(card, hdspm, i);
6479 		if (err < 0) {
6480 			return err;
6481 		}
6482 		i++;
6483 	}
6484 
6485 	err = snd_hdspm_create_controls(card, hdspm);
6486 	if (err < 0)
6487 		return err;
6488 
6489 	err = snd_hdspm_create_hwdep(card, hdspm);
6490 	if (err < 0)
6491 		return err;
6492 
6493 	dev_dbg(card->dev, "proc init...\n");
6494 	snd_hdspm_proc_init(hdspm);
6495 
6496 	hdspm->system_sample_rate = -1;
6497 	hdspm->last_external_sample_rate = -1;
6498 	hdspm->last_internal_sample_rate = -1;
6499 	hdspm->playback_pid = -1;
6500 	hdspm->capture_pid = -1;
6501 	hdspm->capture_substream = NULL;
6502 	hdspm->playback_substream = NULL;
6503 
6504 	dev_dbg(card->dev, "Set defaults...\n");
6505 	err = snd_hdspm_set_defaults(hdspm);
6506 	if (err < 0)
6507 		return err;
6508 
6509 	dev_dbg(card->dev, "Update mixer controls...\n");
6510 	hdspm_update_simple_mixer_controls(hdspm);
6511 
6512 	dev_dbg(card->dev, "Initializing complete?\n");
6513 
6514 	err = snd_card_register(card);
6515 	if (err < 0) {
6516 		dev_err(card->dev, "error registering card\n");
6517 		return err;
6518 	}
6519 
6520 	dev_dbg(card->dev, "... yes now\n");
6521 
6522 	return 0;
6523 }
6524 
6525 static int snd_hdspm_create(struct snd_card *card,
6526 			    struct hdspm *hdspm)
6527 {
6528 
6529 	struct pci_dev *pci = hdspm->pci;
6530 	int err;
6531 	unsigned long io_extent;
6532 
6533 	hdspm->irq = -1;
6534 	hdspm->card = card;
6535 
6536 	spin_lock_init(&hdspm->lock);
6537 
6538 	pci_read_config_word(hdspm->pci,
6539 			PCI_CLASS_REVISION, &hdspm->firmware_rev);
6540 
6541 	strcpy(card->mixername, "Xilinx FPGA");
6542 	strcpy(card->driver, "HDSPM");
6543 
6544 	switch (hdspm->firmware_rev) {
6545 	case HDSPM_RAYDAT_REV:
6546 		hdspm->io_type = RayDAT;
6547 		hdspm->card_name = "RME RayDAT";
6548 		hdspm->midiPorts = 2;
6549 		break;
6550 	case HDSPM_AIO_REV:
6551 		hdspm->io_type = AIO;
6552 		hdspm->card_name = "RME AIO";
6553 		hdspm->midiPorts = 1;
6554 		break;
6555 	case HDSPM_MADIFACE_REV:
6556 		hdspm->io_type = MADIface;
6557 		hdspm->card_name = "RME MADIface";
6558 		hdspm->midiPorts = 1;
6559 		break;
6560 	default:
6561 		if ((hdspm->firmware_rev == 0xf0) ||
6562 			((hdspm->firmware_rev >= 0xe6) &&
6563 					(hdspm->firmware_rev <= 0xea))) {
6564 			hdspm->io_type = AES32;
6565 			hdspm->card_name = "RME AES32";
6566 			hdspm->midiPorts = 2;
6567 		} else if ((hdspm->firmware_rev == 0xd2) ||
6568 			((hdspm->firmware_rev >= 0xc8)  &&
6569 				(hdspm->firmware_rev <= 0xcf))) {
6570 			hdspm->io_type = MADI;
6571 			hdspm->card_name = "RME MADI";
6572 			hdspm->midiPorts = 3;
6573 		} else {
6574 			dev_err(card->dev,
6575 				"unknown firmware revision %x\n",
6576 				hdspm->firmware_rev);
6577 			return -ENODEV;
6578 		}
6579 	}
6580 
6581 	err = pci_enable_device(pci);
6582 	if (err < 0)
6583 		return err;
6584 
6585 	pci_set_master(hdspm->pci);
6586 
6587 	err = pci_request_regions(pci, "hdspm");
6588 	if (err < 0)
6589 		return err;
6590 
6591 	hdspm->port = pci_resource_start(pci, 0);
6592 	io_extent = pci_resource_len(pci, 0);
6593 
6594 	dev_dbg(card->dev, "grabbed memory region 0x%lx-0x%lx\n",
6595 			hdspm->port, hdspm->port + io_extent - 1);
6596 
6597 	hdspm->iobase = ioremap_nocache(hdspm->port, io_extent);
6598 	if (!hdspm->iobase) {
6599 		dev_err(card->dev, "unable to remap region 0x%lx-0x%lx\n",
6600 				hdspm->port, hdspm->port + io_extent - 1);
6601 		return -EBUSY;
6602 	}
6603 	dev_dbg(card->dev, "remapped region (0x%lx) 0x%lx-0x%lx\n",
6604 			(unsigned long)hdspm->iobase, hdspm->port,
6605 			hdspm->port + io_extent - 1);
6606 
6607 	if (request_irq(pci->irq, snd_hdspm_interrupt,
6608 			IRQF_SHARED, KBUILD_MODNAME, hdspm)) {
6609 		dev_err(card->dev, "unable to use IRQ %d\n", pci->irq);
6610 		return -EBUSY;
6611 	}
6612 
6613 	dev_dbg(card->dev, "use IRQ %d\n", pci->irq);
6614 
6615 	hdspm->irq = pci->irq;
6616 	card->sync_irq = hdspm->irq;
6617 
6618 	dev_dbg(card->dev, "kmalloc Mixer memory of %zd Bytes\n",
6619 		sizeof(*hdspm->mixer));
6620 	hdspm->mixer = kzalloc(sizeof(*hdspm->mixer), GFP_KERNEL);
6621 	if (!hdspm->mixer)
6622 		return -ENOMEM;
6623 
6624 	hdspm->port_names_in = NULL;
6625 	hdspm->port_names_out = NULL;
6626 
6627 	switch (hdspm->io_type) {
6628 	case AES32:
6629 		hdspm->ss_in_channels = hdspm->ss_out_channels = AES32_CHANNELS;
6630 		hdspm->ds_in_channels = hdspm->ds_out_channels = AES32_CHANNELS;
6631 		hdspm->qs_in_channels = hdspm->qs_out_channels = AES32_CHANNELS;
6632 
6633 		hdspm->channel_map_in_ss = hdspm->channel_map_out_ss =
6634 			channel_map_aes32;
6635 		hdspm->channel_map_in_ds = hdspm->channel_map_out_ds =
6636 			channel_map_aes32;
6637 		hdspm->channel_map_in_qs = hdspm->channel_map_out_qs =
6638 			channel_map_aes32;
6639 		hdspm->port_names_in_ss = hdspm->port_names_out_ss =
6640 			texts_ports_aes32;
6641 		hdspm->port_names_in_ds = hdspm->port_names_out_ds =
6642 			texts_ports_aes32;
6643 		hdspm->port_names_in_qs = hdspm->port_names_out_qs =
6644 			texts_ports_aes32;
6645 
6646 		hdspm->max_channels_out = hdspm->max_channels_in =
6647 			AES32_CHANNELS;
6648 		hdspm->port_names_in = hdspm->port_names_out =
6649 			texts_ports_aes32;
6650 		hdspm->channel_map_in = hdspm->channel_map_out =
6651 			channel_map_aes32;
6652 
6653 		break;
6654 
6655 	case MADI:
6656 	case MADIface:
6657 		hdspm->ss_in_channels = hdspm->ss_out_channels =
6658 			MADI_SS_CHANNELS;
6659 		hdspm->ds_in_channels = hdspm->ds_out_channels =
6660 			MADI_DS_CHANNELS;
6661 		hdspm->qs_in_channels = hdspm->qs_out_channels =
6662 			MADI_QS_CHANNELS;
6663 
6664 		hdspm->channel_map_in_ss = hdspm->channel_map_out_ss =
6665 			channel_map_unity_ss;
6666 		hdspm->channel_map_in_ds = hdspm->channel_map_out_ds =
6667 			channel_map_unity_ss;
6668 		hdspm->channel_map_in_qs = hdspm->channel_map_out_qs =
6669 			channel_map_unity_ss;
6670 
6671 		hdspm->port_names_in_ss = hdspm->port_names_out_ss =
6672 			texts_ports_madi;
6673 		hdspm->port_names_in_ds = hdspm->port_names_out_ds =
6674 			texts_ports_madi;
6675 		hdspm->port_names_in_qs = hdspm->port_names_out_qs =
6676 			texts_ports_madi;
6677 		break;
6678 
6679 	case AIO:
6680 		hdspm->ss_in_channels = AIO_IN_SS_CHANNELS;
6681 		hdspm->ds_in_channels = AIO_IN_DS_CHANNELS;
6682 		hdspm->qs_in_channels = AIO_IN_QS_CHANNELS;
6683 		hdspm->ss_out_channels = AIO_OUT_SS_CHANNELS;
6684 		hdspm->ds_out_channels = AIO_OUT_DS_CHANNELS;
6685 		hdspm->qs_out_channels = AIO_OUT_QS_CHANNELS;
6686 
6687 		if (0 == (hdspm_read(hdspm, HDSPM_statusRegister2) & HDSPM_s2_AEBI_D)) {
6688 			dev_info(card->dev, "AEB input board found\n");
6689 			hdspm->ss_in_channels += 4;
6690 			hdspm->ds_in_channels += 4;
6691 			hdspm->qs_in_channels += 4;
6692 		}
6693 
6694 		if (0 == (hdspm_read(hdspm, HDSPM_statusRegister2) & HDSPM_s2_AEBO_D)) {
6695 			dev_info(card->dev, "AEB output board found\n");
6696 			hdspm->ss_out_channels += 4;
6697 			hdspm->ds_out_channels += 4;
6698 			hdspm->qs_out_channels += 4;
6699 		}
6700 
6701 		hdspm->channel_map_out_ss = channel_map_aio_out_ss;
6702 		hdspm->channel_map_out_ds = channel_map_aio_out_ds;
6703 		hdspm->channel_map_out_qs = channel_map_aio_out_qs;
6704 
6705 		hdspm->channel_map_in_ss = channel_map_aio_in_ss;
6706 		hdspm->channel_map_in_ds = channel_map_aio_in_ds;
6707 		hdspm->channel_map_in_qs = channel_map_aio_in_qs;
6708 
6709 		hdspm->port_names_in_ss = texts_ports_aio_in_ss;
6710 		hdspm->port_names_out_ss = texts_ports_aio_out_ss;
6711 		hdspm->port_names_in_ds = texts_ports_aio_in_ds;
6712 		hdspm->port_names_out_ds = texts_ports_aio_out_ds;
6713 		hdspm->port_names_in_qs = texts_ports_aio_in_qs;
6714 		hdspm->port_names_out_qs = texts_ports_aio_out_qs;
6715 
6716 		break;
6717 
6718 	case RayDAT:
6719 		hdspm->ss_in_channels = hdspm->ss_out_channels =
6720 			RAYDAT_SS_CHANNELS;
6721 		hdspm->ds_in_channels = hdspm->ds_out_channels =
6722 			RAYDAT_DS_CHANNELS;
6723 		hdspm->qs_in_channels = hdspm->qs_out_channels =
6724 			RAYDAT_QS_CHANNELS;
6725 
6726 		hdspm->max_channels_in = RAYDAT_SS_CHANNELS;
6727 		hdspm->max_channels_out = RAYDAT_SS_CHANNELS;
6728 
6729 		hdspm->channel_map_in_ss = hdspm->channel_map_out_ss =
6730 			channel_map_raydat_ss;
6731 		hdspm->channel_map_in_ds = hdspm->channel_map_out_ds =
6732 			channel_map_raydat_ds;
6733 		hdspm->channel_map_in_qs = hdspm->channel_map_out_qs =
6734 			channel_map_raydat_qs;
6735 		hdspm->channel_map_in = hdspm->channel_map_out =
6736 			channel_map_raydat_ss;
6737 
6738 		hdspm->port_names_in_ss = hdspm->port_names_out_ss =
6739 			texts_ports_raydat_ss;
6740 		hdspm->port_names_in_ds = hdspm->port_names_out_ds =
6741 			texts_ports_raydat_ds;
6742 		hdspm->port_names_in_qs = hdspm->port_names_out_qs =
6743 			texts_ports_raydat_qs;
6744 
6745 
6746 		break;
6747 
6748 	}
6749 
6750 	/* TCO detection */
6751 	switch (hdspm->io_type) {
6752 	case AIO:
6753 	case RayDAT:
6754 		if (hdspm_read(hdspm, HDSPM_statusRegister2) &
6755 				HDSPM_s2_tco_detect) {
6756 			hdspm->midiPorts++;
6757 			hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
6758 			if (hdspm->tco)
6759 				hdspm_tco_write(hdspm);
6760 
6761 			dev_info(card->dev, "AIO/RayDAT TCO module found\n");
6762 		} else {
6763 			hdspm->tco = NULL;
6764 		}
6765 		break;
6766 
6767 	case MADI:
6768 	case AES32:
6769 		if (hdspm_read(hdspm, HDSPM_statusRegister) & HDSPM_tco_detect) {
6770 			hdspm->midiPorts++;
6771 			hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
6772 			if (hdspm->tco)
6773 				hdspm_tco_write(hdspm);
6774 
6775 			dev_info(card->dev, "MADI/AES TCO module found\n");
6776 		} else {
6777 			hdspm->tco = NULL;
6778 		}
6779 		break;
6780 
6781 	default:
6782 		hdspm->tco = NULL;
6783 	}
6784 
6785 	/* texts */
6786 	switch (hdspm->io_type) {
6787 	case AES32:
6788 		if (hdspm->tco) {
6789 			hdspm->texts_autosync = texts_autosync_aes_tco;
6790 			hdspm->texts_autosync_items =
6791 				ARRAY_SIZE(texts_autosync_aes_tco);
6792 		} else {
6793 			hdspm->texts_autosync = texts_autosync_aes;
6794 			hdspm->texts_autosync_items =
6795 				ARRAY_SIZE(texts_autosync_aes);
6796 		}
6797 		break;
6798 
6799 	case MADI:
6800 		if (hdspm->tco) {
6801 			hdspm->texts_autosync = texts_autosync_madi_tco;
6802 			hdspm->texts_autosync_items = 4;
6803 		} else {
6804 			hdspm->texts_autosync = texts_autosync_madi;
6805 			hdspm->texts_autosync_items = 3;
6806 		}
6807 		break;
6808 
6809 	case MADIface:
6810 
6811 		break;
6812 
6813 	case RayDAT:
6814 		if (hdspm->tco) {
6815 			hdspm->texts_autosync = texts_autosync_raydat_tco;
6816 			hdspm->texts_autosync_items = 9;
6817 		} else {
6818 			hdspm->texts_autosync = texts_autosync_raydat;
6819 			hdspm->texts_autosync_items = 8;
6820 		}
6821 		break;
6822 
6823 	case AIO:
6824 		if (hdspm->tco) {
6825 			hdspm->texts_autosync = texts_autosync_aio_tco;
6826 			hdspm->texts_autosync_items = 6;
6827 		} else {
6828 			hdspm->texts_autosync = texts_autosync_aio;
6829 			hdspm->texts_autosync_items = 5;
6830 		}
6831 		break;
6832 
6833 	}
6834 
6835 	tasklet_init(&hdspm->midi_tasklet,
6836 			hdspm_midi_tasklet, (unsigned long) hdspm);
6837 
6838 
6839 	if (hdspm->io_type != MADIface) {
6840 		hdspm->serial = (hdspm_read(hdspm,
6841 				HDSPM_midiStatusIn0)>>8) & 0xFFFFFF;
6842 		/* id contains either a user-provided value or the default
6843 		 * NULL. If it's the default, we're safe to
6844 		 * fill card->id with the serial number.
6845 		 *
6846 		 * If the serial number is 0xFFFFFF, then we're dealing with
6847 		 * an old PCI revision that comes without a sane number. In
6848 		 * this case, we don't set card->id to avoid collisions
6849 		 * when running with multiple cards.
6850 		 */
6851 		if (!id[hdspm->dev] && hdspm->serial != 0xFFFFFF) {
6852 			snprintf(card->id, sizeof(card->id),
6853 				 "HDSPMx%06x", hdspm->serial);
6854 			snd_card_set_id(card, card->id);
6855 		}
6856 	}
6857 
6858 	dev_dbg(card->dev, "create alsa devices.\n");
6859 	err = snd_hdspm_create_alsa_devices(card, hdspm);
6860 	if (err < 0)
6861 		return err;
6862 
6863 	snd_hdspm_initialize_midi_flush(hdspm);
6864 
6865 	return 0;
6866 }
6867 
6868 
6869 static int snd_hdspm_free(struct hdspm * hdspm)
6870 {
6871 
6872 	if (hdspm->port) {
6873 
6874 		/* stop th audio, and cancel all interrupts */
6875 		hdspm->control_register &=
6876 		    ~(HDSPM_Start | HDSPM_AudioInterruptEnable |
6877 		      HDSPM_Midi0InterruptEnable | HDSPM_Midi1InterruptEnable |
6878 		      HDSPM_Midi2InterruptEnable | HDSPM_Midi3InterruptEnable);
6879 		hdspm_write(hdspm, HDSPM_controlRegister,
6880 			    hdspm->control_register);
6881 	}
6882 
6883 	if (hdspm->irq >= 0)
6884 		free_irq(hdspm->irq, (void *) hdspm);
6885 
6886 	kfree(hdspm->mixer);
6887 	iounmap(hdspm->iobase);
6888 
6889 	if (hdspm->port)
6890 		pci_release_regions(hdspm->pci);
6891 
6892 	pci_disable_device(hdspm->pci);
6893 	return 0;
6894 }
6895 
6896 
6897 static void snd_hdspm_card_free(struct snd_card *card)
6898 {
6899 	struct hdspm *hdspm = card->private_data;
6900 
6901 	if (hdspm)
6902 		snd_hdspm_free(hdspm);
6903 }
6904 
6905 
6906 static int snd_hdspm_probe(struct pci_dev *pci,
6907 			   const struct pci_device_id *pci_id)
6908 {
6909 	static int dev;
6910 	struct hdspm *hdspm;
6911 	struct snd_card *card;
6912 	int err;
6913 
6914 	if (dev >= SNDRV_CARDS)
6915 		return -ENODEV;
6916 	if (!enable[dev]) {
6917 		dev++;
6918 		return -ENOENT;
6919 	}
6920 
6921 	err = snd_card_new(&pci->dev, index[dev], id[dev],
6922 			   THIS_MODULE, sizeof(*hdspm), &card);
6923 	if (err < 0)
6924 		return err;
6925 
6926 	hdspm = card->private_data;
6927 	card->private_free = snd_hdspm_card_free;
6928 	hdspm->dev = dev;
6929 	hdspm->pci = pci;
6930 
6931 	err = snd_hdspm_create(card, hdspm);
6932 	if (err < 0)
6933 		goto free_card;
6934 
6935 	if (hdspm->io_type != MADIface) {
6936 		snprintf(card->shortname, sizeof(card->shortname), "%s_%x",
6937 			hdspm->card_name, hdspm->serial);
6938 		snprintf(card->longname, sizeof(card->longname),
6939 			 "%s S/N 0x%x at 0x%lx, irq %d",
6940 			 hdspm->card_name, hdspm->serial,
6941 			 hdspm->port, hdspm->irq);
6942 	} else {
6943 		snprintf(card->shortname, sizeof(card->shortname), "%s",
6944 			 hdspm->card_name);
6945 		snprintf(card->longname, sizeof(card->longname),
6946 			 "%s at 0x%lx, irq %d",
6947 			 hdspm->card_name, hdspm->port, hdspm->irq);
6948 	}
6949 
6950 	err = snd_card_register(card);
6951 	if (err < 0)
6952 		goto free_card;
6953 
6954 	pci_set_drvdata(pci, card);
6955 
6956 	dev++;
6957 	return 0;
6958 
6959 free_card:
6960 	snd_card_free(card);
6961 	return err;
6962 }
6963 
6964 static void snd_hdspm_remove(struct pci_dev *pci)
6965 {
6966 	snd_card_free(pci_get_drvdata(pci));
6967 }
6968 
6969 static struct pci_driver hdspm_driver = {
6970 	.name = KBUILD_MODNAME,
6971 	.id_table = snd_hdspm_ids,
6972 	.probe = snd_hdspm_probe,
6973 	.remove = snd_hdspm_remove,
6974 };
6975 
6976 module_pci_driver(hdspm_driver);
6977