xref: /openbmc/linux/sound/pci/rme9652/hdspm.c (revision 1c95443e)
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 
169 /* --- Write registers. ---
170   These are defined as byte-offsets from the iobase value.  */
171 
172 #define HDSPM_WR_SETTINGS             0
173 #define HDSPM_outputBufferAddress    32
174 #define HDSPM_inputBufferAddress     36
175 #define HDSPM_controlRegister	     64
176 #define HDSPM_interruptConfirmation  96
177 #define HDSPM_control2Reg	     256  /* not in specs ???????? */
178 #define HDSPM_freqReg                256  /* for setting arbitrary clock values (DDS feature) */
179 #define HDSPM_midiDataOut0	     352  /* just believe in old code */
180 #define HDSPM_midiDataOut1	     356
181 #define HDSPM_eeprom_wr		     384  /* for AES32 */
182 
183 /* DMA enable for 64 channels, only Bit 0 is relevant */
184 #define HDSPM_outputEnableBase       512  /* 512-767  input  DMA */
185 #define HDSPM_inputEnableBase        768  /* 768-1023 output DMA */
186 
187 /* 16 page addresses for each of the 64 channels DMA buffer in and out
188    (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
189 #define HDSPM_pageAddressBufferOut       8192
190 #define HDSPM_pageAddressBufferIn        (HDSPM_pageAddressBufferOut+64*16*4)
191 
192 #define HDSPM_MADI_mixerBase    32768	/* 32768-65535 for 2x64x64 Fader */
193 
194 #define HDSPM_MATRIX_MIXER_SIZE  8192	/* = 2*64*64 * 4 Byte => 32kB */
195 
196 /* --- Read registers. ---
197    These are defined as byte-offsets from the iobase value */
198 #define HDSPM_statusRegister    0
199 /*#define HDSPM_statusRegister2  96 */
200 /* after RME Windows driver sources, status2 is 4-byte word # 48 = word at
201  * offset 192, for AES32 *and* MADI
202  * => need to check that offset 192 is working on MADI */
203 #define HDSPM_statusRegister2  192
204 #define HDSPM_timecodeRegister 128
205 
206 /* AIO, RayDAT */
207 #define HDSPM_RD_STATUS_0 0
208 #define HDSPM_RD_STATUS_1 64
209 #define HDSPM_RD_STATUS_2 128
210 #define HDSPM_RD_STATUS_3 192
211 
212 #define HDSPM_RD_TCO           256
213 #define HDSPM_RD_PLL_FREQ      512
214 #define HDSPM_WR_TCO           128
215 
216 #define HDSPM_TCO1_TCO_lock			0x00000001
217 #define HDSPM_TCO1_WCK_Input_Range_LSB		0x00000002
218 #define HDSPM_TCO1_WCK_Input_Range_MSB		0x00000004
219 #define HDSPM_TCO1_LTC_Input_valid		0x00000008
220 #define HDSPM_TCO1_WCK_Input_valid		0x00000010
221 #define HDSPM_TCO1_Video_Input_Format_NTSC	0x00000020
222 #define HDSPM_TCO1_Video_Input_Format_PAL	0x00000040
223 
224 #define HDSPM_TCO1_set_TC			0x00000100
225 #define HDSPM_TCO1_set_drop_frame_flag		0x00000200
226 #define HDSPM_TCO1_LTC_Format_LSB		0x00000400
227 #define HDSPM_TCO1_LTC_Format_MSB		0x00000800
228 
229 #define HDSPM_TCO2_TC_run			0x00010000
230 #define HDSPM_TCO2_WCK_IO_ratio_LSB		0x00020000
231 #define HDSPM_TCO2_WCK_IO_ratio_MSB		0x00040000
232 #define HDSPM_TCO2_set_num_drop_frames_LSB	0x00080000
233 #define HDSPM_TCO2_set_num_drop_frames_MSB	0x00100000
234 #define HDSPM_TCO2_set_jam_sync			0x00200000
235 #define HDSPM_TCO2_set_flywheel			0x00400000
236 
237 #define HDSPM_TCO2_set_01_4			0x01000000
238 #define HDSPM_TCO2_set_pull_down		0x02000000
239 #define HDSPM_TCO2_set_pull_up			0x04000000
240 #define HDSPM_TCO2_set_freq			0x08000000
241 #define HDSPM_TCO2_set_term_75R			0x10000000
242 #define HDSPM_TCO2_set_input_LSB		0x20000000
243 #define HDSPM_TCO2_set_input_MSB		0x40000000
244 #define HDSPM_TCO2_set_freq_from_app		0x80000000
245 
246 
247 #define HDSPM_midiDataOut0    352
248 #define HDSPM_midiDataOut1    356
249 #define HDSPM_midiDataOut2    368
250 
251 #define HDSPM_midiDataIn0     360
252 #define HDSPM_midiDataIn1     364
253 #define HDSPM_midiDataIn2     372
254 #define HDSPM_midiDataIn3     376
255 
256 /* status is data bytes in MIDI-FIFO (0-128) */
257 #define HDSPM_midiStatusOut0  384
258 #define HDSPM_midiStatusOut1  388
259 #define HDSPM_midiStatusOut2  400
260 
261 #define HDSPM_midiStatusIn0   392
262 #define HDSPM_midiStatusIn1   396
263 #define HDSPM_midiStatusIn2   404
264 #define HDSPM_midiStatusIn3   408
265 
266 
267 /* the meters are regular i/o-mapped registers, but offset
268    considerably from the rest. the peak registers are reset
269    when read; the least-significant 4 bits are full-scale counters;
270    the actual peak value is in the most-significant 24 bits.
271 */
272 
273 #define HDSPM_MADI_INPUT_PEAK		4096
274 #define HDSPM_MADI_PLAYBACK_PEAK	4352
275 #define HDSPM_MADI_OUTPUT_PEAK		4608
276 
277 #define HDSPM_MADI_INPUT_RMS_L		6144
278 #define HDSPM_MADI_PLAYBACK_RMS_L	6400
279 #define HDSPM_MADI_OUTPUT_RMS_L		6656
280 
281 #define HDSPM_MADI_INPUT_RMS_H		7168
282 #define HDSPM_MADI_PLAYBACK_RMS_H	7424
283 #define HDSPM_MADI_OUTPUT_RMS_H		7680
284 
285 /* --- Control Register bits --------- */
286 #define HDSPM_Start                (1<<0) /* start engine */
287 
288 #define HDSPM_Latency0             (1<<1) /* buffer size = 2^n */
289 #define HDSPM_Latency1             (1<<2) /* where n is defined */
290 #define HDSPM_Latency2             (1<<3) /* by Latency{2,1,0} */
291 
292 #define HDSPM_ClockModeMaster      (1<<4) /* 1=Master, 0=Autosync */
293 #define HDSPM_c0Master		0x1    /* Master clock bit in settings
294 					  register [RayDAT, AIO] */
295 
296 #define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */
297 
298 #define HDSPM_Frequency0  (1<<6)  /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
299 #define HDSPM_Frequency1  (1<<7)  /* 0=32kHz/64kHz */
300 #define HDSPM_DoubleSpeed (1<<8)  /* 0=normal speed, 1=double speed */
301 #define HDSPM_QuadSpeed   (1<<31) /* quad speed bit */
302 
303 #define HDSPM_Professional (1<<9) /* Professional */ /* AES32 ONLY */
304 #define HDSPM_TX_64ch     (1<<10) /* Output 64channel MODE=1,
305 				     56channelMODE=0 */ /* MADI ONLY*/
306 #define HDSPM_Emphasis    (1<<10) /* Emphasis */ /* AES32 ONLY */
307 
308 #define HDSPM_AutoInp     (1<<11) /* Auto Input (takeover) == Safe Mode,
309                                      0=off, 1=on  */ /* MADI ONLY */
310 #define HDSPM_Dolby       (1<<11) /* Dolby = "NonAudio" ?? */ /* AES32 ONLY */
311 
312 #define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax
313 				    * -- MADI ONLY
314 				    */
315 #define HDSPM_InputSelect1 (1<<15) /* should be 0 */
316 
317 #define HDSPM_SyncRef2     (1<<13)
318 #define HDSPM_SyncRef3     (1<<25)
319 
320 #define HDSPM_SMUX         (1<<18) /* Frame ??? */ /* MADI ONY */
321 #define HDSPM_clr_tms      (1<<19) /* clear track marker, do not use
322                                       AES additional bits in
323 				      lower 5 Audiodatabits ??? */
324 #define HDSPM_taxi_reset   (1<<20) /* ??? */ /* MADI ONLY ? */
325 #define HDSPM_WCK48        (1<<20) /* Frame ??? = HDSPM_SMUX */ /* AES32 ONLY */
326 
327 #define HDSPM_Midi0InterruptEnable 0x0400000
328 #define HDSPM_Midi1InterruptEnable 0x0800000
329 #define HDSPM_Midi2InterruptEnable 0x0200000
330 #define HDSPM_Midi3InterruptEnable 0x4000000
331 
332 #define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */
333 #define HDSPe_FLOAT_FORMAT         0x2000000
334 
335 #define HDSPM_DS_DoubleWire (1<<26) /* AES32 ONLY */
336 #define HDSPM_QS_DoubleWire (1<<27) /* AES32 ONLY */
337 #define HDSPM_QS_QuadWire   (1<<28) /* AES32 ONLY */
338 
339 #define HDSPM_wclk_sel (1<<30)
340 
341 /* additional control register bits for AIO*/
342 #define HDSPM_c0_Wck48				0x20 /* also RayDAT */
343 #define HDSPM_c0_Input0				0x1000
344 #define HDSPM_c0_Input1				0x2000
345 #define HDSPM_c0_Spdif_Opt			0x4000
346 #define HDSPM_c0_Pro				0x8000
347 #define HDSPM_c0_clr_tms			0x10000
348 #define HDSPM_c0_AEB1				0x20000
349 #define HDSPM_c0_AEB2				0x40000
350 #define HDSPM_c0_LineOut			0x80000
351 #define HDSPM_c0_AD_GAIN0			0x100000
352 #define HDSPM_c0_AD_GAIN1			0x200000
353 #define HDSPM_c0_DA_GAIN0			0x400000
354 #define HDSPM_c0_DA_GAIN1			0x800000
355 #define HDSPM_c0_PH_GAIN0			0x1000000
356 #define HDSPM_c0_PH_GAIN1			0x2000000
357 #define HDSPM_c0_Sym6db				0x4000000
358 
359 
360 /* --- bit helper defines */
361 #define HDSPM_LatencyMask    (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
362 #define HDSPM_FrequencyMask  (HDSPM_Frequency0|HDSPM_Frequency1|\
363 			      HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
364 #define HDSPM_InputMask      (HDSPM_InputSelect0|HDSPM_InputSelect1)
365 #define HDSPM_InputOptical   0
366 #define HDSPM_InputCoaxial   (HDSPM_InputSelect0)
367 #define HDSPM_SyncRefMask    (HDSPM_SyncRef0|HDSPM_SyncRef1|\
368 			      HDSPM_SyncRef2|HDSPM_SyncRef3)
369 
370 #define HDSPM_c0_SyncRef0      0x2
371 #define HDSPM_c0_SyncRef1      0x4
372 #define HDSPM_c0_SyncRef2      0x8
373 #define HDSPM_c0_SyncRef3      0x10
374 #define HDSPM_c0_SyncRefMask   (HDSPM_c0_SyncRef0 | HDSPM_c0_SyncRef1 |\
375 				HDSPM_c0_SyncRef2 | HDSPM_c0_SyncRef3)
376 
377 #define HDSPM_SYNC_FROM_WORD    0	/* Preferred sync reference */
378 #define HDSPM_SYNC_FROM_MADI    1	/* choices - used by "pref_sync_ref" */
379 #define HDSPM_SYNC_FROM_TCO     2
380 #define HDSPM_SYNC_FROM_SYNC_IN 3
381 
382 #define HDSPM_Frequency32KHz    HDSPM_Frequency0
383 #define HDSPM_Frequency44_1KHz  HDSPM_Frequency1
384 #define HDSPM_Frequency48KHz   (HDSPM_Frequency1|HDSPM_Frequency0)
385 #define HDSPM_Frequency64KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency0)
386 #define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
387 #define HDSPM_Frequency96KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency1|\
388 				HDSPM_Frequency0)
389 #define HDSPM_Frequency128KHz   (HDSPM_QuadSpeed|HDSPM_Frequency0)
390 #define HDSPM_Frequency176_4KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1)
391 #define HDSPM_Frequency192KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1|\
392 				 HDSPM_Frequency0)
393 
394 
395 /* Synccheck Status */
396 #define HDSPM_SYNC_CHECK_NO_LOCK 0
397 #define HDSPM_SYNC_CHECK_LOCK    1
398 #define HDSPM_SYNC_CHECK_SYNC	 2
399 
400 /* AutoSync References - used by "autosync_ref" control switch */
401 #define HDSPM_AUTOSYNC_FROM_WORD      0
402 #define HDSPM_AUTOSYNC_FROM_MADI      1
403 #define HDSPM_AUTOSYNC_FROM_TCO       2
404 #define HDSPM_AUTOSYNC_FROM_SYNC_IN   3
405 #define HDSPM_AUTOSYNC_FROM_NONE      4
406 
407 /* Possible sources of MADI input */
408 #define HDSPM_OPTICAL 0		/* optical   */
409 #define HDSPM_COAXIAL 1		/* BNC */
410 
411 #define hdspm_encode_latency(x)       (((x)<<1) & HDSPM_LatencyMask)
412 #define hdspm_decode_latency(x)       ((((x) & HDSPM_LatencyMask)>>1))
413 
414 #define hdspm_encode_in(x) (((x)&0x3)<<14)
415 #define hdspm_decode_in(x) (((x)>>14)&0x3)
416 
417 /* --- control2 register bits --- */
418 #define HDSPM_TMS             (1<<0)
419 #define HDSPM_TCK             (1<<1)
420 #define HDSPM_TDI             (1<<2)
421 #define HDSPM_JTAG            (1<<3)
422 #define HDSPM_PWDN            (1<<4)
423 #define HDSPM_PROGRAM	      (1<<5)
424 #define HDSPM_CONFIG_MODE_0   (1<<6)
425 #define HDSPM_CONFIG_MODE_1   (1<<7)
426 /*#define HDSPM_VERSION_BIT     (1<<8) not defined any more*/
427 #define HDSPM_BIGENDIAN_MODE  (1<<9)
428 #define HDSPM_RD_MULTIPLE     (1<<10)
429 
430 /* --- Status Register bits --- */ /* MADI ONLY */ /* Bits defined here and
431      that do not conflict with specific bits for AES32 seem to be valid also
432      for the AES32
433  */
434 #define HDSPM_audioIRQPending    (1<<0)	/* IRQ is high and pending */
435 #define HDSPM_RX_64ch            (1<<1)	/* Input 64chan. MODE=1, 56chn MODE=0 */
436 #define HDSPM_AB_int             (1<<2)	/* InputChannel Opt=0, Coax=1
437 					 * (like inp0)
438 					 */
439 
440 #define HDSPM_madiLock           (1<<3)	/* MADI Locked =1, no=0 */
441 #define HDSPM_madiSync          (1<<18) /* MADI is in sync */
442 
443 #define HDSPM_tcoLockMadi    0x00000020 /* Optional TCO locked status for HDSPe MADI*/
444 #define HDSPM_tcoSync    0x10000000 /* Optional TCO sync status for HDSPe MADI and AES32!*/
445 
446 #define HDSPM_syncInLock 0x00010000 /* Sync In lock status for HDSPe MADI! */
447 #define HDSPM_syncInSync 0x00020000 /* Sync In sync status for HDSPe MADI! */
448 
449 #define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
450 			/* since 64byte accurate, last 6 bits are not used */
451 
452 
453 
454 #define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */
455 
456 #define HDSPM_madiFreq0         (1<<22)	/* system freq 0=error */
457 #define HDSPM_madiFreq1         (1<<23)	/* 1=32, 2=44.1 3=48 */
458 #define HDSPM_madiFreq2         (1<<24)	/* 4=64, 5=88.2 6=96 */
459 #define HDSPM_madiFreq3         (1<<25)	/* 7=128, 8=176.4 9=192 */
460 
461 #define HDSPM_BufferID          (1<<26)	/* (Double)Buffer ID toggles with
462 					 * Interrupt
463 					 */
464 #define HDSPM_tco_detect         0x08000000
465 #define HDSPM_tcoLockAes         0x20000000 /* Optional TCO locked status for HDSPe AES */
466 
467 #define HDSPM_s2_tco_detect      0x00000040
468 #define HDSPM_s2_AEBO_D          0x00000080
469 #define HDSPM_s2_AEBI_D          0x00000100
470 
471 
472 #define HDSPM_midi0IRQPending    0x40000000
473 #define HDSPM_midi1IRQPending    0x80000000
474 #define HDSPM_midi2IRQPending    0x20000000
475 #define HDSPM_midi2IRQPendingAES 0x00000020
476 #define HDSPM_midi3IRQPending    0x00200000
477 
478 /* --- status bit helpers */
479 #define HDSPM_madiFreqMask  (HDSPM_madiFreq0|HDSPM_madiFreq1|\
480 			     HDSPM_madiFreq2|HDSPM_madiFreq3)
481 #define HDSPM_madiFreq32    (HDSPM_madiFreq0)
482 #define HDSPM_madiFreq44_1  (HDSPM_madiFreq1)
483 #define HDSPM_madiFreq48    (HDSPM_madiFreq0|HDSPM_madiFreq1)
484 #define HDSPM_madiFreq64    (HDSPM_madiFreq2)
485 #define HDSPM_madiFreq88_2  (HDSPM_madiFreq0|HDSPM_madiFreq2)
486 #define HDSPM_madiFreq96    (HDSPM_madiFreq1|HDSPM_madiFreq2)
487 #define HDSPM_madiFreq128   (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
488 #define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
489 #define HDSPM_madiFreq192   (HDSPM_madiFreq3|HDSPM_madiFreq0)
490 
491 /* Status2 Register bits */ /* MADI ONLY */
492 
493 #define HDSPM_version0 (1<<0)	/* not really defined but I guess */
494 #define HDSPM_version1 (1<<1)	/* in former cards it was ??? */
495 #define HDSPM_version2 (1<<2)
496 
497 #define HDSPM_wcLock (1<<3)	/* Wordclock is detected and locked */
498 #define HDSPM_wcSync (1<<4)	/* Wordclock is in sync with systemclock */
499 
500 #define HDSPM_wc_freq0 (1<<5)	/* input freq detected via autosync  */
501 #define HDSPM_wc_freq1 (1<<6)	/* 001=32, 010==44.1, 011=48, */
502 #define HDSPM_wc_freq2 (1<<7)	/* 100=64, 101=88.2, 110=96, 111=128 */
503 #define HDSPM_wc_freq3 0x800	/* 1000=176.4, 1001=192 */
504 
505 #define HDSPM_SyncRef0 0x10000  /* Sync Reference */
506 #define HDSPM_SyncRef1 0x20000
507 
508 #define HDSPM_SelSyncRef0 (1<<8)	/* AutoSync Source */
509 #define HDSPM_SelSyncRef1 (1<<9)	/* 000=word, 001=MADI, */
510 #define HDSPM_SelSyncRef2 (1<<10)	/* 111=no valid signal */
511 
512 #define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)
513 
514 #define HDSPM_wcFreqMask  (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2|\
515 			    HDSPM_wc_freq3)
516 #define HDSPM_wcFreq32    (HDSPM_wc_freq0)
517 #define HDSPM_wcFreq44_1  (HDSPM_wc_freq1)
518 #define HDSPM_wcFreq48    (HDSPM_wc_freq0|HDSPM_wc_freq1)
519 #define HDSPM_wcFreq64    (HDSPM_wc_freq2)
520 #define HDSPM_wcFreq88_2  (HDSPM_wc_freq0|HDSPM_wc_freq2)
521 #define HDSPM_wcFreq96    (HDSPM_wc_freq1|HDSPM_wc_freq2)
522 #define HDSPM_wcFreq128   (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
523 #define HDSPM_wcFreq176_4 (HDSPM_wc_freq3)
524 #define HDSPM_wcFreq192   (HDSPM_wc_freq0|HDSPM_wc_freq3)
525 
526 #define HDSPM_status1_F_0 0x0400000
527 #define HDSPM_status1_F_1 0x0800000
528 #define HDSPM_status1_F_2 0x1000000
529 #define HDSPM_status1_F_3 0x2000000
530 #define HDSPM_status1_freqMask (HDSPM_status1_F_0|HDSPM_status1_F_1|HDSPM_status1_F_2|HDSPM_status1_F_3)
531 
532 
533 #define HDSPM_SelSyncRefMask       (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
534 				    HDSPM_SelSyncRef2)
535 #define HDSPM_SelSyncRef_WORD      0
536 #define HDSPM_SelSyncRef_MADI      (HDSPM_SelSyncRef0)
537 #define HDSPM_SelSyncRef_TCO       (HDSPM_SelSyncRef1)
538 #define HDSPM_SelSyncRef_SyncIn    (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1)
539 #define HDSPM_SelSyncRef_NVALID    (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
540 				    HDSPM_SelSyncRef2)
541 
542 /*
543    For AES32, bits for status, status2 and timecode are different
544 */
545 /* status */
546 #define HDSPM_AES32_wcLock	0x0200000
547 #define HDSPM_AES32_wcSync	0x0100000
548 #define HDSPM_AES32_wcFreq_bit  22
549 /* (status >> HDSPM_AES32_wcFreq_bit) & 0xF gives WC frequency (cf function
550   HDSPM_bit2freq */
551 #define HDSPM_AES32_syncref_bit  16
552 /* (status >> HDSPM_AES32_syncref_bit) & 0xF gives sync source */
553 
554 #define HDSPM_AES32_AUTOSYNC_FROM_WORD 0
555 #define HDSPM_AES32_AUTOSYNC_FROM_AES1 1
556 #define HDSPM_AES32_AUTOSYNC_FROM_AES2 2
557 #define HDSPM_AES32_AUTOSYNC_FROM_AES3 3
558 #define HDSPM_AES32_AUTOSYNC_FROM_AES4 4
559 #define HDSPM_AES32_AUTOSYNC_FROM_AES5 5
560 #define HDSPM_AES32_AUTOSYNC_FROM_AES6 6
561 #define HDSPM_AES32_AUTOSYNC_FROM_AES7 7
562 #define HDSPM_AES32_AUTOSYNC_FROM_AES8 8
563 #define HDSPM_AES32_AUTOSYNC_FROM_TCO 9
564 #define HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN 10
565 #define HDSPM_AES32_AUTOSYNC_FROM_NONE 11
566 
567 /*  status2 */
568 /* HDSPM_LockAES_bit is given by HDSPM_LockAES >> (AES# - 1) */
569 #define HDSPM_LockAES   0x80
570 #define HDSPM_LockAES1  0x80
571 #define HDSPM_LockAES2  0x40
572 #define HDSPM_LockAES3  0x20
573 #define HDSPM_LockAES4  0x10
574 #define HDSPM_LockAES5  0x8
575 #define HDSPM_LockAES6  0x4
576 #define HDSPM_LockAES7  0x2
577 #define HDSPM_LockAES8  0x1
578 /*
579    Timecode
580    After windows driver sources, bits 4*i to 4*i+3 give the input frequency on
581    AES i+1
582  bits 3210
583       0001  32kHz
584       0010  44.1kHz
585       0011  48kHz
586       0100  64kHz
587       0101  88.2kHz
588       0110  96kHz
589       0111  128kHz
590       1000  176.4kHz
591       1001  192kHz
592   NB: Timecode register doesn't seem to work on AES32 card revision 230
593 */
594 
595 /* Mixer Values */
596 #define UNITY_GAIN          32768	/* = 65536/2 */
597 #define MINUS_INFINITY_GAIN 0
598 
599 /* Number of channels for different Speed Modes */
600 #define MADI_SS_CHANNELS       64
601 #define MADI_DS_CHANNELS       32
602 #define MADI_QS_CHANNELS       16
603 
604 #define RAYDAT_SS_CHANNELS     36
605 #define RAYDAT_DS_CHANNELS     20
606 #define RAYDAT_QS_CHANNELS     12
607 
608 #define AIO_IN_SS_CHANNELS        14
609 #define AIO_IN_DS_CHANNELS        10
610 #define AIO_IN_QS_CHANNELS        8
611 #define AIO_OUT_SS_CHANNELS        16
612 #define AIO_OUT_DS_CHANNELS        12
613 #define AIO_OUT_QS_CHANNELS        10
614 
615 #define AES32_CHANNELS		16
616 
617 /* the size of a substream (1 mono data stream) */
618 #define HDSPM_CHANNEL_BUFFER_SAMPLES  (16*1024)
619 #define HDSPM_CHANNEL_BUFFER_BYTES    (4*HDSPM_CHANNEL_BUFFER_SAMPLES)
620 
621 /* the size of the area we need to allocate for DMA transfers. the
622    size is the same regardless of the number of channels, and
623    also the latency to use.
624    for one direction !!!
625 */
626 #define HDSPM_DMA_AREA_BYTES (HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
627 #define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)
628 
629 #define HDSPM_RAYDAT_REV	211
630 #define HDSPM_AIO_REV		212
631 #define HDSPM_MADIFACE_REV	213
632 
633 /* speed factor modes */
634 #define HDSPM_SPEED_SINGLE 0
635 #define HDSPM_SPEED_DOUBLE 1
636 #define HDSPM_SPEED_QUAD   2
637 
638 /* names for speed modes */
639 static const char * const hdspm_speed_names[] = { "single", "double", "quad" };
640 
641 static const char *const texts_autosync_aes_tco[] = { "Word Clock",
642 					  "AES1", "AES2", "AES3", "AES4",
643 					  "AES5", "AES6", "AES7", "AES8",
644 					  "TCO", "Sync In"
645 };
646 static const char *const texts_autosync_aes[] = { "Word Clock",
647 				      "AES1", "AES2", "AES3", "AES4",
648 				      "AES5", "AES6", "AES7", "AES8",
649 				      "Sync In"
650 };
651 static const char *const texts_autosync_madi_tco[] = { "Word Clock",
652 					   "MADI", "TCO", "Sync In" };
653 static const char *const texts_autosync_madi[] = { "Word Clock",
654 				       "MADI", "Sync In" };
655 
656 static const char *const texts_autosync_raydat_tco[] = {
657 	"Word Clock",
658 	"ADAT 1", "ADAT 2", "ADAT 3", "ADAT 4",
659 	"AES", "SPDIF", "TCO", "Sync In"
660 };
661 static const char *const texts_autosync_raydat[] = {
662 	"Word Clock",
663 	"ADAT 1", "ADAT 2", "ADAT 3", "ADAT 4",
664 	"AES", "SPDIF", "Sync In"
665 };
666 static const char *const texts_autosync_aio_tco[] = {
667 	"Word Clock",
668 	"ADAT", "AES", "SPDIF", "TCO", "Sync In"
669 };
670 static const char *const texts_autosync_aio[] = { "Word Clock",
671 				      "ADAT", "AES", "SPDIF", "Sync In" };
672 
673 static const char *const texts_freq[] = {
674 	"No Lock",
675 	"32 kHz",
676 	"44.1 kHz",
677 	"48 kHz",
678 	"64 kHz",
679 	"88.2 kHz",
680 	"96 kHz",
681 	"128 kHz",
682 	"176.4 kHz",
683 	"192 kHz"
684 };
685 
686 static const char * const texts_ports_madi[] = {
687 	"MADI.1", "MADI.2", "MADI.3", "MADI.4", "MADI.5", "MADI.6",
688 	"MADI.7", "MADI.8", "MADI.9", "MADI.10", "MADI.11", "MADI.12",
689 	"MADI.13", "MADI.14", "MADI.15", "MADI.16", "MADI.17", "MADI.18",
690 	"MADI.19", "MADI.20", "MADI.21", "MADI.22", "MADI.23", "MADI.24",
691 	"MADI.25", "MADI.26", "MADI.27", "MADI.28", "MADI.29", "MADI.30",
692 	"MADI.31", "MADI.32", "MADI.33", "MADI.34", "MADI.35", "MADI.36",
693 	"MADI.37", "MADI.38", "MADI.39", "MADI.40", "MADI.41", "MADI.42",
694 	"MADI.43", "MADI.44", "MADI.45", "MADI.46", "MADI.47", "MADI.48",
695 	"MADI.49", "MADI.50", "MADI.51", "MADI.52", "MADI.53", "MADI.54",
696 	"MADI.55", "MADI.56", "MADI.57", "MADI.58", "MADI.59", "MADI.60",
697 	"MADI.61", "MADI.62", "MADI.63", "MADI.64",
698 };
699 
700 
701 static const char * const texts_ports_raydat_ss[] = {
702 	"ADAT1.1", "ADAT1.2", "ADAT1.3", "ADAT1.4", "ADAT1.5", "ADAT1.6",
703 	"ADAT1.7", "ADAT1.8", "ADAT2.1", "ADAT2.2", "ADAT2.3", "ADAT2.4",
704 	"ADAT2.5", "ADAT2.6", "ADAT2.7", "ADAT2.8", "ADAT3.1", "ADAT3.2",
705 	"ADAT3.3", "ADAT3.4", "ADAT3.5", "ADAT3.6", "ADAT3.7", "ADAT3.8",
706 	"ADAT4.1", "ADAT4.2", "ADAT4.3", "ADAT4.4", "ADAT4.5", "ADAT4.6",
707 	"ADAT4.7", "ADAT4.8",
708 	"AES.L", "AES.R",
709 	"SPDIF.L", "SPDIF.R"
710 };
711 
712 static const char * const texts_ports_raydat_ds[] = {
713 	"ADAT1.1", "ADAT1.2", "ADAT1.3", "ADAT1.4",
714 	"ADAT2.1", "ADAT2.2", "ADAT2.3", "ADAT2.4",
715 	"ADAT3.1", "ADAT3.2", "ADAT3.3", "ADAT3.4",
716 	"ADAT4.1", "ADAT4.2", "ADAT4.3", "ADAT4.4",
717 	"AES.L", "AES.R",
718 	"SPDIF.L", "SPDIF.R"
719 };
720 
721 static const char * const texts_ports_raydat_qs[] = {
722 	"ADAT1.1", "ADAT1.2",
723 	"ADAT2.1", "ADAT2.2",
724 	"ADAT3.1", "ADAT3.2",
725 	"ADAT4.1", "ADAT4.2",
726 	"AES.L", "AES.R",
727 	"SPDIF.L", "SPDIF.R"
728 };
729 
730 
731 static const char * const texts_ports_aio_in_ss[] = {
732 	"Analogue.L", "Analogue.R",
733 	"AES.L", "AES.R",
734 	"SPDIF.L", "SPDIF.R",
735 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4", "ADAT.5", "ADAT.6",
736 	"ADAT.7", "ADAT.8",
737 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
738 };
739 
740 static const char * const texts_ports_aio_out_ss[] = {
741 	"Analogue.L", "Analogue.R",
742 	"AES.L", "AES.R",
743 	"SPDIF.L", "SPDIF.R",
744 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4", "ADAT.5", "ADAT.6",
745 	"ADAT.7", "ADAT.8",
746 	"Phone.L", "Phone.R",
747 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
748 };
749 
750 static const char * const texts_ports_aio_in_ds[] = {
751 	"Analogue.L", "Analogue.R",
752 	"AES.L", "AES.R",
753 	"SPDIF.L", "SPDIF.R",
754 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
755 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
756 };
757 
758 static const char * const texts_ports_aio_out_ds[] = {
759 	"Analogue.L", "Analogue.R",
760 	"AES.L", "AES.R",
761 	"SPDIF.L", "SPDIF.R",
762 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
763 	"Phone.L", "Phone.R",
764 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
765 };
766 
767 static const char * const texts_ports_aio_in_qs[] = {
768 	"Analogue.L", "Analogue.R",
769 	"AES.L", "AES.R",
770 	"SPDIF.L", "SPDIF.R",
771 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
772 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
773 };
774 
775 static const char * const texts_ports_aio_out_qs[] = {
776 	"Analogue.L", "Analogue.R",
777 	"AES.L", "AES.R",
778 	"SPDIF.L", "SPDIF.R",
779 	"ADAT.1", "ADAT.2", "ADAT.3", "ADAT.4",
780 	"Phone.L", "Phone.R",
781 	"AEB.1", "AEB.2", "AEB.3", "AEB.4"
782 };
783 
784 static const char * const texts_ports_aes32[] = {
785 	"AES.1", "AES.2", "AES.3", "AES.4", "AES.5", "AES.6", "AES.7",
786 	"AES.8", "AES.9.", "AES.10", "AES.11", "AES.12", "AES.13", "AES.14",
787 	"AES.15", "AES.16"
788 };
789 
790 /* These tables map the ALSA channels 1..N to the channels that we
791    need to use in order to find the relevant channel buffer. RME
792    refers to this kind of mapping as between "the ADAT channel and
793    the DMA channel." We index it using the logical audio channel,
794    and the value is the DMA channel (i.e. channel buffer number)
795    where the data for that channel can be read/written from/to.
796 */
797 
798 static const char channel_map_unity_ss[HDSPM_MAX_CHANNELS] = {
799 	0, 1, 2, 3, 4, 5, 6, 7,
800 	8, 9, 10, 11, 12, 13, 14, 15,
801 	16, 17, 18, 19, 20, 21, 22, 23,
802 	24, 25, 26, 27, 28, 29, 30, 31,
803 	32, 33, 34, 35, 36, 37, 38, 39,
804 	40, 41, 42, 43, 44, 45, 46, 47,
805 	48, 49, 50, 51, 52, 53, 54, 55,
806 	56, 57, 58, 59, 60, 61, 62, 63
807 };
808 
809 static const char channel_map_raydat_ss[HDSPM_MAX_CHANNELS] = {
810 	4, 5, 6, 7, 8, 9, 10, 11,	/* ADAT 1 */
811 	12, 13, 14, 15, 16, 17, 18, 19,	/* ADAT 2 */
812 	20, 21, 22, 23, 24, 25, 26, 27,	/* ADAT 3 */
813 	28, 29, 30, 31, 32, 33, 34, 35,	/* ADAT 4 */
814 	0, 1,			/* AES */
815 	2, 3,			/* SPDIF */
816 	-1, -1, -1, -1,
817 	-1, -1, -1, -1, -1, -1, -1, -1,
818 	-1, -1, -1, -1, -1, -1, -1, -1,
819 	-1, -1, -1, -1, -1, -1, -1, -1,
820 };
821 
822 static const char channel_map_raydat_ds[HDSPM_MAX_CHANNELS] = {
823 	4, 5, 6, 7,		/* ADAT 1 */
824 	8, 9, 10, 11,		/* ADAT 2 */
825 	12, 13, 14, 15,		/* ADAT 3 */
826 	16, 17, 18, 19,		/* ADAT 4 */
827 	0, 1,			/* AES */
828 	2, 3,			/* SPDIF */
829 	-1, -1, -1, -1,
830 	-1, -1, -1, -1, -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 };
836 
837 static const char channel_map_raydat_qs[HDSPM_MAX_CHANNELS] = {
838 	4, 5,			/* ADAT 1 */
839 	6, 7,			/* ADAT 2 */
840 	8, 9,			/* ADAT 3 */
841 	10, 11,			/* ADAT 4 */
842 	0, 1,			/* AES */
843 	2, 3,			/* SPDIF */
844 	-1, -1, -1, -1,
845 	-1, -1, -1, -1, -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 };
852 
853 static const char channel_map_aio_in_ss[HDSPM_MAX_CHANNELS] = {
854 	0, 1,			/* line in */
855 	8, 9,			/* aes in, */
856 	10, 11,			/* spdif in */
857 	12, 13, 14, 15, 16, 17, 18, 19,	/* ADAT in */
858 	2, 3, 4, 5,		/* AEB */
859 	-1, -1, -1, -1, -1, -1,
860 	-1, -1, -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 };
866 
867 static const char channel_map_aio_out_ss[HDSPM_MAX_CHANNELS] = {
868 	0, 1,			/* line out */
869 	8, 9,			/* aes out */
870 	10, 11,			/* spdif out */
871 	12, 13, 14, 15, 16, 17, 18, 19,	/* ADAT out */
872 	6, 7,			/* phone out */
873 	2, 3, 4, 5,		/* AEB */
874 	-1, -1, -1, -1,
875 	-1, -1, -1, -1, -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 };
881 
882 static const char channel_map_aio_in_ds[HDSPM_MAX_CHANNELS] = {
883 	0, 1,			/* line in */
884 	8, 9,			/* aes in */
885 	10, 11,			/* spdif in */
886 	12, 14, 16, 18,		/* adat in */
887 	2, 3, 4, 5,		/* AEB */
888 	-1, -1,
889 	-1, -1, -1, -1, -1, -1, -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 };
896 
897 static const char channel_map_aio_out_ds[HDSPM_MAX_CHANNELS] = {
898 	0, 1,			/* line out */
899 	8, 9,			/* aes out */
900 	10, 11,			/* spdif out */
901 	12, 14, 16, 18,		/* adat out */
902 	6, 7,			/* phone out */
903 	2, 3, 4, 5,		/* AEB */
904 	-1, -1, -1, -1, -1, -1, -1, -1,
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 };
911 
912 static const char channel_map_aio_in_qs[HDSPM_MAX_CHANNELS] = {
913 	0, 1,			/* line in */
914 	8, 9,			/* aes in */
915 	10, 11,			/* spdif in */
916 	12, 16,			/* adat in */
917 	2, 3, 4, 5,		/* AEB */
918 	-1, -1, -1, -1,
919 	-1, -1, -1, -1, -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 };
926 
927 static const char channel_map_aio_out_qs[HDSPM_MAX_CHANNELS] = {
928 	0, 1,			/* line out */
929 	8, 9,			/* aes out */
930 	10, 11,			/* spdif out */
931 	12, 16,			/* adat out */
932 	6, 7,			/* phone out */
933 	2, 3, 4, 5,		/* AEB */
934 	-1, -1,
935 	-1, -1, -1, -1, -1, -1, -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 };
942 
943 static const char channel_map_aes32[HDSPM_MAX_CHANNELS] = {
944 	0, 1, 2, 3, 4, 5, 6, 7,
945 	8, 9, 10, 11, 12, 13, 14, 15,
946 	-1, -1, -1, -1, -1, -1, -1, -1,
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 };
953 
954 struct hdspm_midi {
955 	struct hdspm *hdspm;
956 	int id;
957 	struct snd_rawmidi *rmidi;
958 	struct snd_rawmidi_substream *input;
959 	struct snd_rawmidi_substream *output;
960 	char istimer;		/* timer in use */
961 	struct timer_list timer;
962 	spinlock_t lock;
963 	int pending;
964 	int dataIn;
965 	int statusIn;
966 	int dataOut;
967 	int statusOut;
968 	int ie;
969 	int irq;
970 };
971 
972 struct hdspm_tco {
973 	int input; /* 0: LTC, 1:Video, 2: WC*/
974 	int framerate; /* 0=24, 1=25, 2=29.97, 3=29.97d, 4=30, 5=30d */
975 	int wordclock; /* 0=1:1, 1=44.1->48, 2=48->44.1 */
976 	int samplerate; /* 0=44.1, 1=48, 2= freq from app */
977 	int pull; /*   0=0, 1=+0.1%, 2=-0.1%, 3=+4%, 4=-4%*/
978 	int term; /* 0 = off, 1 = on */
979 };
980 
981 struct hdspm {
982         spinlock_t lock;
983 	/* only one playback and/or capture stream */
984         struct snd_pcm_substream *capture_substream;
985         struct snd_pcm_substream *playback_substream;
986 
987 	char *card_name;	     /* for procinfo */
988 	unsigned short firmware_rev; /* dont know if relevant (yes if AES32)*/
989 
990 	uint8_t io_type;
991 
992 	int monitor_outs;	/* set up monitoring outs init flag */
993 
994 	u32 control_register;	/* cached value */
995 	u32 control2_register;	/* cached value */
996 	u32 settings_register;  /* cached value for AIO / RayDat (sync reference, master/slave) */
997 
998 	struct hdspm_midi midi[4];
999 	struct work_struct midi_work;
1000 
1001 	size_t period_bytes;
1002 	unsigned char ss_in_channels;
1003 	unsigned char ds_in_channels;
1004 	unsigned char qs_in_channels;
1005 	unsigned char ss_out_channels;
1006 	unsigned char ds_out_channels;
1007 	unsigned char qs_out_channels;
1008 
1009 	unsigned char max_channels_in;
1010 	unsigned char max_channels_out;
1011 
1012 	const signed char *channel_map_in;
1013 	const signed char *channel_map_out;
1014 
1015 	const signed char *channel_map_in_ss, *channel_map_in_ds, *channel_map_in_qs;
1016 	const signed char *channel_map_out_ss, *channel_map_out_ds, *channel_map_out_qs;
1017 
1018 	const char * const *port_names_in;
1019 	const char * const *port_names_out;
1020 
1021 	const char * const *port_names_in_ss;
1022 	const char * const *port_names_in_ds;
1023 	const char * const *port_names_in_qs;
1024 	const char * const *port_names_out_ss;
1025 	const char * const *port_names_out_ds;
1026 	const char * const *port_names_out_qs;
1027 
1028 	unsigned char *playback_buffer;	/* suitably aligned address */
1029 	unsigned char *capture_buffer;	/* suitably aligned address */
1030 
1031 	pid_t capture_pid;	/* process id which uses capture */
1032 	pid_t playback_pid;	/* process id which uses capture */
1033 	int running;		/* running status */
1034 
1035 	int last_external_sample_rate;	/* samplerate mystic ... */
1036 	int last_internal_sample_rate;
1037 	int system_sample_rate;
1038 
1039 	int dev;		/* Hardware vars... */
1040 	int irq;
1041 	unsigned long port;
1042 	void __iomem *iobase;
1043 
1044 	int irq_count;		/* for debug */
1045 	int midiPorts;
1046 
1047 	struct snd_card *card;	/* one card */
1048 	struct snd_pcm *pcm;		/* has one pcm */
1049 	struct snd_hwdep *hwdep;	/* and a hwdep for additional ioctl */
1050 	struct pci_dev *pci;	/* and an pci info */
1051 
1052 	/* Mixer vars */
1053 	/* fast alsa mixer */
1054 	struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
1055 	/* but input to much, so not used */
1056 	struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];
1057 	/* full mixer accessible over mixer ioctl or hwdep-device */
1058 	struct hdspm_mixer *mixer;
1059 
1060 	struct hdspm_tco *tco;  /* NULL if no TCO detected */
1061 
1062 	const char *const *texts_autosync;
1063 	int texts_autosync_items;
1064 
1065 	cycles_t last_interrupt;
1066 
1067 	unsigned int serial;
1068 
1069 	struct hdspm_peak_rms peak_rms;
1070 };
1071 
1072 
1073 static const struct pci_device_id snd_hdspm_ids[] = {
1074 	{
1075 	 .vendor = PCI_VENDOR_ID_XILINX,
1076 	 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
1077 	 .subvendor = PCI_ANY_ID,
1078 	 .subdevice = PCI_ANY_ID,
1079 	 .class = 0,
1080 	 .class_mask = 0,
1081 	 .driver_data = 0},
1082 	{0,}
1083 };
1084 
1085 MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);
1086 
1087 /* prototypes */
1088 static int snd_hdspm_create_alsa_devices(struct snd_card *card,
1089 					 struct hdspm *hdspm);
1090 static int snd_hdspm_create_pcm(struct snd_card *card,
1091 				struct hdspm *hdspm);
1092 
1093 static inline void snd_hdspm_initialize_midi_flush(struct hdspm *hdspm);
1094 static inline int hdspm_get_pll_freq(struct hdspm *hdspm);
1095 static int hdspm_update_simple_mixer_controls(struct hdspm *hdspm);
1096 static int hdspm_autosync_ref(struct hdspm *hdspm);
1097 static int hdspm_set_toggle_setting(struct hdspm *hdspm, u32 regmask, int out);
1098 static int snd_hdspm_set_defaults(struct hdspm *hdspm);
1099 static int hdspm_system_clock_mode(struct hdspm *hdspm);
1100 static void hdspm_set_channel_dma_addr(struct hdspm *hdspm,
1101 				       struct snd_pcm_substream *substream,
1102 				       unsigned int reg, int channels);
1103 
1104 static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx);
1105 static int hdspm_wc_sync_check(struct hdspm *hdspm);
1106 static int hdspm_tco_sync_check(struct hdspm *hdspm);
1107 static int hdspm_sync_in_sync_check(struct hdspm *hdspm);
1108 
1109 static int hdspm_get_aes_sample_rate(struct hdspm *hdspm, int index);
1110 static int hdspm_get_tco_sample_rate(struct hdspm *hdspm);
1111 static int hdspm_get_wc_sample_rate(struct hdspm *hdspm);
1112 
1113 
1114 
1115 static inline int HDSPM_bit2freq(int n)
1116 {
1117 	static const int bit2freq_tab[] = {
1118 		0, 32000, 44100, 48000, 64000, 88200,
1119 		96000, 128000, 176400, 192000 };
1120 	if (n < 1 || n > 9)
1121 		return 0;
1122 	return bit2freq_tab[n];
1123 }
1124 
1125 static bool hdspm_is_raydat_or_aio(struct hdspm *hdspm)
1126 {
1127 	return ((AIO == hdspm->io_type) || (RayDAT == hdspm->io_type));
1128 }
1129 
1130 
1131 /* Write/read to/from HDSPM with Adresses in Bytes
1132    not words but only 32Bit writes are allowed */
1133 
1134 static inline void hdspm_write(struct hdspm * hdspm, unsigned int reg,
1135 			       unsigned int val)
1136 {
1137 	writel(val, hdspm->iobase + reg);
1138 }
1139 
1140 static inline unsigned int hdspm_read(struct hdspm * hdspm, unsigned int reg)
1141 {
1142 	return readl(hdspm->iobase + reg);
1143 }
1144 
1145 /* for each output channel (chan) I have an Input (in) and Playback (pb) Fader
1146    mixer is write only on hardware so we have to cache him for read
1147    each fader is a u32, but uses only the first 16 bit */
1148 
1149 static inline int hdspm_read_in_gain(struct hdspm * hdspm, unsigned int chan,
1150 				     unsigned int in)
1151 {
1152 	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
1153 		return 0;
1154 
1155 	return hdspm->mixer->ch[chan].in[in];
1156 }
1157 
1158 static inline int hdspm_read_pb_gain(struct hdspm * hdspm, unsigned int chan,
1159 				     unsigned int pb)
1160 {
1161 	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
1162 		return 0;
1163 	return hdspm->mixer->ch[chan].pb[pb];
1164 }
1165 
1166 static int hdspm_write_in_gain(struct hdspm *hdspm, unsigned int chan,
1167 				      unsigned int in, unsigned short data)
1168 {
1169 	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
1170 		return -1;
1171 
1172 	hdspm_write(hdspm,
1173 		    HDSPM_MADI_mixerBase +
1174 		    ((in + 128 * chan) * sizeof(u32)),
1175 		    (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
1176 	return 0;
1177 }
1178 
1179 static int hdspm_write_pb_gain(struct hdspm *hdspm, unsigned int chan,
1180 				      unsigned int pb, unsigned short data)
1181 {
1182 	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
1183 		return -1;
1184 
1185 	hdspm_write(hdspm,
1186 		    HDSPM_MADI_mixerBase +
1187 		    ((64 + pb + 128 * chan) * sizeof(u32)),
1188 		    (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
1189 	return 0;
1190 }
1191 
1192 
1193 /* enable DMA for specific channels, now available for DSP-MADI */
1194 static inline void snd_hdspm_enable_in(struct hdspm * hdspm, int i, int v)
1195 {
1196 	hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
1197 }
1198 
1199 static inline void snd_hdspm_enable_out(struct hdspm * hdspm, int i, int v)
1200 {
1201 	hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
1202 }
1203 
1204 /* check if same process is writing and reading */
1205 static int snd_hdspm_use_is_exclusive(struct hdspm *hdspm)
1206 {
1207 	unsigned long flags;
1208 	int ret = 1;
1209 
1210 	spin_lock_irqsave(&hdspm->lock, flags);
1211 	if ((hdspm->playback_pid != hdspm->capture_pid) &&
1212 	    (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
1213 		ret = 0;
1214 	}
1215 	spin_unlock_irqrestore(&hdspm->lock, flags);
1216 	return ret;
1217 }
1218 
1219 /* round arbitrary sample rates to commonly known rates */
1220 static int hdspm_round_frequency(int rate)
1221 {
1222 	if (rate < 38050)
1223 		return 32000;
1224 	if (rate < 46008)
1225 		return 44100;
1226 	else
1227 		return 48000;
1228 }
1229 
1230 /* QS and DS rates normally can not be detected
1231  * automatically by the card. Only exception is MADI
1232  * in 96k frame mode.
1233  *
1234  * So if we read SS values (32 .. 48k), check for
1235  * user-provided DS/QS bits in the control register
1236  * and multiply the base frequency accordingly.
1237  */
1238 static int hdspm_rate_multiplier(struct hdspm *hdspm, int rate)
1239 {
1240 	if (rate <= 48000) {
1241 		if (hdspm->control_register & HDSPM_QuadSpeed)
1242 			return rate * 4;
1243 		else if (hdspm->control_register &
1244 				HDSPM_DoubleSpeed)
1245 			return rate * 2;
1246 	}
1247 	return rate;
1248 }
1249 
1250 /* check for external sample rate, returns the sample rate in Hz*/
1251 static int hdspm_external_sample_rate(struct hdspm *hdspm)
1252 {
1253 	unsigned int status, status2;
1254 	int syncref, rate = 0, rate_bits;
1255 
1256 	switch (hdspm->io_type) {
1257 	case AES32:
1258 		status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
1259 		status = hdspm_read(hdspm, HDSPM_statusRegister);
1260 
1261 		syncref = hdspm_autosync_ref(hdspm);
1262 		switch (syncref) {
1263 		case HDSPM_AES32_AUTOSYNC_FROM_WORD:
1264 		/* Check WC sync and get sample rate */
1265 			if (hdspm_wc_sync_check(hdspm))
1266 				return HDSPM_bit2freq(hdspm_get_wc_sample_rate(hdspm));
1267 			break;
1268 
1269 		case HDSPM_AES32_AUTOSYNC_FROM_AES1:
1270 		case HDSPM_AES32_AUTOSYNC_FROM_AES2:
1271 		case HDSPM_AES32_AUTOSYNC_FROM_AES3:
1272 		case HDSPM_AES32_AUTOSYNC_FROM_AES4:
1273 		case HDSPM_AES32_AUTOSYNC_FROM_AES5:
1274 		case HDSPM_AES32_AUTOSYNC_FROM_AES6:
1275 		case HDSPM_AES32_AUTOSYNC_FROM_AES7:
1276 		case HDSPM_AES32_AUTOSYNC_FROM_AES8:
1277 		/* Check AES sync and get sample rate */
1278 			if (hdspm_aes_sync_check(hdspm, syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1))
1279 				return HDSPM_bit2freq(hdspm_get_aes_sample_rate(hdspm,
1280 							syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1));
1281 			break;
1282 
1283 
1284 		case HDSPM_AES32_AUTOSYNC_FROM_TCO:
1285 		/* Check TCO sync and get sample rate */
1286 			if (hdspm_tco_sync_check(hdspm))
1287 				return HDSPM_bit2freq(hdspm_get_tco_sample_rate(hdspm));
1288 			break;
1289 		default:
1290 			return 0;
1291 		} /* end switch(syncref) */
1292 		break;
1293 
1294 	case MADIface:
1295 		status = hdspm_read(hdspm, HDSPM_statusRegister);
1296 
1297 		if (!(status & HDSPM_madiLock)) {
1298 			rate = 0;  /* no lock */
1299 		} else {
1300 			switch (status & (HDSPM_status1_freqMask)) {
1301 			case HDSPM_status1_F_0*1:
1302 				rate = 32000; break;
1303 			case HDSPM_status1_F_0*2:
1304 				rate = 44100; break;
1305 			case HDSPM_status1_F_0*3:
1306 				rate = 48000; break;
1307 			case HDSPM_status1_F_0*4:
1308 				rate = 64000; break;
1309 			case HDSPM_status1_F_0*5:
1310 				rate = 88200; break;
1311 			case HDSPM_status1_F_0*6:
1312 				rate = 96000; break;
1313 			case HDSPM_status1_F_0*7:
1314 				rate = 128000; break;
1315 			case HDSPM_status1_F_0*8:
1316 				rate = 176400; break;
1317 			case HDSPM_status1_F_0*9:
1318 				rate = 192000; break;
1319 			default:
1320 				rate = 0; break;
1321 			}
1322 		}
1323 
1324 		break;
1325 
1326 	case MADI:
1327 	case AIO:
1328 	case RayDAT:
1329 		status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
1330 		status = hdspm_read(hdspm, HDSPM_statusRegister);
1331 		rate = 0;
1332 
1333 		/* if wordclock has synced freq and wordclock is valid */
1334 		if ((status2 & HDSPM_wcLock) != 0 &&
1335 				(status2 & HDSPM_SelSyncRef0) == 0) {
1336 
1337 			rate_bits = status2 & HDSPM_wcFreqMask;
1338 
1339 
1340 			switch (rate_bits) {
1341 			case HDSPM_wcFreq32:
1342 				rate = 32000;
1343 				break;
1344 			case HDSPM_wcFreq44_1:
1345 				rate = 44100;
1346 				break;
1347 			case HDSPM_wcFreq48:
1348 				rate = 48000;
1349 				break;
1350 			case HDSPM_wcFreq64:
1351 				rate = 64000;
1352 				break;
1353 			case HDSPM_wcFreq88_2:
1354 				rate = 88200;
1355 				break;
1356 			case HDSPM_wcFreq96:
1357 				rate = 96000;
1358 				break;
1359 			case HDSPM_wcFreq128:
1360 				rate = 128000;
1361 				break;
1362 			case HDSPM_wcFreq176_4:
1363 				rate = 176400;
1364 				break;
1365 			case HDSPM_wcFreq192:
1366 				rate = 192000;
1367 				break;
1368 			default:
1369 				rate = 0;
1370 				break;
1371 			}
1372 		}
1373 
1374 		/* if rate detected and Syncref is Word than have it,
1375 		 * word has priority to MADI
1376 		 */
1377 		if (rate != 0 &&
1378 		(status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
1379 			return hdspm_rate_multiplier(hdspm, rate);
1380 
1381 		/* maybe a madi input (which is taken if sel sync is madi) */
1382 		if (status & HDSPM_madiLock) {
1383 			rate_bits = status & HDSPM_madiFreqMask;
1384 
1385 			switch (rate_bits) {
1386 			case HDSPM_madiFreq32:
1387 				rate = 32000;
1388 				break;
1389 			case HDSPM_madiFreq44_1:
1390 				rate = 44100;
1391 				break;
1392 			case HDSPM_madiFreq48:
1393 				rate = 48000;
1394 				break;
1395 			case HDSPM_madiFreq64:
1396 				rate = 64000;
1397 				break;
1398 			case HDSPM_madiFreq88_2:
1399 				rate = 88200;
1400 				break;
1401 			case HDSPM_madiFreq96:
1402 				rate = 96000;
1403 				break;
1404 			case HDSPM_madiFreq128:
1405 				rate = 128000;
1406 				break;
1407 			case HDSPM_madiFreq176_4:
1408 				rate = 176400;
1409 				break;
1410 			case HDSPM_madiFreq192:
1411 				rate = 192000;
1412 				break;
1413 			default:
1414 				rate = 0;
1415 				break;
1416 			}
1417 
1418 		} /* endif HDSPM_madiLock */
1419 
1420 		/* check sample rate from TCO or SYNC_IN */
1421 		{
1422 			bool is_valid_input = 0;
1423 			bool has_sync = 0;
1424 
1425 			syncref = hdspm_autosync_ref(hdspm);
1426 			if (HDSPM_AUTOSYNC_FROM_TCO == syncref) {
1427 				is_valid_input = 1;
1428 				has_sync = (HDSPM_SYNC_CHECK_SYNC ==
1429 					hdspm_tco_sync_check(hdspm));
1430 			} else if (HDSPM_AUTOSYNC_FROM_SYNC_IN == syncref) {
1431 				is_valid_input = 1;
1432 				has_sync = (HDSPM_SYNC_CHECK_SYNC ==
1433 					hdspm_sync_in_sync_check(hdspm));
1434 			}
1435 
1436 			if (is_valid_input && has_sync) {
1437 				rate = hdspm_round_frequency(
1438 					hdspm_get_pll_freq(hdspm));
1439 			}
1440 		}
1441 
1442 		rate = hdspm_rate_multiplier(hdspm, rate);
1443 
1444 		break;
1445 	}
1446 
1447 	return rate;
1448 }
1449 
1450 /* return latency in samples per period */
1451 static int hdspm_get_latency(struct hdspm *hdspm)
1452 {
1453 	int n;
1454 
1455 	n = hdspm_decode_latency(hdspm->control_register);
1456 
1457 	/* Special case for new RME cards with 32 samples period size.
1458 	 * The three latency bits in the control register
1459 	 * (HDSP_LatencyMask) encode latency values of 64 samples as
1460 	 * 0, 128 samples as 1 ... 4096 samples as 6. For old cards, 7
1461 	 * denotes 8192 samples, but on new cards like RayDAT or AIO,
1462 	 * it corresponds to 32 samples.
1463 	 */
1464 	if ((7 == n) && (RayDAT == hdspm->io_type || AIO == hdspm->io_type))
1465 		n = -1;
1466 
1467 	return 1 << (n + 6);
1468 }
1469 
1470 /* Latency function */
1471 static inline void hdspm_compute_period_size(struct hdspm *hdspm)
1472 {
1473 	hdspm->period_bytes = 4 * hdspm_get_latency(hdspm);
1474 }
1475 
1476 
1477 static snd_pcm_uframes_t hdspm_hw_pointer(struct hdspm *hdspm)
1478 {
1479 	int position;
1480 
1481 	position = hdspm_read(hdspm, HDSPM_statusRegister);
1482 
1483 	switch (hdspm->io_type) {
1484 	case RayDAT:
1485 	case AIO:
1486 		position &= HDSPM_BufferPositionMask;
1487 		position /= 4; /* Bytes per sample */
1488 		break;
1489 	default:
1490 		position = (position & HDSPM_BufferID) ?
1491 			(hdspm->period_bytes / 4) : 0;
1492 	}
1493 
1494 	return position;
1495 }
1496 
1497 
1498 static inline void hdspm_start_audio(struct hdspm * s)
1499 {
1500 	s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
1501 	hdspm_write(s, HDSPM_controlRegister, s->control_register);
1502 }
1503 
1504 static inline void hdspm_stop_audio(struct hdspm * s)
1505 {
1506 	s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
1507 	hdspm_write(s, HDSPM_controlRegister, s->control_register);
1508 }
1509 
1510 /* should I silence all or only opened ones ? doit all for first even is 4MB*/
1511 static void hdspm_silence_playback(struct hdspm *hdspm)
1512 {
1513 	int i;
1514 	int n = hdspm->period_bytes;
1515 	void *buf = hdspm->playback_buffer;
1516 
1517 	if (!buf)
1518 		return;
1519 
1520 	for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
1521 		memset(buf, 0, n);
1522 		buf += HDSPM_CHANNEL_BUFFER_BYTES;
1523 	}
1524 }
1525 
1526 static int hdspm_set_interrupt_interval(struct hdspm *s, unsigned int frames)
1527 {
1528 	int n;
1529 
1530 	spin_lock_irq(&s->lock);
1531 
1532 	if (32 == frames) {
1533 		/* Special case for new RME cards like RayDAT/AIO which
1534 		 * support period sizes of 32 samples. Since latency is
1535 		 * encoded in the three bits of HDSP_LatencyMask, we can only
1536 		 * have values from 0 .. 7. While 0 still means 64 samples and
1537 		 * 6 represents 4096 samples on all cards, 7 represents 8192
1538 		 * on older cards and 32 samples on new cards.
1539 		 *
1540 		 * In other words, period size in samples is calculated by
1541 		 * 2^(n+6) with n ranging from 0 .. 7.
1542 		 */
1543 		n = 7;
1544 	} else {
1545 		frames >>= 7;
1546 		n = 0;
1547 		while (frames) {
1548 			n++;
1549 			frames >>= 1;
1550 		}
1551 	}
1552 
1553 	s->control_register &= ~HDSPM_LatencyMask;
1554 	s->control_register |= hdspm_encode_latency(n);
1555 
1556 	hdspm_write(s, HDSPM_controlRegister, s->control_register);
1557 
1558 	hdspm_compute_period_size(s);
1559 
1560 	spin_unlock_irq(&s->lock);
1561 
1562 	return 0;
1563 }
1564 
1565 static u64 hdspm_calc_dds_value(struct hdspm *hdspm, u64 period)
1566 {
1567 	u64 freq_const;
1568 
1569 	if (period == 0)
1570 		return 0;
1571 
1572 	switch (hdspm->io_type) {
1573 	case MADI:
1574 	case AES32:
1575 		freq_const = 110069313433624ULL;
1576 		break;
1577 	case RayDAT:
1578 	case AIO:
1579 		freq_const = 104857600000000ULL;
1580 		break;
1581 	case MADIface:
1582 		freq_const = 131072000000000ULL;
1583 		break;
1584 	default:
1585 		snd_BUG();
1586 		return 0;
1587 	}
1588 
1589 	return div_u64(freq_const, period);
1590 }
1591 
1592 
1593 static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
1594 {
1595 	u64 n;
1596 
1597 	if (snd_BUG_ON(rate <= 0))
1598 		return;
1599 
1600 	if (rate >= 112000)
1601 		rate /= 4;
1602 	else if (rate >= 56000)
1603 		rate /= 2;
1604 
1605 	switch (hdspm->io_type) {
1606 	case MADIface:
1607 		n = 131072000000000ULL;  /* 125 MHz */
1608 		break;
1609 	case MADI:
1610 	case AES32:
1611 		n = 110069313433624ULL;  /* 105 MHz */
1612 		break;
1613 	case RayDAT:
1614 	case AIO:
1615 		n = 104857600000000ULL;  /* 100 MHz */
1616 		break;
1617 	default:
1618 		snd_BUG();
1619 		return;
1620 	}
1621 
1622 	n = div_u64(n, rate);
1623 	/* n should be less than 2^32 for being written to FREQ register */
1624 	snd_BUG_ON(n >> 32);
1625 	hdspm_write(hdspm, HDSPM_freqReg, (u32)n);
1626 }
1627 
1628 /* dummy set rate lets see what happens */
1629 static int hdspm_set_rate(struct hdspm * hdspm, int rate, int called_internally)
1630 {
1631 	int current_rate;
1632 	int rate_bits;
1633 	int not_set = 0;
1634 	int current_speed, target_speed;
1635 
1636 	/* ASSUMPTION: hdspm->lock is either set, or there is no need for
1637 	   it (e.g. during module initialization).
1638 	 */
1639 
1640 	if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
1641 
1642 		/* SLAVE --- */
1643 		if (called_internally) {
1644 
1645 			/* request from ctl or card initialization
1646 			   just make a warning an remember setting
1647 			   for future master mode switching */
1648 
1649 			dev_warn(hdspm->card->dev,
1650 				 "Warning: device is not running as a clock master.\n");
1651 			not_set = 1;
1652 		} else {
1653 
1654 			/* hw_param request while in AutoSync mode */
1655 			int external_freq =
1656 			    hdspm_external_sample_rate(hdspm);
1657 
1658 			if (hdspm_autosync_ref(hdspm) ==
1659 			    HDSPM_AUTOSYNC_FROM_NONE) {
1660 
1661 				dev_warn(hdspm->card->dev,
1662 					 "Detected no External Sync\n");
1663 				not_set = 1;
1664 
1665 			} else if (rate != external_freq) {
1666 
1667 				dev_warn(hdspm->card->dev,
1668 					 "Warning: No AutoSync source for requested rate\n");
1669 				not_set = 1;
1670 			}
1671 		}
1672 	}
1673 
1674 	current_rate = hdspm->system_sample_rate;
1675 
1676 	/* Changing between Singe, Double and Quad speed is not
1677 	   allowed if any substreams are open. This is because such a change
1678 	   causes a shift in the location of the DMA buffers and a reduction
1679 	   in the number of available buffers.
1680 
1681 	   Note that a similar but essentially insoluble problem exists for
1682 	   externally-driven rate changes. All we can do is to flag rate
1683 	   changes in the read/write routines.
1684 	 */
1685 
1686 	if (current_rate <= 48000)
1687 		current_speed = HDSPM_SPEED_SINGLE;
1688 	else if (current_rate <= 96000)
1689 		current_speed = HDSPM_SPEED_DOUBLE;
1690 	else
1691 		current_speed = HDSPM_SPEED_QUAD;
1692 
1693 	if (rate <= 48000)
1694 		target_speed = HDSPM_SPEED_SINGLE;
1695 	else if (rate <= 96000)
1696 		target_speed = HDSPM_SPEED_DOUBLE;
1697 	else
1698 		target_speed = HDSPM_SPEED_QUAD;
1699 
1700 	switch (rate) {
1701 	case 32000:
1702 		rate_bits = HDSPM_Frequency32KHz;
1703 		break;
1704 	case 44100:
1705 		rate_bits = HDSPM_Frequency44_1KHz;
1706 		break;
1707 	case 48000:
1708 		rate_bits = HDSPM_Frequency48KHz;
1709 		break;
1710 	case 64000:
1711 		rate_bits = HDSPM_Frequency64KHz;
1712 		break;
1713 	case 88200:
1714 		rate_bits = HDSPM_Frequency88_2KHz;
1715 		break;
1716 	case 96000:
1717 		rate_bits = HDSPM_Frequency96KHz;
1718 		break;
1719 	case 128000:
1720 		rate_bits = HDSPM_Frequency128KHz;
1721 		break;
1722 	case 176400:
1723 		rate_bits = HDSPM_Frequency176_4KHz;
1724 		break;
1725 	case 192000:
1726 		rate_bits = HDSPM_Frequency192KHz;
1727 		break;
1728 	default:
1729 		return -EINVAL;
1730 	}
1731 
1732 	if (current_speed != target_speed
1733 	    && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
1734 		dev_err(hdspm->card->dev,
1735 			"cannot change from %s speed to %s speed mode (capture PID = %d, playback PID = %d)\n",
1736 			hdspm_speed_names[current_speed],
1737 			hdspm_speed_names[target_speed],
1738 			hdspm->capture_pid, hdspm->playback_pid);
1739 		return -EBUSY;
1740 	}
1741 
1742 	hdspm->control_register &= ~HDSPM_FrequencyMask;
1743 	hdspm->control_register |= rate_bits;
1744 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1745 
1746 	/* For AES32, need to set DDS value in FREQ register
1747 	   For MADI, also apparently */
1748 	hdspm_set_dds_value(hdspm, rate);
1749 
1750 	if (AES32 == hdspm->io_type && rate != current_rate)
1751 		hdspm_write(hdspm, HDSPM_eeprom_wr, 0);
1752 
1753 	hdspm->system_sample_rate = rate;
1754 
1755 	if (rate <= 48000) {
1756 		hdspm->channel_map_in = hdspm->channel_map_in_ss;
1757 		hdspm->channel_map_out = hdspm->channel_map_out_ss;
1758 		hdspm->max_channels_in = hdspm->ss_in_channels;
1759 		hdspm->max_channels_out = hdspm->ss_out_channels;
1760 		hdspm->port_names_in = hdspm->port_names_in_ss;
1761 		hdspm->port_names_out = hdspm->port_names_out_ss;
1762 	} else if (rate <= 96000) {
1763 		hdspm->channel_map_in = hdspm->channel_map_in_ds;
1764 		hdspm->channel_map_out = hdspm->channel_map_out_ds;
1765 		hdspm->max_channels_in = hdspm->ds_in_channels;
1766 		hdspm->max_channels_out = hdspm->ds_out_channels;
1767 		hdspm->port_names_in = hdspm->port_names_in_ds;
1768 		hdspm->port_names_out = hdspm->port_names_out_ds;
1769 	} else {
1770 		hdspm->channel_map_in = hdspm->channel_map_in_qs;
1771 		hdspm->channel_map_out = hdspm->channel_map_out_qs;
1772 		hdspm->max_channels_in = hdspm->qs_in_channels;
1773 		hdspm->max_channels_out = hdspm->qs_out_channels;
1774 		hdspm->port_names_in = hdspm->port_names_in_qs;
1775 		hdspm->port_names_out = hdspm->port_names_out_qs;
1776 	}
1777 
1778 	if (not_set != 0)
1779 		return -1;
1780 
1781 	return 0;
1782 }
1783 
1784 /* mainly for init to 0 on load */
1785 static void all_in_all_mixer(struct hdspm * hdspm, int sgain)
1786 {
1787 	int i, j;
1788 	unsigned int gain;
1789 
1790 	if (sgain > UNITY_GAIN)
1791 		gain = UNITY_GAIN;
1792 	else if (sgain < 0)
1793 		gain = 0;
1794 	else
1795 		gain = sgain;
1796 
1797 	for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
1798 		for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
1799 			hdspm_write_in_gain(hdspm, i, j, gain);
1800 			hdspm_write_pb_gain(hdspm, i, j, gain);
1801 		}
1802 }
1803 
1804 /*----------------------------------------------------------------------------
1805    MIDI
1806   ----------------------------------------------------------------------------*/
1807 
1808 static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm,
1809 						      int id)
1810 {
1811 	/* the hardware already does the relevant bit-mask with 0xff */
1812 	return hdspm_read(hdspm, hdspm->midi[id].dataIn);
1813 }
1814 
1815 static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id,
1816 					      int val)
1817 {
1818 	/* the hardware already does the relevant bit-mask with 0xff */
1819 	return hdspm_write(hdspm, hdspm->midi[id].dataOut, val);
1820 }
1821 
1822 static inline int snd_hdspm_midi_input_available (struct hdspm *hdspm, int id)
1823 {
1824 	return hdspm_read(hdspm, hdspm->midi[id].statusIn) & 0xFF;
1825 }
1826 
1827 static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id)
1828 {
1829 	int fifo_bytes_used;
1830 
1831 	fifo_bytes_used = hdspm_read(hdspm, hdspm->midi[id].statusOut) & 0xFF;
1832 
1833 	if (fifo_bytes_used < 128)
1834 		return  128 - fifo_bytes_used;
1835 	else
1836 		return 0;
1837 }
1838 
1839 static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id)
1840 {
1841 	int count = 256;
1842 
1843 	while (snd_hdspm_midi_input_available(hdspm, id) && --count)
1844 		snd_hdspm_midi_read_byte(hdspm, id);
1845 }
1846 
1847 static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)
1848 {
1849 	unsigned long flags;
1850 	int n_pending;
1851 	int to_write;
1852 	int i;
1853 	unsigned char buf[128];
1854 
1855 	/* Output is not interrupt driven */
1856 
1857 	spin_lock_irqsave (&hmidi->lock, flags);
1858 	if (hmidi->output &&
1859 	    !snd_rawmidi_transmit_empty (hmidi->output)) {
1860 		n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,
1861 							    hmidi->id);
1862 		if (n_pending > 0) {
1863 			if (n_pending > (int)sizeof (buf))
1864 				n_pending = sizeof (buf);
1865 
1866 			to_write = snd_rawmidi_transmit (hmidi->output, buf,
1867 							 n_pending);
1868 			if (to_write > 0) {
1869 				for (i = 0; i < to_write; ++i)
1870 					snd_hdspm_midi_write_byte (hmidi->hdspm,
1871 								   hmidi->id,
1872 								   buf[i]);
1873 			}
1874 		}
1875 	}
1876 	spin_unlock_irqrestore (&hmidi->lock, flags);
1877 	return 0;
1878 }
1879 
1880 static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)
1881 {
1882 	unsigned char buf[128]; /* this buffer is designed to match the MIDI
1883 				 * input FIFO size
1884 				 */
1885 	unsigned long flags;
1886 	int n_pending;
1887 	int i;
1888 
1889 	spin_lock_irqsave (&hmidi->lock, flags);
1890 	n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);
1891 	if (n_pending > 0) {
1892 		if (hmidi->input) {
1893 			if (n_pending > (int)sizeof (buf))
1894 				n_pending = sizeof (buf);
1895 			for (i = 0; i < n_pending; ++i)
1896 				buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,
1897 								   hmidi->id);
1898 			if (n_pending)
1899 				snd_rawmidi_receive (hmidi->input, buf,
1900 						     n_pending);
1901 		} else {
1902 			/* flush the MIDI input FIFO */
1903 			while (n_pending--)
1904 				snd_hdspm_midi_read_byte (hmidi->hdspm,
1905 							  hmidi->id);
1906 		}
1907 	}
1908 	hmidi->pending = 0;
1909 	spin_unlock_irqrestore(&hmidi->lock, flags);
1910 
1911 	spin_lock_irqsave(&hmidi->hdspm->lock, flags);
1912 	hmidi->hdspm->control_register |= hmidi->ie;
1913 	hdspm_write(hmidi->hdspm, HDSPM_controlRegister,
1914 		    hmidi->hdspm->control_register);
1915 	spin_unlock_irqrestore(&hmidi->hdspm->lock, flags);
1916 
1917 	return snd_hdspm_midi_output_write (hmidi);
1918 }
1919 
1920 static void
1921 snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1922 {
1923 	struct hdspm *hdspm;
1924 	struct hdspm_midi *hmidi;
1925 	unsigned long flags;
1926 
1927 	hmidi = substream->rmidi->private_data;
1928 	hdspm = hmidi->hdspm;
1929 
1930 	spin_lock_irqsave (&hdspm->lock, flags);
1931 	if (up) {
1932 		if (!(hdspm->control_register & hmidi->ie)) {
1933 			snd_hdspm_flush_midi_input (hdspm, hmidi->id);
1934 			hdspm->control_register |= hmidi->ie;
1935 		}
1936 	} else {
1937 		hdspm->control_register &= ~hmidi->ie;
1938 	}
1939 
1940 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1941 	spin_unlock_irqrestore (&hdspm->lock, flags);
1942 }
1943 
1944 static void snd_hdspm_midi_output_timer(struct timer_list *t)
1945 {
1946 	struct hdspm_midi *hmidi = from_timer(hmidi, t, timer);
1947 	unsigned long flags;
1948 
1949 	snd_hdspm_midi_output_write(hmidi);
1950 	spin_lock_irqsave (&hmidi->lock, flags);
1951 
1952 	/* this does not bump hmidi->istimer, because the
1953 	   kernel automatically removed the timer when it
1954 	   expired, and we are now adding it back, thus
1955 	   leaving istimer wherever it was set before.
1956 	*/
1957 
1958 	if (hmidi->istimer)
1959 		mod_timer(&hmidi->timer, 1 + jiffies);
1960 
1961 	spin_unlock_irqrestore (&hmidi->lock, flags);
1962 }
1963 
1964 static void
1965 snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1966 {
1967 	struct hdspm_midi *hmidi;
1968 	unsigned long flags;
1969 
1970 	hmidi = substream->rmidi->private_data;
1971 	spin_lock_irqsave (&hmidi->lock, flags);
1972 	if (up) {
1973 		if (!hmidi->istimer) {
1974 			timer_setup(&hmidi->timer,
1975 				    snd_hdspm_midi_output_timer, 0);
1976 			mod_timer(&hmidi->timer, 1 + jiffies);
1977 			hmidi->istimer++;
1978 		}
1979 	} else {
1980 		if (hmidi->istimer && --hmidi->istimer <= 0)
1981 			del_timer (&hmidi->timer);
1982 	}
1983 	spin_unlock_irqrestore (&hmidi->lock, flags);
1984 	if (up)
1985 		snd_hdspm_midi_output_write(hmidi);
1986 }
1987 
1988 static int snd_hdspm_midi_input_open(struct snd_rawmidi_substream *substream)
1989 {
1990 	struct hdspm_midi *hmidi;
1991 
1992 	hmidi = substream->rmidi->private_data;
1993 	spin_lock_irq (&hmidi->lock);
1994 	snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
1995 	hmidi->input = substream;
1996 	spin_unlock_irq (&hmidi->lock);
1997 
1998 	return 0;
1999 }
2000 
2001 static int snd_hdspm_midi_output_open(struct snd_rawmidi_substream *substream)
2002 {
2003 	struct hdspm_midi *hmidi;
2004 
2005 	hmidi = substream->rmidi->private_data;
2006 	spin_lock_irq (&hmidi->lock);
2007 	hmidi->output = substream;
2008 	spin_unlock_irq (&hmidi->lock);
2009 
2010 	return 0;
2011 }
2012 
2013 static int snd_hdspm_midi_input_close(struct snd_rawmidi_substream *substream)
2014 {
2015 	struct hdspm_midi *hmidi;
2016 
2017 	snd_hdspm_midi_input_trigger (substream, 0);
2018 
2019 	hmidi = substream->rmidi->private_data;
2020 	spin_lock_irq (&hmidi->lock);
2021 	hmidi->input = NULL;
2022 	spin_unlock_irq (&hmidi->lock);
2023 
2024 	return 0;
2025 }
2026 
2027 static int snd_hdspm_midi_output_close(struct snd_rawmidi_substream *substream)
2028 {
2029 	struct hdspm_midi *hmidi;
2030 
2031 	snd_hdspm_midi_output_trigger (substream, 0);
2032 
2033 	hmidi = substream->rmidi->private_data;
2034 	spin_lock_irq (&hmidi->lock);
2035 	hmidi->output = NULL;
2036 	spin_unlock_irq (&hmidi->lock);
2037 
2038 	return 0;
2039 }
2040 
2041 static const struct snd_rawmidi_ops snd_hdspm_midi_output =
2042 {
2043 	.open =		snd_hdspm_midi_output_open,
2044 	.close =	snd_hdspm_midi_output_close,
2045 	.trigger =	snd_hdspm_midi_output_trigger,
2046 };
2047 
2048 static const struct snd_rawmidi_ops snd_hdspm_midi_input =
2049 {
2050 	.open =		snd_hdspm_midi_input_open,
2051 	.close =	snd_hdspm_midi_input_close,
2052 	.trigger =	snd_hdspm_midi_input_trigger,
2053 };
2054 
2055 static int snd_hdspm_create_midi(struct snd_card *card,
2056 				 struct hdspm *hdspm, int id)
2057 {
2058 	int err;
2059 	char buf[64];
2060 
2061 	hdspm->midi[id].id = id;
2062 	hdspm->midi[id].hdspm = hdspm;
2063 	spin_lock_init (&hdspm->midi[id].lock);
2064 
2065 	if (0 == id) {
2066 		if (MADIface == hdspm->io_type) {
2067 			/* MIDI-over-MADI on HDSPe MADIface */
2068 			hdspm->midi[0].dataIn = HDSPM_midiDataIn2;
2069 			hdspm->midi[0].statusIn = HDSPM_midiStatusIn2;
2070 			hdspm->midi[0].dataOut = HDSPM_midiDataOut2;
2071 			hdspm->midi[0].statusOut = HDSPM_midiStatusOut2;
2072 			hdspm->midi[0].ie = HDSPM_Midi2InterruptEnable;
2073 			hdspm->midi[0].irq = HDSPM_midi2IRQPending;
2074 		} else {
2075 			hdspm->midi[0].dataIn = HDSPM_midiDataIn0;
2076 			hdspm->midi[0].statusIn = HDSPM_midiStatusIn0;
2077 			hdspm->midi[0].dataOut = HDSPM_midiDataOut0;
2078 			hdspm->midi[0].statusOut = HDSPM_midiStatusOut0;
2079 			hdspm->midi[0].ie = HDSPM_Midi0InterruptEnable;
2080 			hdspm->midi[0].irq = HDSPM_midi0IRQPending;
2081 		}
2082 	} else if (1 == id) {
2083 		hdspm->midi[1].dataIn = HDSPM_midiDataIn1;
2084 		hdspm->midi[1].statusIn = HDSPM_midiStatusIn1;
2085 		hdspm->midi[1].dataOut = HDSPM_midiDataOut1;
2086 		hdspm->midi[1].statusOut = HDSPM_midiStatusOut1;
2087 		hdspm->midi[1].ie = HDSPM_Midi1InterruptEnable;
2088 		hdspm->midi[1].irq = HDSPM_midi1IRQPending;
2089 	} else if ((2 == id) && (MADI == hdspm->io_type)) {
2090 		/* MIDI-over-MADI on HDSPe MADI */
2091 		hdspm->midi[2].dataIn = HDSPM_midiDataIn2;
2092 		hdspm->midi[2].statusIn = HDSPM_midiStatusIn2;
2093 		hdspm->midi[2].dataOut = HDSPM_midiDataOut2;
2094 		hdspm->midi[2].statusOut = HDSPM_midiStatusOut2;
2095 		hdspm->midi[2].ie = HDSPM_Midi2InterruptEnable;
2096 		hdspm->midi[2].irq = HDSPM_midi2IRQPending;
2097 	} else if (2 == id) {
2098 		/* TCO MTC, read only */
2099 		hdspm->midi[2].dataIn = HDSPM_midiDataIn2;
2100 		hdspm->midi[2].statusIn = HDSPM_midiStatusIn2;
2101 		hdspm->midi[2].dataOut = -1;
2102 		hdspm->midi[2].statusOut = -1;
2103 		hdspm->midi[2].ie = HDSPM_Midi2InterruptEnable;
2104 		hdspm->midi[2].irq = HDSPM_midi2IRQPendingAES;
2105 	} else if (3 == id) {
2106 		/* TCO MTC on HDSPe MADI */
2107 		hdspm->midi[3].dataIn = HDSPM_midiDataIn3;
2108 		hdspm->midi[3].statusIn = HDSPM_midiStatusIn3;
2109 		hdspm->midi[3].dataOut = -1;
2110 		hdspm->midi[3].statusOut = -1;
2111 		hdspm->midi[3].ie = HDSPM_Midi3InterruptEnable;
2112 		hdspm->midi[3].irq = HDSPM_midi3IRQPending;
2113 	}
2114 
2115 	if ((id < 2) || ((2 == id) && ((MADI == hdspm->io_type) ||
2116 					(MADIface == hdspm->io_type)))) {
2117 		if ((id == 0) && (MADIface == hdspm->io_type)) {
2118 			snprintf(buf, sizeof(buf), "%s MIDIoverMADI",
2119 				 card->shortname);
2120 		} else if ((id == 2) && (MADI == hdspm->io_type)) {
2121 			snprintf(buf, sizeof(buf), "%s MIDIoverMADI",
2122 				 card->shortname);
2123 		} else {
2124 			snprintf(buf, sizeof(buf), "%s MIDI %d",
2125 				 card->shortname, id+1);
2126 		}
2127 		err = snd_rawmidi_new(card, buf, id, 1, 1,
2128 				&hdspm->midi[id].rmidi);
2129 		if (err < 0)
2130 			return err;
2131 
2132 		snprintf(hdspm->midi[id].rmidi->name,
2133 			 sizeof(hdspm->midi[id].rmidi->name),
2134 			 "%s MIDI %d", card->id, id+1);
2135 		hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
2136 
2137 		snd_rawmidi_set_ops(hdspm->midi[id].rmidi,
2138 				SNDRV_RAWMIDI_STREAM_OUTPUT,
2139 				&snd_hdspm_midi_output);
2140 		snd_rawmidi_set_ops(hdspm->midi[id].rmidi,
2141 				SNDRV_RAWMIDI_STREAM_INPUT,
2142 				&snd_hdspm_midi_input);
2143 
2144 		hdspm->midi[id].rmidi->info_flags |=
2145 			SNDRV_RAWMIDI_INFO_OUTPUT |
2146 			SNDRV_RAWMIDI_INFO_INPUT |
2147 			SNDRV_RAWMIDI_INFO_DUPLEX;
2148 	} else {
2149 		/* TCO MTC, read only */
2150 		snprintf(buf, sizeof(buf), "%s MTC %d",
2151 			 card->shortname, id+1);
2152 		err = snd_rawmidi_new(card, buf, id, 1, 1,
2153 				&hdspm->midi[id].rmidi);
2154 		if (err < 0)
2155 			return err;
2156 
2157 		snprintf(hdspm->midi[id].rmidi->name,
2158 			 sizeof(hdspm->midi[id].rmidi->name),
2159 			 "%s MTC %d", card->id, id+1);
2160 		hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
2161 
2162 		snd_rawmidi_set_ops(hdspm->midi[id].rmidi,
2163 				SNDRV_RAWMIDI_STREAM_INPUT,
2164 				&snd_hdspm_midi_input);
2165 
2166 		hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
2167 	}
2168 
2169 	return 0;
2170 }
2171 
2172 
2173 static void hdspm_midi_work(struct work_struct *work)
2174 {
2175 	struct hdspm *hdspm = container_of(work, struct hdspm, midi_work);
2176 	int i = 0;
2177 
2178 	while (i < hdspm->midiPorts) {
2179 		if (hdspm->midi[i].pending)
2180 			snd_hdspm_midi_input_read(&hdspm->midi[i]);
2181 
2182 		i++;
2183 	}
2184 }
2185 
2186 
2187 /*-----------------------------------------------------------------------------
2188   Status Interface
2189   ----------------------------------------------------------------------------*/
2190 
2191 /* get the system sample rate which is set */
2192 
2193 
2194 static inline int hdspm_get_pll_freq(struct hdspm *hdspm)
2195 {
2196 	unsigned int period, rate;
2197 
2198 	period = hdspm_read(hdspm, HDSPM_RD_PLL_FREQ);
2199 	rate = hdspm_calc_dds_value(hdspm, period);
2200 
2201 	return rate;
2202 }
2203 
2204 /*
2205  * Calculate the real sample rate from the
2206  * current DDS value.
2207  */
2208 static int hdspm_get_system_sample_rate(struct hdspm *hdspm)
2209 {
2210 	unsigned int rate;
2211 
2212 	rate = hdspm_get_pll_freq(hdspm);
2213 
2214 	if (rate > 207000) {
2215 		/* Unreasonable high sample rate as seen on PCI MADI cards. */
2216 		if (0 == hdspm_system_clock_mode(hdspm)) {
2217 			/* master mode, return internal sample rate */
2218 			rate = hdspm->system_sample_rate;
2219 		} else {
2220 			/* slave mode, return external sample rate */
2221 			rate = hdspm_external_sample_rate(hdspm);
2222 			if (!rate)
2223 				rate = hdspm->system_sample_rate;
2224 		}
2225 	}
2226 
2227 	return rate;
2228 }
2229 
2230 
2231 #define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
2232 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2233 	.name = xname, \
2234 	.index = xindex, \
2235 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
2236 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2237 	.info = snd_hdspm_info_system_sample_rate, \
2238 	.put = snd_hdspm_put_system_sample_rate, \
2239 	.get = snd_hdspm_get_system_sample_rate \
2240 }
2241 
2242 static int snd_hdspm_info_system_sample_rate(struct snd_kcontrol *kcontrol,
2243 					     struct snd_ctl_elem_info *uinfo)
2244 {
2245 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2246 	uinfo->count = 1;
2247 	uinfo->value.integer.min = 27000;
2248 	uinfo->value.integer.max = 207000;
2249 	uinfo->value.integer.step = 1;
2250 	return 0;
2251 }
2252 
2253 
2254 static int snd_hdspm_get_system_sample_rate(struct snd_kcontrol *kcontrol,
2255 					    struct snd_ctl_elem_value *
2256 					    ucontrol)
2257 {
2258 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2259 
2260 	ucontrol->value.integer.value[0] = hdspm_get_system_sample_rate(hdspm);
2261 	return 0;
2262 }
2263 
2264 static int snd_hdspm_put_system_sample_rate(struct snd_kcontrol *kcontrol,
2265 					    struct snd_ctl_elem_value *
2266 					    ucontrol)
2267 {
2268 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2269 	int rate = ucontrol->value.integer.value[0];
2270 
2271 	if (rate < 27000 || rate > 207000)
2272 		return -EINVAL;
2273 	hdspm_set_dds_value(hdspm, ucontrol->value.integer.value[0]);
2274 	return 0;
2275 }
2276 
2277 
2278 /*
2279  * Returns the WordClock sample rate class for the given card.
2280  */
2281 static int hdspm_get_wc_sample_rate(struct hdspm *hdspm)
2282 {
2283 	int status;
2284 
2285 	switch (hdspm->io_type) {
2286 	case RayDAT:
2287 	case AIO:
2288 		status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
2289 		return (status >> 16) & 0xF;
2290 	case AES32:
2291 		status = hdspm_read(hdspm, HDSPM_statusRegister);
2292 		return (status >> HDSPM_AES32_wcFreq_bit) & 0xF;
2293 	default:
2294 		break;
2295 	}
2296 
2297 
2298 	return 0;
2299 }
2300 
2301 
2302 /*
2303  * Returns the TCO sample rate class for the given card.
2304  */
2305 static int hdspm_get_tco_sample_rate(struct hdspm *hdspm)
2306 {
2307 	int status;
2308 
2309 	if (hdspm->tco) {
2310 		switch (hdspm->io_type) {
2311 		case RayDAT:
2312 		case AIO:
2313 			status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
2314 			return (status >> 20) & 0xF;
2315 		case AES32:
2316 			status = hdspm_read(hdspm, HDSPM_statusRegister);
2317 			return (status >> 1) & 0xF;
2318 		default:
2319 			break;
2320 		}
2321 	}
2322 
2323 	return 0;
2324 }
2325 
2326 
2327 /*
2328  * Returns the SYNC_IN sample rate class for the given card.
2329  */
2330 static int hdspm_get_sync_in_sample_rate(struct hdspm *hdspm)
2331 {
2332 	int status;
2333 
2334 	if (hdspm->tco) {
2335 		switch (hdspm->io_type) {
2336 		case RayDAT:
2337 		case AIO:
2338 			status = hdspm_read(hdspm, HDSPM_RD_STATUS_2);
2339 			return (status >> 12) & 0xF;
2340 		default:
2341 			break;
2342 		}
2343 	}
2344 
2345 	return 0;
2346 }
2347 
2348 /*
2349  * Returns the AES sample rate class for the given card.
2350  */
2351 static int hdspm_get_aes_sample_rate(struct hdspm *hdspm, int index)
2352 {
2353 	int timecode;
2354 
2355 	switch (hdspm->io_type) {
2356 	case AES32:
2357 		timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
2358 		return (timecode >> (4*index)) & 0xF;
2359 	default:
2360 		break;
2361 	}
2362 	return 0;
2363 }
2364 
2365 /*
2366  * Returns the sample rate class for input source <idx> for
2367  * 'new style' cards like the AIO and RayDAT.
2368  */
2369 static int hdspm_get_s1_sample_rate(struct hdspm *hdspm, unsigned int idx)
2370 {
2371 	int status = hdspm_read(hdspm, HDSPM_RD_STATUS_2);
2372 
2373 	return (status >> (idx*4)) & 0xF;
2374 }
2375 
2376 #define ENUMERATED_CTL_INFO(info, texts) \
2377 	snd_ctl_enum_info(info, 1, ARRAY_SIZE(texts), texts)
2378 
2379 
2380 /* Helper function to query the external sample rate and return the
2381  * corresponding enum to be returned to userspace.
2382  */
2383 static int hdspm_external_rate_to_enum(struct hdspm *hdspm)
2384 {
2385 	int rate = hdspm_external_sample_rate(hdspm);
2386 	int i, selected_rate = 0;
2387 	for (i = 1; i < 10; i++)
2388 		if (HDSPM_bit2freq(i) == rate) {
2389 			selected_rate = i;
2390 			break;
2391 		}
2392 	return selected_rate;
2393 }
2394 
2395 
2396 #define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
2397 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2398 	.name = xname, \
2399 	.private_value = xindex, \
2400 	.access = SNDRV_CTL_ELEM_ACCESS_READ, \
2401 	.info = snd_hdspm_info_autosync_sample_rate, \
2402 	.get = snd_hdspm_get_autosync_sample_rate \
2403 }
2404 
2405 
2406 static int snd_hdspm_info_autosync_sample_rate(struct snd_kcontrol *kcontrol,
2407 					       struct snd_ctl_elem_info *uinfo)
2408 {
2409 	ENUMERATED_CTL_INFO(uinfo, texts_freq);
2410 	return 0;
2411 }
2412 
2413 
2414 static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
2415 					      struct snd_ctl_elem_value *
2416 					      ucontrol)
2417 {
2418 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2419 
2420 	switch (hdspm->io_type) {
2421 	case RayDAT:
2422 		switch (kcontrol->private_value) {
2423 		case 0:
2424 			ucontrol->value.enumerated.item[0] =
2425 				hdspm_get_wc_sample_rate(hdspm);
2426 			break;
2427 		case 7:
2428 			ucontrol->value.enumerated.item[0] =
2429 				hdspm_get_tco_sample_rate(hdspm);
2430 			break;
2431 		case 8:
2432 			ucontrol->value.enumerated.item[0] =
2433 				hdspm_get_sync_in_sample_rate(hdspm);
2434 			break;
2435 		default:
2436 			ucontrol->value.enumerated.item[0] =
2437 				hdspm_get_s1_sample_rate(hdspm,
2438 						kcontrol->private_value-1);
2439 		}
2440 		break;
2441 
2442 	case AIO:
2443 		switch (kcontrol->private_value) {
2444 		case 0: /* WC */
2445 			ucontrol->value.enumerated.item[0] =
2446 				hdspm_get_wc_sample_rate(hdspm);
2447 			break;
2448 		case 4: /* TCO */
2449 			ucontrol->value.enumerated.item[0] =
2450 				hdspm_get_tco_sample_rate(hdspm);
2451 			break;
2452 		case 5: /* SYNC_IN */
2453 			ucontrol->value.enumerated.item[0] =
2454 				hdspm_get_sync_in_sample_rate(hdspm);
2455 			break;
2456 		default:
2457 			ucontrol->value.enumerated.item[0] =
2458 				hdspm_get_s1_sample_rate(hdspm,
2459 						kcontrol->private_value-1);
2460 		}
2461 		break;
2462 
2463 	case AES32:
2464 
2465 		switch (kcontrol->private_value) {
2466 		case 0: /* WC */
2467 			ucontrol->value.enumerated.item[0] =
2468 				hdspm_get_wc_sample_rate(hdspm);
2469 			break;
2470 		case 9: /* TCO */
2471 			ucontrol->value.enumerated.item[0] =
2472 				hdspm_get_tco_sample_rate(hdspm);
2473 			break;
2474 		case 10: /* SYNC_IN */
2475 			ucontrol->value.enumerated.item[0] =
2476 				hdspm_get_sync_in_sample_rate(hdspm);
2477 			break;
2478 		case 11: /* External Rate */
2479 			ucontrol->value.enumerated.item[0] =
2480 				hdspm_external_rate_to_enum(hdspm);
2481 			break;
2482 		default: /* AES1 to AES8 */
2483 			ucontrol->value.enumerated.item[0] =
2484 				hdspm_get_aes_sample_rate(hdspm,
2485 						kcontrol->private_value -
2486 						HDSPM_AES32_AUTOSYNC_FROM_AES1);
2487 			break;
2488 		}
2489 		break;
2490 
2491 	case MADI:
2492 	case MADIface:
2493 		ucontrol->value.enumerated.item[0] =
2494 			hdspm_external_rate_to_enum(hdspm);
2495 		break;
2496 	default:
2497 		break;
2498 	}
2499 
2500 	return 0;
2501 }
2502 
2503 
2504 #define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
2505 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2506 	.name = xname, \
2507 	.index = xindex, \
2508 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
2509 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2510 	.info = snd_hdspm_info_system_clock_mode, \
2511 	.get = snd_hdspm_get_system_clock_mode, \
2512 	.put = snd_hdspm_put_system_clock_mode, \
2513 }
2514 
2515 
2516 /*
2517  * Returns the system clock mode for the given card.
2518  * @returns 0 - master, 1 - slave
2519  */
2520 static int hdspm_system_clock_mode(struct hdspm *hdspm)
2521 {
2522 	switch (hdspm->io_type) {
2523 	case AIO:
2524 	case RayDAT:
2525 		if (hdspm->settings_register & HDSPM_c0Master)
2526 			return 0;
2527 		break;
2528 
2529 	default:
2530 		if (hdspm->control_register & HDSPM_ClockModeMaster)
2531 			return 0;
2532 	}
2533 
2534 	return 1;
2535 }
2536 
2537 
2538 /*
2539  * Sets the system clock mode.
2540  * @param mode 0 - master, 1 - slave
2541  */
2542 static void hdspm_set_system_clock_mode(struct hdspm *hdspm, int mode)
2543 {
2544 	hdspm_set_toggle_setting(hdspm,
2545 			(hdspm_is_raydat_or_aio(hdspm)) ?
2546 			HDSPM_c0Master : HDSPM_ClockModeMaster,
2547 			(0 == mode));
2548 }
2549 
2550 
2551 static int snd_hdspm_info_system_clock_mode(struct snd_kcontrol *kcontrol,
2552 					    struct snd_ctl_elem_info *uinfo)
2553 {
2554 	static const char *const texts[] = { "Master", "AutoSync" };
2555 	ENUMERATED_CTL_INFO(uinfo, texts);
2556 	return 0;
2557 }
2558 
2559 static int snd_hdspm_get_system_clock_mode(struct snd_kcontrol *kcontrol,
2560 					   struct snd_ctl_elem_value *ucontrol)
2561 {
2562 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2563 
2564 	ucontrol->value.enumerated.item[0] = hdspm_system_clock_mode(hdspm);
2565 	return 0;
2566 }
2567 
2568 static int snd_hdspm_put_system_clock_mode(struct snd_kcontrol *kcontrol,
2569 					   struct snd_ctl_elem_value *ucontrol)
2570 {
2571 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2572 	int val;
2573 
2574 	if (!snd_hdspm_use_is_exclusive(hdspm))
2575 		return -EBUSY;
2576 
2577 	val = ucontrol->value.enumerated.item[0];
2578 	if (val < 0)
2579 		val = 0;
2580 	else if (val > 1)
2581 		val = 1;
2582 
2583 	hdspm_set_system_clock_mode(hdspm, val);
2584 
2585 	return 0;
2586 }
2587 
2588 
2589 #define HDSPM_INTERNAL_CLOCK(xname, xindex) \
2590 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2591 	.name = xname, \
2592 	.index = xindex, \
2593 	.info = snd_hdspm_info_clock_source, \
2594 	.get = snd_hdspm_get_clock_source, \
2595 	.put = snd_hdspm_put_clock_source \
2596 }
2597 
2598 
2599 static int hdspm_clock_source(struct hdspm * hdspm)
2600 {
2601 	switch (hdspm->system_sample_rate) {
2602 	case 32000: return 0;
2603 	case 44100: return 1;
2604 	case 48000: return 2;
2605 	case 64000: return 3;
2606 	case 88200: return 4;
2607 	case 96000: return 5;
2608 	case 128000: return 6;
2609 	case 176400: return 7;
2610 	case 192000: return 8;
2611 	}
2612 
2613 	return -1;
2614 }
2615 
2616 static int hdspm_set_clock_source(struct hdspm * hdspm, int mode)
2617 {
2618 	int rate;
2619 	switch (mode) {
2620 	case 0:
2621 		rate = 32000; break;
2622 	case 1:
2623 		rate = 44100; break;
2624 	case 2:
2625 		rate = 48000; break;
2626 	case 3:
2627 		rate = 64000; break;
2628 	case 4:
2629 		rate = 88200; break;
2630 	case 5:
2631 		rate = 96000; break;
2632 	case 6:
2633 		rate = 128000; break;
2634 	case 7:
2635 		rate = 176400; break;
2636 	case 8:
2637 		rate = 192000; break;
2638 	default:
2639 		rate = 48000;
2640 	}
2641 	hdspm_set_rate(hdspm, rate, 1);
2642 	return 0;
2643 }
2644 
2645 static int snd_hdspm_info_clock_source(struct snd_kcontrol *kcontrol,
2646 				       struct snd_ctl_elem_info *uinfo)
2647 {
2648 	return snd_ctl_enum_info(uinfo, 1, 9, texts_freq + 1);
2649 }
2650 
2651 static int snd_hdspm_get_clock_source(struct snd_kcontrol *kcontrol,
2652 				      struct snd_ctl_elem_value *ucontrol)
2653 {
2654 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2655 
2656 	ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
2657 	return 0;
2658 }
2659 
2660 static int snd_hdspm_put_clock_source(struct snd_kcontrol *kcontrol,
2661 				      struct snd_ctl_elem_value *ucontrol)
2662 {
2663 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2664 	int change;
2665 	int val;
2666 
2667 	if (!snd_hdspm_use_is_exclusive(hdspm))
2668 		return -EBUSY;
2669 	val = ucontrol->value.enumerated.item[0];
2670 	if (val < 0)
2671 		val = 0;
2672 	if (val > 9)
2673 		val = 9;
2674 	spin_lock_irq(&hdspm->lock);
2675 	if (val != hdspm_clock_source(hdspm))
2676 		change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
2677 	else
2678 		change = 0;
2679 	spin_unlock_irq(&hdspm->lock);
2680 	return change;
2681 }
2682 
2683 
2684 #define HDSPM_PREF_SYNC_REF(xname, xindex) \
2685 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2686 	.name = xname, \
2687 	.index = xindex, \
2688 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
2689 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2690 	.info = snd_hdspm_info_pref_sync_ref, \
2691 	.get = snd_hdspm_get_pref_sync_ref, \
2692 	.put = snd_hdspm_put_pref_sync_ref \
2693 }
2694 
2695 
2696 /*
2697  * Returns the current preferred sync reference setting.
2698  * The semantics of the return value are depending on the
2699  * card, please see the comments for clarification.
2700  */
2701 static int hdspm_pref_sync_ref(struct hdspm * hdspm)
2702 {
2703 	switch (hdspm->io_type) {
2704 	case AES32:
2705 		switch (hdspm->control_register & HDSPM_SyncRefMask) {
2706 		case 0: return 0;  /* WC */
2707 		case HDSPM_SyncRef0: return 1; /* AES 1 */
2708 		case HDSPM_SyncRef1: return 2; /* AES 2 */
2709 		case HDSPM_SyncRef1+HDSPM_SyncRef0: return 3; /* AES 3 */
2710 		case HDSPM_SyncRef2: return 4; /* AES 4 */
2711 		case HDSPM_SyncRef2+HDSPM_SyncRef0: return 5; /* AES 5 */
2712 		case HDSPM_SyncRef2+HDSPM_SyncRef1: return 6; /* AES 6 */
2713 		case HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0:
2714 						    return 7; /* AES 7 */
2715 		case HDSPM_SyncRef3: return 8; /* AES 8 */
2716 		case HDSPM_SyncRef3+HDSPM_SyncRef0: return 9; /* TCO */
2717 		}
2718 		break;
2719 
2720 	case MADI:
2721 	case MADIface:
2722 		if (hdspm->tco) {
2723 			switch (hdspm->control_register & HDSPM_SyncRefMask) {
2724 			case 0: return 0;  /* WC */
2725 			case HDSPM_SyncRef0: return 1;  /* MADI */
2726 			case HDSPM_SyncRef1: return 2;  /* TCO */
2727 			case HDSPM_SyncRef1+HDSPM_SyncRef0:
2728 					     return 3;  /* SYNC_IN */
2729 			}
2730 		} else {
2731 			switch (hdspm->control_register & HDSPM_SyncRefMask) {
2732 			case 0: return 0;  /* WC */
2733 			case HDSPM_SyncRef0: return 1;  /* MADI */
2734 			case HDSPM_SyncRef1+HDSPM_SyncRef0:
2735 					     return 2;  /* SYNC_IN */
2736 			}
2737 		}
2738 		break;
2739 
2740 	case RayDAT:
2741 		if (hdspm->tco) {
2742 			switch ((hdspm->settings_register &
2743 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2744 			case 0: return 0;  /* WC */
2745 			case 3: return 1;  /* ADAT 1 */
2746 			case 4: return 2;  /* ADAT 2 */
2747 			case 5: return 3;  /* ADAT 3 */
2748 			case 6: return 4;  /* ADAT 4 */
2749 			case 1: return 5;  /* AES */
2750 			case 2: return 6;  /* SPDIF */
2751 			case 9: return 7;  /* TCO */
2752 			case 10: return 8; /* SYNC_IN */
2753 			}
2754 		} else {
2755 			switch ((hdspm->settings_register &
2756 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2757 			case 0: return 0;  /* WC */
2758 			case 3: return 1;  /* ADAT 1 */
2759 			case 4: return 2;  /* ADAT 2 */
2760 			case 5: return 3;  /* ADAT 3 */
2761 			case 6: return 4;  /* ADAT 4 */
2762 			case 1: return 5;  /* AES */
2763 			case 2: return 6;  /* SPDIF */
2764 			case 10: return 7; /* SYNC_IN */
2765 			}
2766 		}
2767 
2768 		break;
2769 
2770 	case AIO:
2771 		if (hdspm->tco) {
2772 			switch ((hdspm->settings_register &
2773 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2774 			case 0: return 0;  /* WC */
2775 			case 3: return 1;  /* ADAT */
2776 			case 1: return 2;  /* AES */
2777 			case 2: return 3;  /* SPDIF */
2778 			case 9: return 4;  /* TCO */
2779 			case 10: return 5; /* SYNC_IN */
2780 			}
2781 		} else {
2782 			switch ((hdspm->settings_register &
2783 				HDSPM_c0_SyncRefMask) / HDSPM_c0_SyncRef0) {
2784 			case 0: return 0;  /* WC */
2785 			case 3: return 1;  /* ADAT */
2786 			case 1: return 2;  /* AES */
2787 			case 2: return 3;  /* SPDIF */
2788 			case 10: return 4; /* SYNC_IN */
2789 			}
2790 		}
2791 
2792 		break;
2793 	}
2794 
2795 	return -1;
2796 }
2797 
2798 
2799 /*
2800  * Set the preferred sync reference to <pref>. The semantics
2801  * of <pref> are depending on the card type, see the comments
2802  * for clarification.
2803  */
2804 static int hdspm_set_pref_sync_ref(struct hdspm * hdspm, int pref)
2805 {
2806 	int p = 0;
2807 
2808 	switch (hdspm->io_type) {
2809 	case AES32:
2810 		hdspm->control_register &= ~HDSPM_SyncRefMask;
2811 		switch (pref) {
2812 		case 0: /* WC  */
2813 			break;
2814 		case 1: /* AES 1 */
2815 			hdspm->control_register |= HDSPM_SyncRef0;
2816 			break;
2817 		case 2: /* AES 2 */
2818 			hdspm->control_register |= HDSPM_SyncRef1;
2819 			break;
2820 		case 3: /* AES 3 */
2821 			hdspm->control_register |=
2822 				HDSPM_SyncRef1+HDSPM_SyncRef0;
2823 			break;
2824 		case 4: /* AES 4 */
2825 			hdspm->control_register |= HDSPM_SyncRef2;
2826 			break;
2827 		case 5: /* AES 5 */
2828 			hdspm->control_register |=
2829 				HDSPM_SyncRef2+HDSPM_SyncRef0;
2830 			break;
2831 		case 6: /* AES 6 */
2832 			hdspm->control_register |=
2833 				HDSPM_SyncRef2+HDSPM_SyncRef1;
2834 			break;
2835 		case 7: /* AES 7 */
2836 			hdspm->control_register |=
2837 				HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
2838 			break;
2839 		case 8: /* AES 8 */
2840 			hdspm->control_register |= HDSPM_SyncRef3;
2841 			break;
2842 		case 9: /* TCO */
2843 			hdspm->control_register |=
2844 				HDSPM_SyncRef3+HDSPM_SyncRef0;
2845 			break;
2846 		default:
2847 			return -1;
2848 		}
2849 
2850 		break;
2851 
2852 	case MADI:
2853 	case MADIface:
2854 		hdspm->control_register &= ~HDSPM_SyncRefMask;
2855 		if (hdspm->tco) {
2856 			switch (pref) {
2857 			case 0: /* WC */
2858 				break;
2859 			case 1: /* MADI */
2860 				hdspm->control_register |= HDSPM_SyncRef0;
2861 				break;
2862 			case 2: /* TCO */
2863 				hdspm->control_register |= HDSPM_SyncRef1;
2864 				break;
2865 			case 3: /* SYNC_IN */
2866 				hdspm->control_register |=
2867 					HDSPM_SyncRef0+HDSPM_SyncRef1;
2868 				break;
2869 			default:
2870 				return -1;
2871 			}
2872 		} else {
2873 			switch (pref) {
2874 			case 0: /* WC */
2875 				break;
2876 			case 1: /* MADI */
2877 				hdspm->control_register |= HDSPM_SyncRef0;
2878 				break;
2879 			case 2: /* SYNC_IN */
2880 				hdspm->control_register |=
2881 					HDSPM_SyncRef0+HDSPM_SyncRef1;
2882 				break;
2883 			default:
2884 				return -1;
2885 			}
2886 		}
2887 
2888 		break;
2889 
2890 	case RayDAT:
2891 		if (hdspm->tco) {
2892 			switch (pref) {
2893 			case 0: p = 0; break;  /* WC */
2894 			case 1: p = 3; break;  /* ADAT 1 */
2895 			case 2: p = 4; break;  /* ADAT 2 */
2896 			case 3: p = 5; break;  /* ADAT 3 */
2897 			case 4: p = 6; break;  /* ADAT 4 */
2898 			case 5: p = 1; break;  /* AES */
2899 			case 6: p = 2; break;  /* SPDIF */
2900 			case 7: p = 9; break;  /* TCO */
2901 			case 8: p = 10; break; /* SYNC_IN */
2902 			default: return -1;
2903 			}
2904 		} else {
2905 			switch (pref) {
2906 			case 0: p = 0; break;  /* WC */
2907 			case 1: p = 3; break;  /* ADAT 1 */
2908 			case 2: p = 4; break;  /* ADAT 2 */
2909 			case 3: p = 5; break;  /* ADAT 3 */
2910 			case 4: p = 6; break;  /* ADAT 4 */
2911 			case 5: p = 1; break;  /* AES */
2912 			case 6: p = 2; break;  /* SPDIF */
2913 			case 7: p = 10; break; /* SYNC_IN */
2914 			default: return -1;
2915 			}
2916 		}
2917 		break;
2918 
2919 	case AIO:
2920 		if (hdspm->tco) {
2921 			switch (pref) {
2922 			case 0: p = 0; break;  /* WC */
2923 			case 1: p = 3; break;  /* ADAT */
2924 			case 2: p = 1; break;  /* AES */
2925 			case 3: p = 2; break;  /* SPDIF */
2926 			case 4: p = 9; break;  /* TCO */
2927 			case 5: p = 10; break; /* SYNC_IN */
2928 			default: return -1;
2929 			}
2930 		} else {
2931 			switch (pref) {
2932 			case 0: p = 0; break;  /* WC */
2933 			case 1: p = 3; break;  /* ADAT */
2934 			case 2: p = 1; break;  /* AES */
2935 			case 3: p = 2; break;  /* SPDIF */
2936 			case 4: p = 10; break; /* SYNC_IN */
2937 			default: return -1;
2938 			}
2939 		}
2940 		break;
2941 	}
2942 
2943 	switch (hdspm->io_type) {
2944 	case RayDAT:
2945 	case AIO:
2946 		hdspm->settings_register &= ~HDSPM_c0_SyncRefMask;
2947 		hdspm->settings_register |= HDSPM_c0_SyncRef0 * p;
2948 		hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
2949 		break;
2950 
2951 	case MADI:
2952 	case MADIface:
2953 	case AES32:
2954 		hdspm_write(hdspm, HDSPM_controlRegister,
2955 				hdspm->control_register);
2956 	}
2957 
2958 	return 0;
2959 }
2960 
2961 
2962 static int snd_hdspm_info_pref_sync_ref(struct snd_kcontrol *kcontrol,
2963 					struct snd_ctl_elem_info *uinfo)
2964 {
2965 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2966 
2967 	snd_ctl_enum_info(uinfo, 1, hdspm->texts_autosync_items, hdspm->texts_autosync);
2968 
2969 	return 0;
2970 }
2971 
2972 static int snd_hdspm_get_pref_sync_ref(struct snd_kcontrol *kcontrol,
2973 				       struct snd_ctl_elem_value *ucontrol)
2974 {
2975 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2976 	int psf = hdspm_pref_sync_ref(hdspm);
2977 
2978 	if (psf >= 0) {
2979 		ucontrol->value.enumerated.item[0] = psf;
2980 		return 0;
2981 	}
2982 
2983 	return -1;
2984 }
2985 
2986 static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
2987 				       struct snd_ctl_elem_value *ucontrol)
2988 {
2989 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2990 	int val, change = 0;
2991 
2992 	if (!snd_hdspm_use_is_exclusive(hdspm))
2993 		return -EBUSY;
2994 
2995 	val = ucontrol->value.enumerated.item[0];
2996 
2997 	if (val < 0)
2998 		val = 0;
2999 	else if (val >= hdspm->texts_autosync_items)
3000 		val = hdspm->texts_autosync_items-1;
3001 
3002 	spin_lock_irq(&hdspm->lock);
3003 	if (val != hdspm_pref_sync_ref(hdspm))
3004 		change = (0 == hdspm_set_pref_sync_ref(hdspm, val)) ? 1 : 0;
3005 
3006 	spin_unlock_irq(&hdspm->lock);
3007 	return change;
3008 }
3009 
3010 
3011 #define HDSPM_AUTOSYNC_REF(xname, xindex) \
3012 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3013 	.name = xname, \
3014 	.index = xindex, \
3015 	.access = SNDRV_CTL_ELEM_ACCESS_READ, \
3016 	.info = snd_hdspm_info_autosync_ref, \
3017 	.get = snd_hdspm_get_autosync_ref, \
3018 }
3019 
3020 static int hdspm_autosync_ref(struct hdspm *hdspm)
3021 {
3022 	/* This looks at the autosync selected sync reference */
3023 	if (AES32 == hdspm->io_type) {
3024 
3025 		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
3026 		unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
3027 		/* syncref >= HDSPM_AES32_AUTOSYNC_FROM_WORD is always true */
3028 		if (syncref <= HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN) {
3029 			return syncref;
3030 		}
3031 		return HDSPM_AES32_AUTOSYNC_FROM_NONE;
3032 
3033 	} else if (MADI == hdspm->io_type) {
3034 
3035 		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
3036 		switch (status2 & HDSPM_SelSyncRefMask) {
3037 		case HDSPM_SelSyncRef_WORD:
3038 			return HDSPM_AUTOSYNC_FROM_WORD;
3039 		case HDSPM_SelSyncRef_MADI:
3040 			return HDSPM_AUTOSYNC_FROM_MADI;
3041 		case HDSPM_SelSyncRef_TCO:
3042 			return HDSPM_AUTOSYNC_FROM_TCO;
3043 		case HDSPM_SelSyncRef_SyncIn:
3044 			return HDSPM_AUTOSYNC_FROM_SYNC_IN;
3045 		case HDSPM_SelSyncRef_NVALID:
3046 			return HDSPM_AUTOSYNC_FROM_NONE;
3047 		default:
3048 			return HDSPM_AUTOSYNC_FROM_NONE;
3049 		}
3050 
3051 	}
3052 	return 0;
3053 }
3054 
3055 
3056 static int snd_hdspm_info_autosync_ref(struct snd_kcontrol *kcontrol,
3057 				       struct snd_ctl_elem_info *uinfo)
3058 {
3059 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3060 
3061 	if (AES32 == hdspm->io_type) {
3062 		static const char *const texts[] = { "WordClock", "AES1", "AES2", "AES3",
3063 			"AES4",	"AES5", "AES6", "AES7", "AES8", "TCO", "Sync In", "None"};
3064 
3065 		ENUMERATED_CTL_INFO(uinfo, texts);
3066 	} else if (MADI == hdspm->io_type) {
3067 		static const char *const texts[] = {"Word Clock", "MADI", "TCO",
3068 			"Sync In", "None" };
3069 
3070 		ENUMERATED_CTL_INFO(uinfo, texts);
3071 	}
3072 	return 0;
3073 }
3074 
3075 static int snd_hdspm_get_autosync_ref(struct snd_kcontrol *kcontrol,
3076 				      struct snd_ctl_elem_value *ucontrol)
3077 {
3078 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3079 
3080 	ucontrol->value.enumerated.item[0] = hdspm_autosync_ref(hdspm);
3081 	return 0;
3082 }
3083 
3084 
3085 
3086 #define HDSPM_TCO_VIDEO_INPUT_FORMAT(xname, xindex) \
3087 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3088 	.name = xname, \
3089 	.access = SNDRV_CTL_ELEM_ACCESS_READ |\
3090 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3091 	.info = snd_hdspm_info_tco_video_input_format, \
3092 	.get = snd_hdspm_get_tco_video_input_format, \
3093 }
3094 
3095 static int snd_hdspm_info_tco_video_input_format(struct snd_kcontrol *kcontrol,
3096 				       struct snd_ctl_elem_info *uinfo)
3097 {
3098 	static const char *const texts[] = {"No video", "NTSC", "PAL"};
3099 	ENUMERATED_CTL_INFO(uinfo, texts);
3100 	return 0;
3101 }
3102 
3103 static int snd_hdspm_get_tco_video_input_format(struct snd_kcontrol *kcontrol,
3104 				      struct snd_ctl_elem_value *ucontrol)
3105 {
3106 	u32 status;
3107 	int ret = 0;
3108 
3109 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3110 	status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
3111 	switch (status & (HDSPM_TCO1_Video_Input_Format_NTSC |
3112 			HDSPM_TCO1_Video_Input_Format_PAL)) {
3113 	case HDSPM_TCO1_Video_Input_Format_NTSC:
3114 		/* ntsc */
3115 		ret = 1;
3116 		break;
3117 	case HDSPM_TCO1_Video_Input_Format_PAL:
3118 		/* pal */
3119 		ret = 2;
3120 		break;
3121 	default:
3122 		/* no video */
3123 		ret = 0;
3124 		break;
3125 	}
3126 	ucontrol->value.enumerated.item[0] = ret;
3127 	return 0;
3128 }
3129 
3130 
3131 
3132 #define HDSPM_TCO_LTC_FRAMES(xname, xindex) \
3133 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3134 	.name = xname, \
3135 	.access = SNDRV_CTL_ELEM_ACCESS_READ |\
3136 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3137 	.info = snd_hdspm_info_tco_ltc_frames, \
3138 	.get = snd_hdspm_get_tco_ltc_frames, \
3139 }
3140 
3141 static int snd_hdspm_info_tco_ltc_frames(struct snd_kcontrol *kcontrol,
3142 				       struct snd_ctl_elem_info *uinfo)
3143 {
3144 	static const char *const texts[] = {"No lock", "24 fps", "25 fps", "29.97 fps",
3145 				"30 fps"};
3146 	ENUMERATED_CTL_INFO(uinfo, texts);
3147 	return 0;
3148 }
3149 
3150 static int hdspm_tco_ltc_frames(struct hdspm *hdspm)
3151 {
3152 	u32 status;
3153 	int ret = 0;
3154 
3155 	status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
3156 	if (status & HDSPM_TCO1_LTC_Input_valid) {
3157 		switch (status & (HDSPM_TCO1_LTC_Format_LSB |
3158 					HDSPM_TCO1_LTC_Format_MSB)) {
3159 		case 0:
3160 			/* 24 fps */
3161 			ret = fps_24;
3162 			break;
3163 		case HDSPM_TCO1_LTC_Format_LSB:
3164 			/* 25 fps */
3165 			ret = fps_25;
3166 			break;
3167 		case HDSPM_TCO1_LTC_Format_MSB:
3168 			/* 29.97 fps */
3169 			ret = fps_2997;
3170 			break;
3171 		default:
3172 			/* 30 fps */
3173 			ret = fps_30;
3174 			break;
3175 		}
3176 	}
3177 
3178 	return ret;
3179 }
3180 
3181 static int snd_hdspm_get_tco_ltc_frames(struct snd_kcontrol *kcontrol,
3182 				      struct snd_ctl_elem_value *ucontrol)
3183 {
3184 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3185 
3186 	ucontrol->value.enumerated.item[0] = hdspm_tco_ltc_frames(hdspm);
3187 	return 0;
3188 }
3189 
3190 #define HDSPM_TOGGLE_SETTING(xname, xindex) \
3191 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3192 	.name = xname, \
3193 	.private_value = xindex, \
3194 	.info = snd_hdspm_info_toggle_setting, \
3195 	.get = snd_hdspm_get_toggle_setting, \
3196 	.put = snd_hdspm_put_toggle_setting \
3197 }
3198 
3199 static int hdspm_toggle_setting(struct hdspm *hdspm, u32 regmask)
3200 {
3201 	u32 reg;
3202 
3203 	if (hdspm_is_raydat_or_aio(hdspm))
3204 		reg = hdspm->settings_register;
3205 	else
3206 		reg = hdspm->control_register;
3207 
3208 	return (reg & regmask) ? 1 : 0;
3209 }
3210 
3211 static int hdspm_set_toggle_setting(struct hdspm *hdspm, u32 regmask, int out)
3212 {
3213 	u32 *reg;
3214 	u32 target_reg;
3215 
3216 	if (hdspm_is_raydat_or_aio(hdspm)) {
3217 		reg = &(hdspm->settings_register);
3218 		target_reg = HDSPM_WR_SETTINGS;
3219 	} else {
3220 		reg = &(hdspm->control_register);
3221 		target_reg = HDSPM_controlRegister;
3222 	}
3223 
3224 	if (out)
3225 		*reg |= regmask;
3226 	else
3227 		*reg &= ~regmask;
3228 
3229 	hdspm_write(hdspm, target_reg, *reg);
3230 
3231 	return 0;
3232 }
3233 
3234 #define snd_hdspm_info_toggle_setting		snd_ctl_boolean_mono_info
3235 
3236 static int snd_hdspm_get_toggle_setting(struct snd_kcontrol *kcontrol,
3237 			       struct snd_ctl_elem_value *ucontrol)
3238 {
3239 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3240 	u32 regmask = kcontrol->private_value;
3241 
3242 	spin_lock_irq(&hdspm->lock);
3243 	ucontrol->value.integer.value[0] = hdspm_toggle_setting(hdspm, regmask);
3244 	spin_unlock_irq(&hdspm->lock);
3245 	return 0;
3246 }
3247 
3248 static int snd_hdspm_put_toggle_setting(struct snd_kcontrol *kcontrol,
3249 			       struct snd_ctl_elem_value *ucontrol)
3250 {
3251 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3252 	u32 regmask = kcontrol->private_value;
3253 	int change;
3254 	unsigned int val;
3255 
3256 	if (!snd_hdspm_use_is_exclusive(hdspm))
3257 		return -EBUSY;
3258 	val = ucontrol->value.integer.value[0] & 1;
3259 	spin_lock_irq(&hdspm->lock);
3260 	change = (int) val != hdspm_toggle_setting(hdspm, regmask);
3261 	hdspm_set_toggle_setting(hdspm, regmask, val);
3262 	spin_unlock_irq(&hdspm->lock);
3263 	return change;
3264 }
3265 
3266 #define HDSPM_INPUT_SELECT(xname, xindex) \
3267 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3268 	.name = xname, \
3269 	.index = xindex, \
3270 	.info = snd_hdspm_info_input_select, \
3271 	.get = snd_hdspm_get_input_select, \
3272 	.put = snd_hdspm_put_input_select \
3273 }
3274 
3275 static int hdspm_input_select(struct hdspm * hdspm)
3276 {
3277 	return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
3278 }
3279 
3280 static int hdspm_set_input_select(struct hdspm * hdspm, int out)
3281 {
3282 	if (out)
3283 		hdspm->control_register |= HDSPM_InputSelect0;
3284 	else
3285 		hdspm->control_register &= ~HDSPM_InputSelect0;
3286 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3287 
3288 	return 0;
3289 }
3290 
3291 static int snd_hdspm_info_input_select(struct snd_kcontrol *kcontrol,
3292 				       struct snd_ctl_elem_info *uinfo)
3293 {
3294 	static const char *const texts[] = { "optical", "coaxial" };
3295 	ENUMERATED_CTL_INFO(uinfo, texts);
3296 	return 0;
3297 }
3298 
3299 static int snd_hdspm_get_input_select(struct snd_kcontrol *kcontrol,
3300 				      struct snd_ctl_elem_value *ucontrol)
3301 {
3302 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3303 
3304 	spin_lock_irq(&hdspm->lock);
3305 	ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
3306 	spin_unlock_irq(&hdspm->lock);
3307 	return 0;
3308 }
3309 
3310 static int snd_hdspm_put_input_select(struct snd_kcontrol *kcontrol,
3311 				      struct snd_ctl_elem_value *ucontrol)
3312 {
3313 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3314 	int change;
3315 	unsigned int val;
3316 
3317 	if (!snd_hdspm_use_is_exclusive(hdspm))
3318 		return -EBUSY;
3319 	val = ucontrol->value.integer.value[0] & 1;
3320 	spin_lock_irq(&hdspm->lock);
3321 	change = (int) val != hdspm_input_select(hdspm);
3322 	hdspm_set_input_select(hdspm, val);
3323 	spin_unlock_irq(&hdspm->lock);
3324 	return change;
3325 }
3326 
3327 
3328 #define HDSPM_DS_WIRE(xname, xindex) \
3329 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3330 	.name = xname, \
3331 	.index = xindex, \
3332 	.info = snd_hdspm_info_ds_wire, \
3333 	.get = snd_hdspm_get_ds_wire, \
3334 	.put = snd_hdspm_put_ds_wire \
3335 }
3336 
3337 static int hdspm_ds_wire(struct hdspm * hdspm)
3338 {
3339 	return (hdspm->control_register & HDSPM_DS_DoubleWire) ? 1 : 0;
3340 }
3341 
3342 static int hdspm_set_ds_wire(struct hdspm * hdspm, int ds)
3343 {
3344 	if (ds)
3345 		hdspm->control_register |= HDSPM_DS_DoubleWire;
3346 	else
3347 		hdspm->control_register &= ~HDSPM_DS_DoubleWire;
3348 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3349 
3350 	return 0;
3351 }
3352 
3353 static int snd_hdspm_info_ds_wire(struct snd_kcontrol *kcontrol,
3354 				  struct snd_ctl_elem_info *uinfo)
3355 {
3356 	static const char *const texts[] = { "Single", "Double" };
3357 	ENUMERATED_CTL_INFO(uinfo, texts);
3358 	return 0;
3359 }
3360 
3361 static int snd_hdspm_get_ds_wire(struct snd_kcontrol *kcontrol,
3362 				 struct snd_ctl_elem_value *ucontrol)
3363 {
3364 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3365 
3366 	spin_lock_irq(&hdspm->lock);
3367 	ucontrol->value.enumerated.item[0] = hdspm_ds_wire(hdspm);
3368 	spin_unlock_irq(&hdspm->lock);
3369 	return 0;
3370 }
3371 
3372 static int snd_hdspm_put_ds_wire(struct snd_kcontrol *kcontrol,
3373 				 struct snd_ctl_elem_value *ucontrol)
3374 {
3375 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3376 	int change;
3377 	unsigned int val;
3378 
3379 	if (!snd_hdspm_use_is_exclusive(hdspm))
3380 		return -EBUSY;
3381 	val = ucontrol->value.integer.value[0] & 1;
3382 	spin_lock_irq(&hdspm->lock);
3383 	change = (int) val != hdspm_ds_wire(hdspm);
3384 	hdspm_set_ds_wire(hdspm, val);
3385 	spin_unlock_irq(&hdspm->lock);
3386 	return change;
3387 }
3388 
3389 
3390 #define HDSPM_QS_WIRE(xname, xindex) \
3391 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3392 	.name = xname, \
3393 	.index = xindex, \
3394 	.info = snd_hdspm_info_qs_wire, \
3395 	.get = snd_hdspm_get_qs_wire, \
3396 	.put = snd_hdspm_put_qs_wire \
3397 }
3398 
3399 static int hdspm_qs_wire(struct hdspm * hdspm)
3400 {
3401 	if (hdspm->control_register & HDSPM_QS_DoubleWire)
3402 		return 1;
3403 	if (hdspm->control_register & HDSPM_QS_QuadWire)
3404 		return 2;
3405 	return 0;
3406 }
3407 
3408 static int hdspm_set_qs_wire(struct hdspm * hdspm, int mode)
3409 {
3410 	hdspm->control_register &= ~(HDSPM_QS_DoubleWire | HDSPM_QS_QuadWire);
3411 	switch (mode) {
3412 	case 0:
3413 		break;
3414 	case 1:
3415 		hdspm->control_register |= HDSPM_QS_DoubleWire;
3416 		break;
3417 	case 2:
3418 		hdspm->control_register |= HDSPM_QS_QuadWire;
3419 		break;
3420 	}
3421 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3422 
3423 	return 0;
3424 }
3425 
3426 static int snd_hdspm_info_qs_wire(struct snd_kcontrol *kcontrol,
3427 				       struct snd_ctl_elem_info *uinfo)
3428 {
3429 	static const char *const texts[] = { "Single", "Double", "Quad" };
3430 	ENUMERATED_CTL_INFO(uinfo, texts);
3431 	return 0;
3432 }
3433 
3434 static int snd_hdspm_get_qs_wire(struct snd_kcontrol *kcontrol,
3435 				      struct snd_ctl_elem_value *ucontrol)
3436 {
3437 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3438 
3439 	spin_lock_irq(&hdspm->lock);
3440 	ucontrol->value.enumerated.item[0] = hdspm_qs_wire(hdspm);
3441 	spin_unlock_irq(&hdspm->lock);
3442 	return 0;
3443 }
3444 
3445 static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
3446 				      struct snd_ctl_elem_value *ucontrol)
3447 {
3448 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3449 	int change;
3450 	int val;
3451 
3452 	if (!snd_hdspm_use_is_exclusive(hdspm))
3453 		return -EBUSY;
3454 	val = ucontrol->value.integer.value[0];
3455 	if (val < 0)
3456 		val = 0;
3457 	if (val > 2)
3458 		val = 2;
3459 	spin_lock_irq(&hdspm->lock);
3460 	change = val != hdspm_qs_wire(hdspm);
3461 	hdspm_set_qs_wire(hdspm, val);
3462 	spin_unlock_irq(&hdspm->lock);
3463 	return change;
3464 }
3465 
3466 #define HDSPM_CONTROL_TRISTATE(xname, xindex) \
3467 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3468 	.name = xname, \
3469 	.private_value = xindex, \
3470 	.info = snd_hdspm_info_tristate, \
3471 	.get = snd_hdspm_get_tristate, \
3472 	.put = snd_hdspm_put_tristate \
3473 }
3474 
3475 static int hdspm_tristate(struct hdspm *hdspm, u32 regmask)
3476 {
3477 	u32 reg = hdspm->settings_register & (regmask * 3);
3478 	return reg / regmask;
3479 }
3480 
3481 static int hdspm_set_tristate(struct hdspm *hdspm, int mode, u32 regmask)
3482 {
3483 	hdspm->settings_register &= ~(regmask * 3);
3484 	hdspm->settings_register |= (regmask * mode);
3485 	hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
3486 
3487 	return 0;
3488 }
3489 
3490 static int snd_hdspm_info_tristate(struct snd_kcontrol *kcontrol,
3491 				       struct snd_ctl_elem_info *uinfo)
3492 {
3493 	u32 regmask = kcontrol->private_value;
3494 
3495 	static const char *const texts_spdif[] = { "Optical", "Coaxial", "Internal" };
3496 	static const char *const texts_levels[] = { "Hi Gain", "+4 dBu", "-10 dBV" };
3497 
3498 	switch (regmask) {
3499 	case HDSPM_c0_Input0:
3500 		ENUMERATED_CTL_INFO(uinfo, texts_spdif);
3501 		break;
3502 	default:
3503 		ENUMERATED_CTL_INFO(uinfo, texts_levels);
3504 		break;
3505 	}
3506 	return 0;
3507 }
3508 
3509 static int snd_hdspm_get_tristate(struct snd_kcontrol *kcontrol,
3510 				      struct snd_ctl_elem_value *ucontrol)
3511 {
3512 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3513 	u32 regmask = kcontrol->private_value;
3514 
3515 	spin_lock_irq(&hdspm->lock);
3516 	ucontrol->value.enumerated.item[0] = hdspm_tristate(hdspm, regmask);
3517 	spin_unlock_irq(&hdspm->lock);
3518 	return 0;
3519 }
3520 
3521 static int snd_hdspm_put_tristate(struct snd_kcontrol *kcontrol,
3522 				      struct snd_ctl_elem_value *ucontrol)
3523 {
3524 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3525 	u32 regmask = kcontrol->private_value;
3526 	int change;
3527 	int val;
3528 
3529 	if (!snd_hdspm_use_is_exclusive(hdspm))
3530 		return -EBUSY;
3531 	val = ucontrol->value.integer.value[0];
3532 	if (val < 0)
3533 		val = 0;
3534 	if (val > 2)
3535 		val = 2;
3536 
3537 	spin_lock_irq(&hdspm->lock);
3538 	change = val != hdspm_tristate(hdspm, regmask);
3539 	hdspm_set_tristate(hdspm, val, regmask);
3540 	spin_unlock_irq(&hdspm->lock);
3541 	return change;
3542 }
3543 
3544 #define HDSPM_MADI_SPEEDMODE(xname, xindex) \
3545 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3546 	.name = xname, \
3547 	.index = xindex, \
3548 	.info = snd_hdspm_info_madi_speedmode, \
3549 	.get = snd_hdspm_get_madi_speedmode, \
3550 	.put = snd_hdspm_put_madi_speedmode \
3551 }
3552 
3553 static int hdspm_madi_speedmode(struct hdspm *hdspm)
3554 {
3555 	if (hdspm->control_register & HDSPM_QuadSpeed)
3556 		return 2;
3557 	if (hdspm->control_register & HDSPM_DoubleSpeed)
3558 		return 1;
3559 	return 0;
3560 }
3561 
3562 static int hdspm_set_madi_speedmode(struct hdspm *hdspm, int mode)
3563 {
3564 	hdspm->control_register &= ~(HDSPM_DoubleSpeed | HDSPM_QuadSpeed);
3565 	switch (mode) {
3566 	case 0:
3567 		break;
3568 	case 1:
3569 		hdspm->control_register |= HDSPM_DoubleSpeed;
3570 		break;
3571 	case 2:
3572 		hdspm->control_register |= HDSPM_QuadSpeed;
3573 		break;
3574 	}
3575 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3576 
3577 	return 0;
3578 }
3579 
3580 static int snd_hdspm_info_madi_speedmode(struct snd_kcontrol *kcontrol,
3581 				       struct snd_ctl_elem_info *uinfo)
3582 {
3583 	static const char *const texts[] = { "Single", "Double", "Quad" };
3584 	ENUMERATED_CTL_INFO(uinfo, texts);
3585 	return 0;
3586 }
3587 
3588 static int snd_hdspm_get_madi_speedmode(struct snd_kcontrol *kcontrol,
3589 				      struct snd_ctl_elem_value *ucontrol)
3590 {
3591 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3592 
3593 	spin_lock_irq(&hdspm->lock);
3594 	ucontrol->value.enumerated.item[0] = hdspm_madi_speedmode(hdspm);
3595 	spin_unlock_irq(&hdspm->lock);
3596 	return 0;
3597 }
3598 
3599 static int snd_hdspm_put_madi_speedmode(struct snd_kcontrol *kcontrol,
3600 				      struct snd_ctl_elem_value *ucontrol)
3601 {
3602 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3603 	int change;
3604 	int val;
3605 
3606 	if (!snd_hdspm_use_is_exclusive(hdspm))
3607 		return -EBUSY;
3608 	val = ucontrol->value.integer.value[0];
3609 	if (val < 0)
3610 		val = 0;
3611 	if (val > 2)
3612 		val = 2;
3613 	spin_lock_irq(&hdspm->lock);
3614 	change = val != hdspm_madi_speedmode(hdspm);
3615 	hdspm_set_madi_speedmode(hdspm, val);
3616 	spin_unlock_irq(&hdspm->lock);
3617 	return change;
3618 }
3619 
3620 #define HDSPM_MIXER(xname, xindex) \
3621 {	.iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
3622 	.name = xname, \
3623 	.index = xindex, \
3624 	.device = 0, \
3625 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
3626 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3627 	.info = snd_hdspm_info_mixer, \
3628 	.get = snd_hdspm_get_mixer, \
3629 	.put = snd_hdspm_put_mixer \
3630 }
3631 
3632 static int snd_hdspm_info_mixer(struct snd_kcontrol *kcontrol,
3633 				struct snd_ctl_elem_info *uinfo)
3634 {
3635 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3636 	uinfo->count = 3;
3637 	uinfo->value.integer.min = 0;
3638 	uinfo->value.integer.max = 65535;
3639 	uinfo->value.integer.step = 1;
3640 	return 0;
3641 }
3642 
3643 static int snd_hdspm_get_mixer(struct snd_kcontrol *kcontrol,
3644 			       struct snd_ctl_elem_value *ucontrol)
3645 {
3646 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3647 	int source;
3648 	int destination;
3649 
3650 	source = ucontrol->value.integer.value[0];
3651 	if (source < 0)
3652 		source = 0;
3653 	else if (source >= 2 * HDSPM_MAX_CHANNELS)
3654 		source = 2 * HDSPM_MAX_CHANNELS - 1;
3655 
3656 	destination = ucontrol->value.integer.value[1];
3657 	if (destination < 0)
3658 		destination = 0;
3659 	else if (destination >= HDSPM_MAX_CHANNELS)
3660 		destination = HDSPM_MAX_CHANNELS - 1;
3661 
3662 	spin_lock_irq(&hdspm->lock);
3663 	if (source >= HDSPM_MAX_CHANNELS)
3664 		ucontrol->value.integer.value[2] =
3665 		    hdspm_read_pb_gain(hdspm, destination,
3666 				       source - HDSPM_MAX_CHANNELS);
3667 	else
3668 		ucontrol->value.integer.value[2] =
3669 		    hdspm_read_in_gain(hdspm, destination, source);
3670 
3671 	spin_unlock_irq(&hdspm->lock);
3672 
3673 	return 0;
3674 }
3675 
3676 static int snd_hdspm_put_mixer(struct snd_kcontrol *kcontrol,
3677 			       struct snd_ctl_elem_value *ucontrol)
3678 {
3679 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3680 	int change;
3681 	int source;
3682 	int destination;
3683 	int gain;
3684 
3685 	if (!snd_hdspm_use_is_exclusive(hdspm))
3686 		return -EBUSY;
3687 
3688 	source = ucontrol->value.integer.value[0];
3689 	destination = ucontrol->value.integer.value[1];
3690 
3691 	if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
3692 		return -1;
3693 	if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
3694 		return -1;
3695 
3696 	gain = ucontrol->value.integer.value[2];
3697 
3698 	spin_lock_irq(&hdspm->lock);
3699 
3700 	if (source >= HDSPM_MAX_CHANNELS)
3701 		change = gain != hdspm_read_pb_gain(hdspm, destination,
3702 						    source -
3703 						    HDSPM_MAX_CHANNELS);
3704 	else
3705 		change = gain != hdspm_read_in_gain(hdspm, destination,
3706 						    source);
3707 
3708 	if (change) {
3709 		if (source >= HDSPM_MAX_CHANNELS)
3710 			hdspm_write_pb_gain(hdspm, destination,
3711 					    source - HDSPM_MAX_CHANNELS,
3712 					    gain);
3713 		else
3714 			hdspm_write_in_gain(hdspm, destination, source,
3715 					    gain);
3716 	}
3717 	spin_unlock_irq(&hdspm->lock);
3718 
3719 	return change;
3720 }
3721 
3722 /* The simple mixer control(s) provide gain control for the
3723    basic 1:1 mappings of playback streams to output
3724    streams.
3725 */
3726 
3727 #define HDSPM_PLAYBACK_MIXER \
3728 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3729 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
3730 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3731 	.info = snd_hdspm_info_playback_mixer, \
3732 	.get = snd_hdspm_get_playback_mixer, \
3733 	.put = snd_hdspm_put_playback_mixer \
3734 }
3735 
3736 static int snd_hdspm_info_playback_mixer(struct snd_kcontrol *kcontrol,
3737 					 struct snd_ctl_elem_info *uinfo)
3738 {
3739 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3740 	uinfo->count = 1;
3741 	uinfo->value.integer.min = 0;
3742 	uinfo->value.integer.max = 64;
3743 	uinfo->value.integer.step = 1;
3744 	return 0;
3745 }
3746 
3747 static int snd_hdspm_get_playback_mixer(struct snd_kcontrol *kcontrol,
3748 					struct snd_ctl_elem_value *ucontrol)
3749 {
3750 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3751 	int channel;
3752 
3753 	channel = ucontrol->id.index - 1;
3754 
3755 	if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
3756 		return -EINVAL;
3757 
3758 	spin_lock_irq(&hdspm->lock);
3759 	ucontrol->value.integer.value[0] =
3760 	  (hdspm_read_pb_gain(hdspm, channel, channel)*64)/UNITY_GAIN;
3761 	spin_unlock_irq(&hdspm->lock);
3762 
3763 	return 0;
3764 }
3765 
3766 static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol,
3767 					struct snd_ctl_elem_value *ucontrol)
3768 {
3769 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
3770 	int change;
3771 	int channel;
3772 	int gain;
3773 
3774 	if (!snd_hdspm_use_is_exclusive(hdspm))
3775 		return -EBUSY;
3776 
3777 	channel = ucontrol->id.index - 1;
3778 
3779 	if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
3780 		return -EINVAL;
3781 
3782 	gain = ucontrol->value.integer.value[0]*UNITY_GAIN/64;
3783 
3784 	spin_lock_irq(&hdspm->lock);
3785 	change =
3786 	    gain != hdspm_read_pb_gain(hdspm, channel,
3787 				       channel);
3788 	if (change)
3789 		hdspm_write_pb_gain(hdspm, channel, channel,
3790 				    gain);
3791 	spin_unlock_irq(&hdspm->lock);
3792 	return change;
3793 }
3794 
3795 #define HDSPM_SYNC_CHECK(xname, xindex) \
3796 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3797 	.name = xname, \
3798 	.private_value = xindex, \
3799 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3800 	.info = snd_hdspm_info_sync_check, \
3801 	.get = snd_hdspm_get_sync_check \
3802 }
3803 
3804 #define HDSPM_TCO_LOCK_CHECK(xname, xindex) \
3805 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3806 	.name = xname, \
3807 	.private_value = xindex, \
3808 	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3809 	.info = snd_hdspm_tco_info_lock_check, \
3810 	.get = snd_hdspm_get_sync_check \
3811 }
3812 
3813 
3814 
3815 static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
3816 				     struct snd_ctl_elem_info *uinfo)
3817 {
3818 	static const char *const texts[] = { "No Lock", "Lock", "Sync", "N/A" };
3819 	ENUMERATED_CTL_INFO(uinfo, texts);
3820 	return 0;
3821 }
3822 
3823 static int snd_hdspm_tco_info_lock_check(struct snd_kcontrol *kcontrol,
3824 				     struct snd_ctl_elem_info *uinfo)
3825 {
3826 	static const char *const texts[] = { "No Lock", "Lock" };
3827 	ENUMERATED_CTL_INFO(uinfo, texts);
3828 	return 0;
3829 }
3830 
3831 static int hdspm_wc_sync_check(struct hdspm *hdspm)
3832 {
3833 	int status, status2;
3834 
3835 	switch (hdspm->io_type) {
3836 	case AES32:
3837 		status = hdspm_read(hdspm, HDSPM_statusRegister);
3838 		if (status & HDSPM_AES32_wcLock) {
3839 			if (status & HDSPM_AES32_wcSync)
3840 				return 2;
3841 			else
3842 				return 1;
3843 		}
3844 		return 0;
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 
3856 	case RayDAT:
3857 	case AIO:
3858 		status = hdspm_read(hdspm, HDSPM_statusRegister);
3859 
3860 		if (status & 0x2000000)
3861 			return 2;
3862 		else if (status & 0x1000000)
3863 			return 1;
3864 		return 0;
3865 
3866 	case MADIface:
3867 		break;
3868 	}
3869 
3870 
3871 	return 3;
3872 }
3873 
3874 
3875 static int hdspm_madi_sync_check(struct hdspm *hdspm)
3876 {
3877 	int status = hdspm_read(hdspm, HDSPM_statusRegister);
3878 	if (status & HDSPM_madiLock) {
3879 		if (status & HDSPM_madiSync)
3880 			return 2;
3881 		else
3882 			return 1;
3883 	}
3884 	return 0;
3885 }
3886 
3887 
3888 static int hdspm_s1_sync_check(struct hdspm *hdspm, int idx)
3889 {
3890 	int status, lock, sync;
3891 
3892 	status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
3893 
3894 	lock = (status & (0x1<<idx)) ? 1 : 0;
3895 	sync = (status & (0x100<<idx)) ? 1 : 0;
3896 
3897 	if (lock && sync)
3898 		return 2;
3899 	else if (lock)
3900 		return 1;
3901 	return 0;
3902 }
3903 
3904 
3905 static int hdspm_sync_in_sync_check(struct hdspm *hdspm)
3906 {
3907 	int status, lock = 0, sync = 0;
3908 
3909 	switch (hdspm->io_type) {
3910 	case RayDAT:
3911 	case AIO:
3912 		status = hdspm_read(hdspm, HDSPM_RD_STATUS_3);
3913 		lock = (status & 0x400) ? 1 : 0;
3914 		sync = (status & 0x800) ? 1 : 0;
3915 		break;
3916 
3917 	case MADI:
3918 		status = hdspm_read(hdspm, HDSPM_statusRegister);
3919 		lock = (status & HDSPM_syncInLock) ? 1 : 0;
3920 		sync = (status & HDSPM_syncInSync) ? 1 : 0;
3921 		break;
3922 
3923 	case AES32:
3924 		status = hdspm_read(hdspm, HDSPM_statusRegister2);
3925 		lock = (status & 0x100000) ? 1 : 0;
3926 		sync = (status & 0x200000) ? 1 : 0;
3927 		break;
3928 
3929 	case MADIface:
3930 		break;
3931 	}
3932 
3933 	if (lock && sync)
3934 		return 2;
3935 	else if (lock)
3936 		return 1;
3937 
3938 	return 0;
3939 }
3940 
3941 static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx)
3942 {
3943 	int status2, lock, sync;
3944 	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
3945 
3946 	lock = (status2 & (0x0080 >> idx)) ? 1 : 0;
3947 	sync = (status2 & (0x8000 >> idx)) ? 1 : 0;
3948 
3949 	if (sync)
3950 		return 2;
3951 	else if (lock)
3952 		return 1;
3953 	return 0;
3954 }
3955 
3956 static int hdspm_tco_input_check(struct hdspm *hdspm, u32 mask)
3957 {
3958 	u32 status;
3959 	status = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
3960 
3961 	return (status & mask) ? 1 : 0;
3962 }
3963 
3964 
3965 static int hdspm_tco_sync_check(struct hdspm *hdspm)
3966 {
3967 	int status;
3968 
3969 	if (hdspm->tco) {
3970 		switch (hdspm->io_type) {
3971 		case MADI:
3972 			status = hdspm_read(hdspm, HDSPM_statusRegister);
3973 			if (status & HDSPM_tcoLockMadi) {
3974 				if (status & HDSPM_tcoSync)
3975 					return 2;
3976 				else
3977 					return 1;
3978 			}
3979 			return 0;
3980 		case AES32:
3981 			status = hdspm_read(hdspm, HDSPM_statusRegister);
3982 			if (status & HDSPM_tcoLockAes) {
3983 				if (status & HDSPM_tcoSync)
3984 					return 2;
3985 				else
3986 					return 1;
3987 			}
3988 			return 0;
3989 		case RayDAT:
3990 		case AIO:
3991 			status = hdspm_read(hdspm, HDSPM_RD_STATUS_1);
3992 
3993 			if (status & 0x8000000)
3994 				return 2; /* Sync */
3995 			if (status & 0x4000000)
3996 				return 1; /* Lock */
3997 			return 0; /* No signal */
3998 
3999 		default:
4000 			break;
4001 		}
4002 	}
4003 
4004 	return 3; /* N/A */
4005 }
4006 
4007 
4008 static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
4009 				    struct snd_ctl_elem_value *ucontrol)
4010 {
4011 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4012 	int val = -1;
4013 
4014 	switch (hdspm->io_type) {
4015 	case RayDAT:
4016 		switch (kcontrol->private_value) {
4017 		case 0: /* WC */
4018 			val = hdspm_wc_sync_check(hdspm); break;
4019 		case 7: /* TCO */
4020 			val = hdspm_tco_sync_check(hdspm); break;
4021 		case 8: /* SYNC IN */
4022 			val = hdspm_sync_in_sync_check(hdspm); break;
4023 		default:
4024 			val = hdspm_s1_sync_check(hdspm,
4025 					kcontrol->private_value-1);
4026 		}
4027 		break;
4028 
4029 	case AIO:
4030 		switch (kcontrol->private_value) {
4031 		case 0: /* WC */
4032 			val = hdspm_wc_sync_check(hdspm); break;
4033 		case 4: /* TCO */
4034 			val = hdspm_tco_sync_check(hdspm); break;
4035 		case 5: /* SYNC IN */
4036 			val = hdspm_sync_in_sync_check(hdspm); break;
4037 		default:
4038 			val = hdspm_s1_sync_check(hdspm,
4039 					kcontrol->private_value-1);
4040 		}
4041 		break;
4042 
4043 	case MADI:
4044 		switch (kcontrol->private_value) {
4045 		case 0: /* WC */
4046 			val = hdspm_wc_sync_check(hdspm); break;
4047 		case 1: /* MADI */
4048 			val = hdspm_madi_sync_check(hdspm); break;
4049 		case 2: /* TCO */
4050 			val = hdspm_tco_sync_check(hdspm); break;
4051 		case 3: /* SYNC_IN */
4052 			val = hdspm_sync_in_sync_check(hdspm); break;
4053 		}
4054 		break;
4055 
4056 	case MADIface:
4057 		val = hdspm_madi_sync_check(hdspm); /* MADI */
4058 		break;
4059 
4060 	case AES32:
4061 		switch (kcontrol->private_value) {
4062 		case 0: /* WC */
4063 			val = hdspm_wc_sync_check(hdspm); break;
4064 		case 9: /* TCO */
4065 			val = hdspm_tco_sync_check(hdspm); break;
4066 		case 10 /* SYNC IN */:
4067 			val = hdspm_sync_in_sync_check(hdspm); break;
4068 		default: /* AES1 to AES8 */
4069 			 val = hdspm_aes_sync_check(hdspm,
4070 					 kcontrol->private_value-1);
4071 		}
4072 		break;
4073 
4074 	}
4075 
4076 	if (hdspm->tco) {
4077 		switch (kcontrol->private_value) {
4078 		case 11:
4079 			/* Check TCO for lock state of its current input */
4080 			val = hdspm_tco_input_check(hdspm, HDSPM_TCO1_TCO_lock);
4081 			break;
4082 		case 12:
4083 			/* Check TCO for valid time code on LTC input. */
4084 			val = hdspm_tco_input_check(hdspm,
4085 				HDSPM_TCO1_LTC_Input_valid);
4086 			break;
4087 		default:
4088 			break;
4089 		}
4090 	}
4091 
4092 	if (-1 == val)
4093 		val = 3;
4094 
4095 	ucontrol->value.enumerated.item[0] = val;
4096 	return 0;
4097 }
4098 
4099 
4100 
4101 /*
4102  * TCO controls
4103  */
4104 static void hdspm_tco_write(struct hdspm *hdspm)
4105 {
4106 	unsigned int tc[4] = { 0, 0, 0, 0};
4107 
4108 	switch (hdspm->tco->input) {
4109 	case 0:
4110 		tc[2] |= HDSPM_TCO2_set_input_MSB;
4111 		break;
4112 	case 1:
4113 		tc[2] |= HDSPM_TCO2_set_input_LSB;
4114 		break;
4115 	default:
4116 		break;
4117 	}
4118 
4119 	switch (hdspm->tco->framerate) {
4120 	case 1:
4121 		tc[1] |= HDSPM_TCO1_LTC_Format_LSB;
4122 		break;
4123 	case 2:
4124 		tc[1] |= HDSPM_TCO1_LTC_Format_MSB;
4125 		break;
4126 	case 3:
4127 		tc[1] |= HDSPM_TCO1_LTC_Format_MSB +
4128 			HDSPM_TCO1_set_drop_frame_flag;
4129 		break;
4130 	case 4:
4131 		tc[1] |= HDSPM_TCO1_LTC_Format_LSB +
4132 			HDSPM_TCO1_LTC_Format_MSB;
4133 		break;
4134 	case 5:
4135 		tc[1] |= HDSPM_TCO1_LTC_Format_LSB +
4136 			HDSPM_TCO1_LTC_Format_MSB +
4137 			HDSPM_TCO1_set_drop_frame_flag;
4138 		break;
4139 	default:
4140 		break;
4141 	}
4142 
4143 	switch (hdspm->tco->wordclock) {
4144 	case 1:
4145 		tc[2] |= HDSPM_TCO2_WCK_IO_ratio_LSB;
4146 		break;
4147 	case 2:
4148 		tc[2] |= HDSPM_TCO2_WCK_IO_ratio_MSB;
4149 		break;
4150 	default:
4151 		break;
4152 	}
4153 
4154 	switch (hdspm->tco->samplerate) {
4155 	case 1:
4156 		tc[2] |= HDSPM_TCO2_set_freq;
4157 		break;
4158 	case 2:
4159 		tc[2] |= HDSPM_TCO2_set_freq_from_app;
4160 		break;
4161 	default:
4162 		break;
4163 	}
4164 
4165 	switch (hdspm->tco->pull) {
4166 	case 1:
4167 		tc[2] |= HDSPM_TCO2_set_pull_up;
4168 		break;
4169 	case 2:
4170 		tc[2] |= HDSPM_TCO2_set_pull_down;
4171 		break;
4172 	case 3:
4173 		tc[2] |= HDSPM_TCO2_set_pull_up + HDSPM_TCO2_set_01_4;
4174 		break;
4175 	case 4:
4176 		tc[2] |= HDSPM_TCO2_set_pull_down + HDSPM_TCO2_set_01_4;
4177 		break;
4178 	default:
4179 		break;
4180 	}
4181 
4182 	if (1 == hdspm->tco->term) {
4183 		tc[2] |= HDSPM_TCO2_set_term_75R;
4184 	}
4185 
4186 	hdspm_write(hdspm, HDSPM_WR_TCO, tc[0]);
4187 	hdspm_write(hdspm, HDSPM_WR_TCO+4, tc[1]);
4188 	hdspm_write(hdspm, HDSPM_WR_TCO+8, tc[2]);
4189 	hdspm_write(hdspm, HDSPM_WR_TCO+12, tc[3]);
4190 }
4191 
4192 
4193 #define HDSPM_TCO_SAMPLE_RATE(xname, xindex) \
4194 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4195 	.name = xname, \
4196 	.index = xindex, \
4197 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4198 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4199 	.info = snd_hdspm_info_tco_sample_rate, \
4200 	.get = snd_hdspm_get_tco_sample_rate, \
4201 	.put = snd_hdspm_put_tco_sample_rate \
4202 }
4203 
4204 static int snd_hdspm_info_tco_sample_rate(struct snd_kcontrol *kcontrol,
4205 					  struct snd_ctl_elem_info *uinfo)
4206 {
4207 	/* TODO freq from app could be supported here, see tco->samplerate */
4208 	static const char *const texts[] = { "44.1 kHz", "48 kHz" };
4209 	ENUMERATED_CTL_INFO(uinfo, texts);
4210 	return 0;
4211 }
4212 
4213 static int snd_hdspm_get_tco_sample_rate(struct snd_kcontrol *kcontrol,
4214 				      struct snd_ctl_elem_value *ucontrol)
4215 {
4216 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4217 
4218 	ucontrol->value.enumerated.item[0] = hdspm->tco->samplerate;
4219 
4220 	return 0;
4221 }
4222 
4223 static int snd_hdspm_put_tco_sample_rate(struct snd_kcontrol *kcontrol,
4224 					 struct snd_ctl_elem_value *ucontrol)
4225 {
4226 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4227 
4228 	if (hdspm->tco->samplerate != ucontrol->value.enumerated.item[0]) {
4229 		hdspm->tco->samplerate = ucontrol->value.enumerated.item[0];
4230 
4231 		hdspm_tco_write(hdspm);
4232 
4233 		return 1;
4234 	}
4235 
4236 	return 0;
4237 }
4238 
4239 
4240 #define HDSPM_TCO_PULL(xname, xindex) \
4241 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4242 	.name = xname, \
4243 	.index = xindex, \
4244 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4245 		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4246 	.info = snd_hdspm_info_tco_pull, \
4247 	.get = snd_hdspm_get_tco_pull, \
4248 	.put = snd_hdspm_put_tco_pull \
4249 }
4250 
4251 static int snd_hdspm_info_tco_pull(struct snd_kcontrol *kcontrol,
4252 				   struct snd_ctl_elem_info *uinfo)
4253 {
4254 	static const char *const texts[] = { "0", "+ 0.1 %", "- 0.1 %",
4255 		"+ 4 %", "- 4 %" };
4256 	ENUMERATED_CTL_INFO(uinfo, texts);
4257 	return 0;
4258 }
4259 
4260 static int snd_hdspm_get_tco_pull(struct snd_kcontrol *kcontrol,
4261 				  struct snd_ctl_elem_value *ucontrol)
4262 {
4263 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4264 
4265 	ucontrol->value.enumerated.item[0] = hdspm->tco->pull;
4266 
4267 	return 0;
4268 }
4269 
4270 static int snd_hdspm_put_tco_pull(struct snd_kcontrol *kcontrol,
4271 				  struct snd_ctl_elem_value *ucontrol)
4272 {
4273 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4274 
4275 	if (hdspm->tco->pull != ucontrol->value.enumerated.item[0]) {
4276 		hdspm->tco->pull = ucontrol->value.enumerated.item[0];
4277 
4278 		hdspm_tco_write(hdspm);
4279 
4280 		return 1;
4281 	}
4282 
4283 	return 0;
4284 }
4285 
4286 #define HDSPM_TCO_WCK_CONVERSION(xname, xindex) \
4287 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4288 	.name = xname, \
4289 	.index = xindex, \
4290 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4291 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4292 	.info = snd_hdspm_info_tco_wck_conversion, \
4293 	.get = snd_hdspm_get_tco_wck_conversion, \
4294 	.put = snd_hdspm_put_tco_wck_conversion \
4295 }
4296 
4297 static int snd_hdspm_info_tco_wck_conversion(struct snd_kcontrol *kcontrol,
4298 					     struct snd_ctl_elem_info *uinfo)
4299 {
4300 	static const char *const texts[] = { "1:1", "44.1 -> 48", "48 -> 44.1" };
4301 	ENUMERATED_CTL_INFO(uinfo, texts);
4302 	return 0;
4303 }
4304 
4305 static int snd_hdspm_get_tco_wck_conversion(struct snd_kcontrol *kcontrol,
4306 					    struct snd_ctl_elem_value *ucontrol)
4307 {
4308 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4309 
4310 	ucontrol->value.enumerated.item[0] = hdspm->tco->wordclock;
4311 
4312 	return 0;
4313 }
4314 
4315 static int snd_hdspm_put_tco_wck_conversion(struct snd_kcontrol *kcontrol,
4316 					    struct snd_ctl_elem_value *ucontrol)
4317 {
4318 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4319 
4320 	if (hdspm->tco->wordclock != ucontrol->value.enumerated.item[0]) {
4321 		hdspm->tco->wordclock = ucontrol->value.enumerated.item[0];
4322 
4323 		hdspm_tco_write(hdspm);
4324 
4325 		return 1;
4326 	}
4327 
4328 	return 0;
4329 }
4330 
4331 
4332 #define HDSPM_TCO_FRAME_RATE(xname, xindex) \
4333 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4334 	.name = xname, \
4335 	.index = xindex, \
4336 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4337 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4338 	.info = snd_hdspm_info_tco_frame_rate, \
4339 	.get = snd_hdspm_get_tco_frame_rate, \
4340 	.put = snd_hdspm_put_tco_frame_rate \
4341 }
4342 
4343 static int snd_hdspm_info_tco_frame_rate(struct snd_kcontrol *kcontrol,
4344 					  struct snd_ctl_elem_info *uinfo)
4345 {
4346 	static const char *const texts[] = { "24 fps", "25 fps", "29.97fps",
4347 		"29.97 dfps", "30 fps", "30 dfps" };
4348 	ENUMERATED_CTL_INFO(uinfo, texts);
4349 	return 0;
4350 }
4351 
4352 static int snd_hdspm_get_tco_frame_rate(struct snd_kcontrol *kcontrol,
4353 					struct snd_ctl_elem_value *ucontrol)
4354 {
4355 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4356 
4357 	ucontrol->value.enumerated.item[0] = hdspm->tco->framerate;
4358 
4359 	return 0;
4360 }
4361 
4362 static int snd_hdspm_put_tco_frame_rate(struct snd_kcontrol *kcontrol,
4363 					struct snd_ctl_elem_value *ucontrol)
4364 {
4365 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4366 
4367 	if (hdspm->tco->framerate != ucontrol->value.enumerated.item[0]) {
4368 		hdspm->tco->framerate = ucontrol->value.enumerated.item[0];
4369 
4370 		hdspm_tco_write(hdspm);
4371 
4372 		return 1;
4373 	}
4374 
4375 	return 0;
4376 }
4377 
4378 
4379 #define HDSPM_TCO_SYNC_SOURCE(xname, xindex) \
4380 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4381 	.name = xname, \
4382 	.index = xindex, \
4383 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4384 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4385 	.info = snd_hdspm_info_tco_sync_source, \
4386 	.get = snd_hdspm_get_tco_sync_source, \
4387 	.put = snd_hdspm_put_tco_sync_source \
4388 }
4389 
4390 static int snd_hdspm_info_tco_sync_source(struct snd_kcontrol *kcontrol,
4391 					  struct snd_ctl_elem_info *uinfo)
4392 {
4393 	static const char *const texts[] = { "LTC", "Video", "WCK" };
4394 	ENUMERATED_CTL_INFO(uinfo, texts);
4395 	return 0;
4396 }
4397 
4398 static int snd_hdspm_get_tco_sync_source(struct snd_kcontrol *kcontrol,
4399 					 struct snd_ctl_elem_value *ucontrol)
4400 {
4401 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4402 
4403 	ucontrol->value.enumerated.item[0] = hdspm->tco->input;
4404 
4405 	return 0;
4406 }
4407 
4408 static int snd_hdspm_put_tco_sync_source(struct snd_kcontrol *kcontrol,
4409 					 struct snd_ctl_elem_value *ucontrol)
4410 {
4411 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4412 
4413 	if (hdspm->tco->input != ucontrol->value.enumerated.item[0]) {
4414 		hdspm->tco->input = ucontrol->value.enumerated.item[0];
4415 
4416 		hdspm_tco_write(hdspm);
4417 
4418 		return 1;
4419 	}
4420 
4421 	return 0;
4422 }
4423 
4424 
4425 #define HDSPM_TCO_WORD_TERM(xname, xindex) \
4426 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
4427 	.name = xname, \
4428 	.index = xindex, \
4429 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
4430 			SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
4431 	.info = snd_hdspm_info_tco_word_term, \
4432 	.get = snd_hdspm_get_tco_word_term, \
4433 	.put = snd_hdspm_put_tco_word_term \
4434 }
4435 
4436 static int snd_hdspm_info_tco_word_term(struct snd_kcontrol *kcontrol,
4437 					struct snd_ctl_elem_info *uinfo)
4438 {
4439 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
4440 	uinfo->count = 1;
4441 	uinfo->value.integer.min = 0;
4442 	uinfo->value.integer.max = 1;
4443 
4444 	return 0;
4445 }
4446 
4447 
4448 static int snd_hdspm_get_tco_word_term(struct snd_kcontrol *kcontrol,
4449 				       struct snd_ctl_elem_value *ucontrol)
4450 {
4451 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4452 
4453 	ucontrol->value.integer.value[0] = hdspm->tco->term;
4454 
4455 	return 0;
4456 }
4457 
4458 
4459 static int snd_hdspm_put_tco_word_term(struct snd_kcontrol *kcontrol,
4460 				       struct snd_ctl_elem_value *ucontrol)
4461 {
4462 	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
4463 
4464 	if (hdspm->tco->term != ucontrol->value.integer.value[0]) {
4465 		hdspm->tco->term = ucontrol->value.integer.value[0];
4466 
4467 		hdspm_tco_write(hdspm);
4468 
4469 		return 1;
4470 	}
4471 
4472 	return 0;
4473 }
4474 
4475 
4476 
4477 
4478 static const struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
4479 	HDSPM_MIXER("Mixer", 0),
4480 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4481 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4482 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
4483 	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
4484 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4485 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
4486 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
4487 	HDSPM_SYNC_CHECK("MADI SyncCheck", 1),
4488 	HDSPM_SYNC_CHECK("TCO SyncCheck", 2),
4489 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 3),
4490 	HDSPM_TOGGLE_SETTING("Line Out", HDSPM_LineOut),
4491 	HDSPM_TOGGLE_SETTING("TX 64 channels mode", HDSPM_TX_64ch),
4492 	HDSPM_TOGGLE_SETTING("Disable 96K frames", HDSPM_SMUX),
4493 	HDSPM_TOGGLE_SETTING("Clear Track Marker", HDSPM_clr_tms),
4494 	HDSPM_TOGGLE_SETTING("Safe Mode", HDSPM_AutoInp),
4495 	HDSPM_INPUT_SELECT("Input Select", 0),
4496 	HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
4497 };
4498 
4499 
4500 static const struct snd_kcontrol_new snd_hdspm_controls_madiface[] = {
4501 	HDSPM_MIXER("Mixer", 0),
4502 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4503 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4504 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4505 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
4506 	HDSPM_SYNC_CHECK("MADI SyncCheck", 0),
4507 	HDSPM_TOGGLE_SETTING("TX 64 channels mode", HDSPM_TX_64ch),
4508 	HDSPM_TOGGLE_SETTING("Clear Track Marker", HDSPM_clr_tms),
4509 	HDSPM_TOGGLE_SETTING("Safe Mode", HDSPM_AutoInp),
4510 	HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
4511 };
4512 
4513 static const struct snd_kcontrol_new snd_hdspm_controls_aio[] = {
4514 	HDSPM_MIXER("Mixer", 0),
4515 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4516 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4517 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
4518 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4519 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
4520 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
4521 	HDSPM_SYNC_CHECK("AES SyncCheck", 1),
4522 	HDSPM_SYNC_CHECK("SPDIF SyncCheck", 2),
4523 	HDSPM_SYNC_CHECK("ADAT SyncCheck", 3),
4524 	HDSPM_SYNC_CHECK("TCO SyncCheck", 4),
4525 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 5),
4526 	HDSPM_AUTOSYNC_SAMPLE_RATE("WC Frequency", 0),
4527 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES Frequency", 1),
4528 	HDSPM_AUTOSYNC_SAMPLE_RATE("SPDIF Frequency", 2),
4529 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT Frequency", 3),
4530 	HDSPM_AUTOSYNC_SAMPLE_RATE("TCO Frequency", 4),
4531 	HDSPM_AUTOSYNC_SAMPLE_RATE("SYNC IN Frequency", 5),
4532 	HDSPM_CONTROL_TRISTATE("S/PDIF Input", HDSPM_c0_Input0),
4533 	HDSPM_TOGGLE_SETTING("S/PDIF Out Optical", HDSPM_c0_Spdif_Opt),
4534 	HDSPM_TOGGLE_SETTING("S/PDIF Out Professional", HDSPM_c0_Pro),
4535 	HDSPM_TOGGLE_SETTING("ADAT internal (AEB/TEB)", HDSPM_c0_AEB1),
4536 	HDSPM_TOGGLE_SETTING("XLR Breakout Cable", HDSPM_c0_Sym6db),
4537 	HDSPM_TOGGLE_SETTING("Single Speed WordClock Out", HDSPM_c0_Wck48),
4538 	HDSPM_CONTROL_TRISTATE("Input Level", HDSPM_c0_AD_GAIN0),
4539 	HDSPM_CONTROL_TRISTATE("Output Level", HDSPM_c0_DA_GAIN0),
4540 	HDSPM_CONTROL_TRISTATE("Phones Level", HDSPM_c0_PH_GAIN0)
4541 
4542 		/*
4543 		   HDSPM_INPUT_SELECT("Input Select", 0),
4544 		   HDSPM_SPDIF_OPTICAL("SPDIF Out Optical", 0),
4545 		   HDSPM_PROFESSIONAL("SPDIF Out Professional", 0);
4546 		   HDSPM_SPDIF_IN("SPDIF In", 0);
4547 		   HDSPM_BREAKOUT_CABLE("Breakout Cable", 0);
4548 		   HDSPM_INPUT_LEVEL("Input Level", 0);
4549 		   HDSPM_OUTPUT_LEVEL("Output Level", 0);
4550 		   HDSPM_PHONES("Phones", 0);
4551 		   */
4552 };
4553 
4554 static const struct snd_kcontrol_new snd_hdspm_controls_raydat[] = {
4555 	HDSPM_MIXER("Mixer", 0),
4556 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4557 	HDSPM_SYSTEM_CLOCK_MODE("Clock Mode", 0),
4558 	HDSPM_PREF_SYNC_REF("Pref Sync Ref", 0),
4559 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4560 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
4561 	HDSPM_SYNC_CHECK("AES SyncCheck", 1),
4562 	HDSPM_SYNC_CHECK("SPDIF SyncCheck", 2),
4563 	HDSPM_SYNC_CHECK("ADAT1 SyncCheck", 3),
4564 	HDSPM_SYNC_CHECK("ADAT2 SyncCheck", 4),
4565 	HDSPM_SYNC_CHECK("ADAT3 SyncCheck", 5),
4566 	HDSPM_SYNC_CHECK("ADAT4 SyncCheck", 6),
4567 	HDSPM_SYNC_CHECK("TCO SyncCheck", 7),
4568 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 8),
4569 	HDSPM_AUTOSYNC_SAMPLE_RATE("WC Frequency", 0),
4570 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES Frequency", 1),
4571 	HDSPM_AUTOSYNC_SAMPLE_RATE("SPDIF Frequency", 2),
4572 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT1 Frequency", 3),
4573 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT2 Frequency", 4),
4574 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT3 Frequency", 5),
4575 	HDSPM_AUTOSYNC_SAMPLE_RATE("ADAT4 Frequency", 6),
4576 	HDSPM_AUTOSYNC_SAMPLE_RATE("TCO Frequency", 7),
4577 	HDSPM_AUTOSYNC_SAMPLE_RATE("SYNC IN Frequency", 8),
4578 	HDSPM_TOGGLE_SETTING("S/PDIF Out Professional", HDSPM_c0_Pro),
4579 	HDSPM_TOGGLE_SETTING("Single Speed WordClock Out", HDSPM_c0_Wck48)
4580 };
4581 
4582 static const struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {
4583 	HDSPM_MIXER("Mixer", 0),
4584 	HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
4585 	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
4586 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
4587 	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
4588 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
4589 	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 11),
4590 	HDSPM_SYNC_CHECK("WC Sync Check", 0),
4591 	HDSPM_SYNC_CHECK("AES1 Sync Check", 1),
4592 	HDSPM_SYNC_CHECK("AES2 Sync Check", 2),
4593 	HDSPM_SYNC_CHECK("AES3 Sync Check", 3),
4594 	HDSPM_SYNC_CHECK("AES4 Sync Check", 4),
4595 	HDSPM_SYNC_CHECK("AES5 Sync Check", 5),
4596 	HDSPM_SYNC_CHECK("AES6 Sync Check", 6),
4597 	HDSPM_SYNC_CHECK("AES7 Sync Check", 7),
4598 	HDSPM_SYNC_CHECK("AES8 Sync Check", 8),
4599 	HDSPM_SYNC_CHECK("TCO Sync Check", 9),
4600 	HDSPM_SYNC_CHECK("SYNC IN Sync Check", 10),
4601 	HDSPM_AUTOSYNC_SAMPLE_RATE("WC Frequency", 0),
4602 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES1 Frequency", 1),
4603 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES2 Frequency", 2),
4604 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES3 Frequency", 3),
4605 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES4 Frequency", 4),
4606 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES5 Frequency", 5),
4607 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES6 Frequency", 6),
4608 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES7 Frequency", 7),
4609 	HDSPM_AUTOSYNC_SAMPLE_RATE("AES8 Frequency", 8),
4610 	HDSPM_AUTOSYNC_SAMPLE_RATE("TCO Frequency", 9),
4611 	HDSPM_AUTOSYNC_SAMPLE_RATE("SYNC IN Frequency", 10),
4612 	HDSPM_TOGGLE_SETTING("Line Out", HDSPM_LineOut),
4613 	HDSPM_TOGGLE_SETTING("Emphasis", HDSPM_Emphasis),
4614 	HDSPM_TOGGLE_SETTING("Non Audio", HDSPM_Dolby),
4615 	HDSPM_TOGGLE_SETTING("Professional", HDSPM_Professional),
4616 	HDSPM_TOGGLE_SETTING("Clear Track Marker", HDSPM_clr_tms),
4617 	HDSPM_DS_WIRE("Double Speed Wire Mode", 0),
4618 	HDSPM_QS_WIRE("Quad Speed Wire Mode", 0),
4619 };
4620 
4621 
4622 
4623 /* Control elements for the optional TCO module */
4624 static const struct snd_kcontrol_new snd_hdspm_controls_tco[] = {
4625 	HDSPM_TCO_SAMPLE_RATE("TCO Sample Rate", 0),
4626 	HDSPM_TCO_PULL("TCO Pull", 0),
4627 	HDSPM_TCO_WCK_CONVERSION("TCO WCK Conversion", 0),
4628 	HDSPM_TCO_FRAME_RATE("TCO Frame Rate", 0),
4629 	HDSPM_TCO_SYNC_SOURCE("TCO Sync Source", 0),
4630 	HDSPM_TCO_WORD_TERM("TCO Word Term", 0),
4631 	HDSPM_TCO_LOCK_CHECK("TCO Input Check", 11),
4632 	HDSPM_TCO_LOCK_CHECK("TCO LTC Valid", 12),
4633 	HDSPM_TCO_LTC_FRAMES("TCO Detected Frame Rate", 0),
4634 	HDSPM_TCO_VIDEO_INPUT_FORMAT("Video Input Format", 0)
4635 };
4636 
4637 
4638 static struct snd_kcontrol_new snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
4639 
4640 
4641 static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm)
4642 {
4643 	int i;
4644 
4645 	for (i = hdspm->ds_out_channels; i < hdspm->ss_out_channels; ++i) {
4646 		if (hdspm->system_sample_rate > 48000) {
4647 			hdspm->playback_mixer_ctls[i]->vd[0].access =
4648 				SNDRV_CTL_ELEM_ACCESS_INACTIVE |
4649 				SNDRV_CTL_ELEM_ACCESS_READ |
4650 				SNDRV_CTL_ELEM_ACCESS_VOLATILE;
4651 		} else {
4652 			hdspm->playback_mixer_ctls[i]->vd[0].access =
4653 				SNDRV_CTL_ELEM_ACCESS_READWRITE |
4654 				SNDRV_CTL_ELEM_ACCESS_VOLATILE;
4655 		}
4656 		snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
4657 				SNDRV_CTL_EVENT_MASK_INFO,
4658 				&hdspm->playback_mixer_ctls[i]->id);
4659 	}
4660 
4661 	return 0;
4662 }
4663 
4664 
4665 static int snd_hdspm_create_controls(struct snd_card *card,
4666 					struct hdspm *hdspm)
4667 {
4668 	unsigned int idx, limit;
4669 	int err;
4670 	struct snd_kcontrol *kctl;
4671 	const struct snd_kcontrol_new *list = NULL;
4672 
4673 	switch (hdspm->io_type) {
4674 	case MADI:
4675 		list = snd_hdspm_controls_madi;
4676 		limit = ARRAY_SIZE(snd_hdspm_controls_madi);
4677 		break;
4678 	case MADIface:
4679 		list = snd_hdspm_controls_madiface;
4680 		limit = ARRAY_SIZE(snd_hdspm_controls_madiface);
4681 		break;
4682 	case AIO:
4683 		list = snd_hdspm_controls_aio;
4684 		limit = ARRAY_SIZE(snd_hdspm_controls_aio);
4685 		break;
4686 	case RayDAT:
4687 		list = snd_hdspm_controls_raydat;
4688 		limit = ARRAY_SIZE(snd_hdspm_controls_raydat);
4689 		break;
4690 	case AES32:
4691 		list = snd_hdspm_controls_aes32;
4692 		limit = ARRAY_SIZE(snd_hdspm_controls_aes32);
4693 		break;
4694 	}
4695 
4696 	if (list) {
4697 		for (idx = 0; idx < limit; idx++) {
4698 			err = snd_ctl_add(card,
4699 					snd_ctl_new1(&list[idx], hdspm));
4700 			if (err < 0)
4701 				return err;
4702 		}
4703 	}
4704 
4705 
4706 	/* create simple 1:1 playback mixer controls */
4707 	snd_hdspm_playback_mixer.name = "Chn";
4708 	if (hdspm->system_sample_rate >= 128000) {
4709 		limit = hdspm->qs_out_channels;
4710 	} else if (hdspm->system_sample_rate >= 64000) {
4711 		limit = hdspm->ds_out_channels;
4712 	} else {
4713 		limit = hdspm->ss_out_channels;
4714 	}
4715 	for (idx = 0; idx < limit; ++idx) {
4716 		snd_hdspm_playback_mixer.index = idx + 1;
4717 		kctl = snd_ctl_new1(&snd_hdspm_playback_mixer, hdspm);
4718 		err = snd_ctl_add(card, kctl);
4719 		if (err < 0)
4720 			return err;
4721 		hdspm->playback_mixer_ctls[idx] = kctl;
4722 	}
4723 
4724 
4725 	if (hdspm->tco) {
4726 		/* add tco control elements */
4727 		list = snd_hdspm_controls_tco;
4728 		limit = ARRAY_SIZE(snd_hdspm_controls_tco);
4729 		for (idx = 0; idx < limit; idx++) {
4730 			err = snd_ctl_add(card,
4731 					snd_ctl_new1(&list[idx], hdspm));
4732 			if (err < 0)
4733 				return err;
4734 		}
4735 	}
4736 
4737 	return 0;
4738 }
4739 
4740 /*------------------------------------------------------------
4741    /proc interface
4742  ------------------------------------------------------------*/
4743 
4744 static void
4745 snd_hdspm_proc_read_tco(struct snd_info_entry *entry,
4746 					struct snd_info_buffer *buffer)
4747 {
4748 	struct hdspm *hdspm = entry->private_data;
4749 	unsigned int status, control;
4750 	int a, ltc, frames, seconds, minutes, hours;
4751 	unsigned int period;
4752 	u64 freq_const = 0;
4753 	u32 rate;
4754 
4755 	snd_iprintf(buffer, "--- TCO ---\n");
4756 
4757 	status = hdspm_read(hdspm, HDSPM_statusRegister);
4758 	control = hdspm->control_register;
4759 
4760 
4761 	if (status & HDSPM_tco_detect) {
4762 		snd_iprintf(buffer, "TCO module detected.\n");
4763 		a = hdspm_read(hdspm, HDSPM_RD_TCO+4);
4764 		if (a & HDSPM_TCO1_LTC_Input_valid) {
4765 			snd_iprintf(buffer, "  LTC valid, ");
4766 			switch (a & (HDSPM_TCO1_LTC_Format_LSB |
4767 						HDSPM_TCO1_LTC_Format_MSB)) {
4768 			case 0:
4769 				snd_iprintf(buffer, "24 fps, ");
4770 				break;
4771 			case HDSPM_TCO1_LTC_Format_LSB:
4772 				snd_iprintf(buffer, "25 fps, ");
4773 				break;
4774 			case HDSPM_TCO1_LTC_Format_MSB:
4775 				snd_iprintf(buffer, "29.97 fps, ");
4776 				break;
4777 			default:
4778 				snd_iprintf(buffer, "30 fps, ");
4779 				break;
4780 			}
4781 			if (a & HDSPM_TCO1_set_drop_frame_flag) {
4782 				snd_iprintf(buffer, "drop frame\n");
4783 			} else {
4784 				snd_iprintf(buffer, "full frame\n");
4785 			}
4786 		} else {
4787 			snd_iprintf(buffer, "  no LTC\n");
4788 		}
4789 		if (a & HDSPM_TCO1_Video_Input_Format_NTSC) {
4790 			snd_iprintf(buffer, "  Video: NTSC\n");
4791 		} else if (a & HDSPM_TCO1_Video_Input_Format_PAL) {
4792 			snd_iprintf(buffer, "  Video: PAL\n");
4793 		} else {
4794 			snd_iprintf(buffer, "  No video\n");
4795 		}
4796 		if (a & HDSPM_TCO1_TCO_lock) {
4797 			snd_iprintf(buffer, "  Sync: lock\n");
4798 		} else {
4799 			snd_iprintf(buffer, "  Sync: no lock\n");
4800 		}
4801 
4802 		switch (hdspm->io_type) {
4803 		case MADI:
4804 		case AES32:
4805 			freq_const = 110069313433624ULL;
4806 			break;
4807 		case RayDAT:
4808 		case AIO:
4809 			freq_const = 104857600000000ULL;
4810 			break;
4811 		case MADIface:
4812 			break; /* no TCO possible */
4813 		}
4814 
4815 		period = hdspm_read(hdspm, HDSPM_RD_PLL_FREQ);
4816 		snd_iprintf(buffer, "    period: %u\n", period);
4817 
4818 
4819 		/* rate = freq_const/period; */
4820 		rate = div_u64(freq_const, period);
4821 
4822 		if (control & HDSPM_QuadSpeed) {
4823 			rate *= 4;
4824 		} else if (control & HDSPM_DoubleSpeed) {
4825 			rate *= 2;
4826 		}
4827 
4828 		snd_iprintf(buffer, "  Frequency: %u Hz\n",
4829 				(unsigned int) rate);
4830 
4831 		ltc = hdspm_read(hdspm, HDSPM_RD_TCO);
4832 		frames = ltc & 0xF;
4833 		ltc >>= 4;
4834 		frames += (ltc & 0x3) * 10;
4835 		ltc >>= 4;
4836 		seconds = ltc & 0xF;
4837 		ltc >>= 4;
4838 		seconds += (ltc & 0x7) * 10;
4839 		ltc >>= 4;
4840 		minutes = ltc & 0xF;
4841 		ltc >>= 4;
4842 		minutes += (ltc & 0x7) * 10;
4843 		ltc >>= 4;
4844 		hours = ltc & 0xF;
4845 		ltc >>= 4;
4846 		hours += (ltc & 0x3) * 10;
4847 		snd_iprintf(buffer,
4848 			"  LTC In: %02d:%02d:%02d:%02d\n",
4849 			hours, minutes, seconds, frames);
4850 
4851 	} else {
4852 		snd_iprintf(buffer, "No TCO module detected.\n");
4853 	}
4854 }
4855 
4856 static void
4857 snd_hdspm_proc_read_madi(struct snd_info_entry *entry,
4858 			 struct snd_info_buffer *buffer)
4859 {
4860 	struct hdspm *hdspm = entry->private_data;
4861 	unsigned int status, status2;
4862 
4863 	char *pref_sync_ref;
4864 	char *autosync_ref;
4865 	char *system_clock_mode;
4866 	int x, x2;
4867 
4868 	status = hdspm_read(hdspm, HDSPM_statusRegister);
4869 	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
4870 
4871 	snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
4872 			hdspm->card_name, hdspm->card->number + 1,
4873 			hdspm->firmware_rev,
4874 			(status2 & HDSPM_version0) |
4875 			(status2 & HDSPM_version1) | (status2 &
4876 				HDSPM_version2));
4877 
4878 	snd_iprintf(buffer, "HW Serial: 0x%06x%06x\n",
4879 			(hdspm_read(hdspm, HDSPM_midiStatusIn1)>>8) & 0xFFFFFF,
4880 			hdspm->serial);
4881 
4882 	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
4883 			hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
4884 
4885 	snd_iprintf(buffer, "--- System ---\n");
4886 
4887 	snd_iprintf(buffer,
4888 		"IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
4889 		status & HDSPM_audioIRQPending,
4890 		(status & HDSPM_midi0IRQPending) ? 1 : 0,
4891 		(status & HDSPM_midi1IRQPending) ? 1 : 0,
4892 		hdspm->irq_count);
4893 	snd_iprintf(buffer,
4894 		"HW pointer: id = %d, rawptr = %d (%d->%d) "
4895 		"estimated= %ld (bytes)\n",
4896 		((status & HDSPM_BufferID) ? 1 : 0),
4897 		(status & HDSPM_BufferPositionMask),
4898 		(status & HDSPM_BufferPositionMask) %
4899 		(2 * (int)hdspm->period_bytes),
4900 		((status & HDSPM_BufferPositionMask) - 64) %
4901 		(2 * (int)hdspm->period_bytes),
4902 		(long) hdspm_hw_pointer(hdspm) * 4);
4903 
4904 	snd_iprintf(buffer,
4905 		"MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
4906 		hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
4907 		hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
4908 		hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
4909 		hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
4910 	snd_iprintf(buffer,
4911 		"MIDIoverMADI FIFO: In=0x%x, Out=0x%x \n",
4912 		hdspm_read(hdspm, HDSPM_midiStatusIn2) & 0xFF,
4913 		hdspm_read(hdspm, HDSPM_midiStatusOut2) & 0xFF);
4914 	snd_iprintf(buffer,
4915 		"Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
4916 		"status2=0x%x\n",
4917 		hdspm->control_register, hdspm->control2_register,
4918 		status, status2);
4919 
4920 
4921 	snd_iprintf(buffer, "--- Settings ---\n");
4922 
4923 	x = hdspm_get_latency(hdspm);
4924 
4925 	snd_iprintf(buffer,
4926 		"Size (Latency): %d samples (2 periods of %lu bytes)\n",
4927 		x, (unsigned long) hdspm->period_bytes);
4928 
4929 	snd_iprintf(buffer, "Line out: %s\n",
4930 		(hdspm->control_register & HDSPM_LineOut) ? "on " : "off");
4931 
4932 	snd_iprintf(buffer,
4933 		"ClearTrackMarker = %s, Transmit in %s Channel Mode, "
4934 		"Auto Input %s\n",
4935 		(hdspm->control_register & HDSPM_clr_tms) ? "on" : "off",
4936 		(hdspm->control_register & HDSPM_TX_64ch) ? "64" : "56",
4937 		(hdspm->control_register & HDSPM_AutoInp) ? "on" : "off");
4938 
4939 
4940 	if (!(hdspm->control_register & HDSPM_ClockModeMaster))
4941 		system_clock_mode = "AutoSync";
4942 	else
4943 		system_clock_mode = "Master";
4944 	snd_iprintf(buffer, "AutoSync Reference: %s\n", system_clock_mode);
4945 
4946 	switch (hdspm_pref_sync_ref(hdspm)) {
4947 	case HDSPM_SYNC_FROM_WORD:
4948 		pref_sync_ref = "Word Clock";
4949 		break;
4950 	case HDSPM_SYNC_FROM_MADI:
4951 		pref_sync_ref = "MADI Sync";
4952 		break;
4953 	case HDSPM_SYNC_FROM_TCO:
4954 		pref_sync_ref = "TCO";
4955 		break;
4956 	case HDSPM_SYNC_FROM_SYNC_IN:
4957 		pref_sync_ref = "Sync In";
4958 		break;
4959 	default:
4960 		pref_sync_ref = "XXXX Clock";
4961 		break;
4962 	}
4963 	snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
4964 			pref_sync_ref);
4965 
4966 	snd_iprintf(buffer, "System Clock Frequency: %d\n",
4967 			hdspm->system_sample_rate);
4968 
4969 
4970 	snd_iprintf(buffer, "--- Status:\n");
4971 
4972 	x = status & HDSPM_madiSync;
4973 	x2 = status2 & HDSPM_wcSync;
4974 
4975 	snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
4976 			(status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
4977 			"NoLock",
4978 			(status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
4979 			"NoLock");
4980 
4981 	switch (hdspm_autosync_ref(hdspm)) {
4982 	case HDSPM_AUTOSYNC_FROM_SYNC_IN:
4983 		autosync_ref = "Sync In";
4984 		break;
4985 	case HDSPM_AUTOSYNC_FROM_TCO:
4986 		autosync_ref = "TCO";
4987 		break;
4988 	case HDSPM_AUTOSYNC_FROM_WORD:
4989 		autosync_ref = "Word Clock";
4990 		break;
4991 	case HDSPM_AUTOSYNC_FROM_MADI:
4992 		autosync_ref = "MADI Sync";
4993 		break;
4994 	case HDSPM_AUTOSYNC_FROM_NONE:
4995 		autosync_ref = "Input not valid";
4996 		break;
4997 	default:
4998 		autosync_ref = "---";
4999 		break;
5000 	}
5001 	snd_iprintf(buffer,
5002 		"AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
5003 		autosync_ref, hdspm_external_sample_rate(hdspm),
5004 		(status & HDSPM_madiFreqMask) >> 22,
5005 		(status2 & HDSPM_wcFreqMask) >> 5);
5006 
5007 	snd_iprintf(buffer, "Input: %s, Mode=%s\n",
5008 		(status & HDSPM_AB_int) ? "Coax" : "Optical",
5009 		(status & HDSPM_RX_64ch) ? "64 channels" :
5010 		"56 channels");
5011 
5012 	/* call readout function for TCO specific status */
5013 	snd_hdspm_proc_read_tco(entry, buffer);
5014 
5015 	snd_iprintf(buffer, "\n");
5016 }
5017 
5018 static void
5019 snd_hdspm_proc_read_aes32(struct snd_info_entry * entry,
5020 			  struct snd_info_buffer *buffer)
5021 {
5022 	struct hdspm *hdspm = entry->private_data;
5023 	unsigned int status;
5024 	unsigned int status2;
5025 	unsigned int timecode;
5026 	unsigned int wcLock, wcSync;
5027 	int pref_syncref;
5028 	char *autosync_ref;
5029 	int x;
5030 
5031 	status = hdspm_read(hdspm, HDSPM_statusRegister);
5032 	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
5033 	timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
5034 
5035 	snd_iprintf(buffer, "%s (Card #%d) Rev.%x\n",
5036 		    hdspm->card_name, hdspm->card->number + 1,
5037 		    hdspm->firmware_rev);
5038 
5039 	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
5040 		    hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
5041 
5042 	snd_iprintf(buffer, "--- System ---\n");
5043 
5044 	snd_iprintf(buffer,
5045 		    "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
5046 		    status & HDSPM_audioIRQPending,
5047 		    (status & HDSPM_midi0IRQPending) ? 1 : 0,
5048 		    (status & HDSPM_midi1IRQPending) ? 1 : 0,
5049 		    hdspm->irq_count);
5050 	snd_iprintf(buffer,
5051 		    "HW pointer: id = %d, rawptr = %d (%d->%d) "
5052 		    "estimated= %ld (bytes)\n",
5053 		    ((status & HDSPM_BufferID) ? 1 : 0),
5054 		    (status & HDSPM_BufferPositionMask),
5055 		    (status & HDSPM_BufferPositionMask) %
5056 		    (2 * (int)hdspm->period_bytes),
5057 		    ((status & HDSPM_BufferPositionMask) - 64) %
5058 		    (2 * (int)hdspm->period_bytes),
5059 		    (long) hdspm_hw_pointer(hdspm) * 4);
5060 
5061 	snd_iprintf(buffer,
5062 		    "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
5063 		    hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
5064 		    hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
5065 		    hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
5066 		    hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
5067 	snd_iprintf(buffer,
5068 		    "MIDIoverMADI FIFO: In=0x%x, Out=0x%x \n",
5069 		    hdspm_read(hdspm, HDSPM_midiStatusIn2) & 0xFF,
5070 		    hdspm_read(hdspm, HDSPM_midiStatusOut2) & 0xFF);
5071 	snd_iprintf(buffer,
5072 		    "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
5073 		    "status2=0x%x\n",
5074 		    hdspm->control_register, hdspm->control2_register,
5075 		    status, status2);
5076 
5077 	snd_iprintf(buffer, "--- Settings ---\n");
5078 
5079 	x = hdspm_get_latency(hdspm);
5080 
5081 	snd_iprintf(buffer,
5082 		    "Size (Latency): %d samples (2 periods of %lu bytes)\n",
5083 		    x, (unsigned long) hdspm->period_bytes);
5084 
5085 	snd_iprintf(buffer, "Line out: %s\n",
5086 		    (hdspm->
5087 		     control_register & HDSPM_LineOut) ? "on " : "off");
5088 
5089 	snd_iprintf(buffer,
5090 		    "ClearTrackMarker %s, Emphasis %s, Dolby %s\n",
5091 		    (hdspm->
5092 		     control_register & HDSPM_clr_tms) ? "on" : "off",
5093 		    (hdspm->
5094 		     control_register & HDSPM_Emphasis) ? "on" : "off",
5095 		    (hdspm->
5096 		     control_register & HDSPM_Dolby) ? "on" : "off");
5097 
5098 
5099 	pref_syncref = hdspm_pref_sync_ref(hdspm);
5100 	if (pref_syncref == 0)
5101 		snd_iprintf(buffer, "Preferred Sync Reference: Word Clock\n");
5102 	else
5103 		snd_iprintf(buffer, "Preferred Sync Reference: AES%d\n",
5104 				pref_syncref);
5105 
5106 	snd_iprintf(buffer, "System Clock Frequency: %d\n",
5107 		    hdspm->system_sample_rate);
5108 
5109 	snd_iprintf(buffer, "Double speed: %s\n",
5110 			hdspm->control_register & HDSPM_DS_DoubleWire?
5111 			"Double wire" : "Single wire");
5112 	snd_iprintf(buffer, "Quad speed: %s\n",
5113 			hdspm->control_register & HDSPM_QS_DoubleWire?
5114 			"Double wire" :
5115 			hdspm->control_register & HDSPM_QS_QuadWire?
5116 			"Quad wire" : "Single wire");
5117 
5118 	snd_iprintf(buffer, "--- Status:\n");
5119 
5120 	wcLock = status & HDSPM_AES32_wcLock;
5121 	wcSync = wcLock && (status & HDSPM_AES32_wcSync);
5122 
5123 	snd_iprintf(buffer, "Word: %s  Frequency: %d\n",
5124 		    (wcLock) ? (wcSync ? "Sync   " : "Lock   ") : "No Lock",
5125 		    HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));
5126 
5127 	for (x = 0; x < 8; x++) {
5128 		snd_iprintf(buffer, "AES%d: %s  Frequency: %d\n",
5129 			    x+1,
5130 			    (status2 & (HDSPM_LockAES >> x)) ?
5131 			    "Sync   " : "No Lock",
5132 			    HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
5133 	}
5134 
5135 	switch (hdspm_autosync_ref(hdspm)) {
5136 	case HDSPM_AES32_AUTOSYNC_FROM_NONE:
5137 		autosync_ref = "None"; break;
5138 	case HDSPM_AES32_AUTOSYNC_FROM_WORD:
5139 		autosync_ref = "Word Clock"; break;
5140 	case HDSPM_AES32_AUTOSYNC_FROM_AES1:
5141 		autosync_ref = "AES1"; break;
5142 	case HDSPM_AES32_AUTOSYNC_FROM_AES2:
5143 		autosync_ref = "AES2"; break;
5144 	case HDSPM_AES32_AUTOSYNC_FROM_AES3:
5145 		autosync_ref = "AES3"; break;
5146 	case HDSPM_AES32_AUTOSYNC_FROM_AES4:
5147 		autosync_ref = "AES4"; break;
5148 	case HDSPM_AES32_AUTOSYNC_FROM_AES5:
5149 		autosync_ref = "AES5"; break;
5150 	case HDSPM_AES32_AUTOSYNC_FROM_AES6:
5151 		autosync_ref = "AES6"; break;
5152 	case HDSPM_AES32_AUTOSYNC_FROM_AES7:
5153 		autosync_ref = "AES7"; break;
5154 	case HDSPM_AES32_AUTOSYNC_FROM_AES8:
5155 		autosync_ref = "AES8"; break;
5156 	case HDSPM_AES32_AUTOSYNC_FROM_TCO:
5157 		autosync_ref = "TCO"; break;
5158 	case HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN:
5159 		autosync_ref = "Sync In"; break;
5160 	default:
5161 		autosync_ref = "---"; break;
5162 	}
5163 	snd_iprintf(buffer, "AutoSync ref = %s\n", autosync_ref);
5164 
5165 	/* call readout function for TCO specific status */
5166 	snd_hdspm_proc_read_tco(entry, buffer);
5167 
5168 	snd_iprintf(buffer, "\n");
5169 }
5170 
5171 static void
5172 snd_hdspm_proc_read_raydat(struct snd_info_entry *entry,
5173 			 struct snd_info_buffer *buffer)
5174 {
5175 	struct hdspm *hdspm = entry->private_data;
5176 	unsigned int status1, status2, status3, i;
5177 	unsigned int lock, sync;
5178 
5179 	status1 = hdspm_read(hdspm, HDSPM_RD_STATUS_1); /* s1 */
5180 	status2 = hdspm_read(hdspm, HDSPM_RD_STATUS_2); /* freq */
5181 	status3 = hdspm_read(hdspm, HDSPM_RD_STATUS_3); /* s2 */
5182 
5183 	snd_iprintf(buffer, "STATUS1: 0x%08x\n", status1);
5184 	snd_iprintf(buffer, "STATUS2: 0x%08x\n", status2);
5185 	snd_iprintf(buffer, "STATUS3: 0x%08x\n", status3);
5186 
5187 
5188 	snd_iprintf(buffer, "\n*** CLOCK MODE\n\n");
5189 
5190 	snd_iprintf(buffer, "Clock mode      : %s\n",
5191 		(hdspm_system_clock_mode(hdspm) == 0) ? "master" : "slave");
5192 	snd_iprintf(buffer, "System frequency: %d Hz\n",
5193 		hdspm_get_system_sample_rate(hdspm));
5194 
5195 	snd_iprintf(buffer, "\n*** INPUT STATUS\n\n");
5196 
5197 	lock = 0x1;
5198 	sync = 0x100;
5199 
5200 	for (i = 0; i < 8; i++) {
5201 		snd_iprintf(buffer, "s1_input %d: Lock %d, Sync %d, Freq %s\n",
5202 				i,
5203 				(status1 & lock) ? 1 : 0,
5204 				(status1 & sync) ? 1 : 0,
5205 				texts_freq[(status2 >> (i * 4)) & 0xF]);
5206 
5207 		lock = lock<<1;
5208 		sync = sync<<1;
5209 	}
5210 
5211 	snd_iprintf(buffer, "WC input: Lock %d, Sync %d, Freq %s\n",
5212 			(status1 & 0x1000000) ? 1 : 0,
5213 			(status1 & 0x2000000) ? 1 : 0,
5214 			texts_freq[(status1 >> 16) & 0xF]);
5215 
5216 	snd_iprintf(buffer, "TCO input: Lock %d, Sync %d, Freq %s\n",
5217 			(status1 & 0x4000000) ? 1 : 0,
5218 			(status1 & 0x8000000) ? 1 : 0,
5219 			texts_freq[(status1 >> 20) & 0xF]);
5220 
5221 	snd_iprintf(buffer, "SYNC IN: Lock %d, Sync %d, Freq %s\n",
5222 			(status3 & 0x400) ? 1 : 0,
5223 			(status3 & 0x800) ? 1 : 0,
5224 			texts_freq[(status2 >> 12) & 0xF]);
5225 
5226 }
5227 
5228 #ifdef CONFIG_SND_DEBUG
5229 static void
5230 snd_hdspm_proc_read_debug(struct snd_info_entry *entry,
5231 			  struct snd_info_buffer *buffer)
5232 {
5233 	struct hdspm *hdspm = entry->private_data;
5234 
5235 	int j,i;
5236 
5237 	for (i = 0; i < 256 /* 1024*64 */; i += j) {
5238 		snd_iprintf(buffer, "0x%08X: ", i);
5239 		for (j = 0; j < 16; j += 4)
5240 			snd_iprintf(buffer, "%08X ", hdspm_read(hdspm, i + j));
5241 		snd_iprintf(buffer, "\n");
5242 	}
5243 }
5244 #endif
5245 
5246 
5247 static void snd_hdspm_proc_ports_in(struct snd_info_entry *entry,
5248 			  struct snd_info_buffer *buffer)
5249 {
5250 	struct hdspm *hdspm = entry->private_data;
5251 	int i;
5252 
5253 	snd_iprintf(buffer, "# generated by hdspm\n");
5254 
5255 	for (i = 0; i < hdspm->max_channels_in; i++) {
5256 		snd_iprintf(buffer, "%d=%s\n", i+1, hdspm->port_names_in[i]);
5257 	}
5258 }
5259 
5260 static void snd_hdspm_proc_ports_out(struct snd_info_entry *entry,
5261 			  struct snd_info_buffer *buffer)
5262 {
5263 	struct hdspm *hdspm = entry->private_data;
5264 	int i;
5265 
5266 	snd_iprintf(buffer, "# generated by hdspm\n");
5267 
5268 	for (i = 0; i < hdspm->max_channels_out; i++) {
5269 		snd_iprintf(buffer, "%d=%s\n", i+1, hdspm->port_names_out[i]);
5270 	}
5271 }
5272 
5273 
5274 static void snd_hdspm_proc_init(struct hdspm *hdspm)
5275 {
5276 	void (*read)(struct snd_info_entry *, struct snd_info_buffer *) = NULL;
5277 
5278 	switch (hdspm->io_type) {
5279 	case AES32:
5280 		read = snd_hdspm_proc_read_aes32;
5281 		break;
5282 	case MADI:
5283 		read = snd_hdspm_proc_read_madi;
5284 		break;
5285 	case MADIface:
5286 		/* read = snd_hdspm_proc_read_madiface; */
5287 		break;
5288 	case RayDAT:
5289 		read = snd_hdspm_proc_read_raydat;
5290 		break;
5291 	case AIO:
5292 		break;
5293 	}
5294 
5295 	snd_card_ro_proc_new(hdspm->card, "hdspm", hdspm, read);
5296 	snd_card_ro_proc_new(hdspm->card, "ports.in", hdspm,
5297 			     snd_hdspm_proc_ports_in);
5298 	snd_card_ro_proc_new(hdspm->card, "ports.out", hdspm,
5299 			     snd_hdspm_proc_ports_out);
5300 
5301 #ifdef CONFIG_SND_DEBUG
5302 	/* debug file to read all hdspm registers */
5303 	snd_card_ro_proc_new(hdspm->card, "debug", hdspm,
5304 			     snd_hdspm_proc_read_debug);
5305 #endif
5306 }
5307 
5308 /*------------------------------------------------------------
5309    hdspm intitialize
5310  ------------------------------------------------------------*/
5311 
5312 static int snd_hdspm_set_defaults(struct hdspm * hdspm)
5313 {
5314 	/* ASSUMPTION: hdspm->lock is either held, or there is no need to
5315 	   hold it (e.g. during module initialization).
5316 	   */
5317 
5318 	/* set defaults:       */
5319 
5320 	hdspm->settings_register = 0;
5321 
5322 	switch (hdspm->io_type) {
5323 	case MADI:
5324 	case MADIface:
5325 		hdspm->control_register =
5326 			0x2 + 0x8 + 0x10 + 0x80 + 0x400 + 0x4000 + 0x1000000;
5327 		break;
5328 
5329 	case RayDAT:
5330 	case AIO:
5331 		hdspm->settings_register = 0x1 + 0x1000;
5332 		/* Magic values are: LAT_0, LAT_2, Master, freq1, tx64ch, inp_0,
5333 		 * line_out */
5334 		hdspm->control_register =
5335 			0x2 + 0x8 + 0x10 + 0x80 + 0x400 + 0x4000 + 0x1000000;
5336 		break;
5337 
5338 	case AES32:
5339 		hdspm->control_register =
5340 			HDSPM_ClockModeMaster |	/* Master Clock Mode on */
5341 			hdspm_encode_latency(7) | /* latency max=8192samples */
5342 			HDSPM_SyncRef0 |	/* AES1 is syncclock */
5343 			HDSPM_LineOut |	/* Analog output in */
5344 			HDSPM_Professional;  /* Professional mode */
5345 		break;
5346 	}
5347 
5348 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
5349 
5350 	if (AES32 == hdspm->io_type) {
5351 		/* No control2 register for AES32 */
5352 #ifdef SNDRV_BIG_ENDIAN
5353 		hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
5354 #else
5355 		hdspm->control2_register = 0;
5356 #endif
5357 
5358 		hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
5359 	}
5360 	hdspm_compute_period_size(hdspm);
5361 
5362 	/* silence everything */
5363 
5364 	all_in_all_mixer(hdspm, 0 * UNITY_GAIN);
5365 
5366 	if (hdspm_is_raydat_or_aio(hdspm))
5367 		hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
5368 
5369 	/* set a default rate so that the channel map is set up. */
5370 	hdspm_set_rate(hdspm, 48000, 1);
5371 
5372 	return 0;
5373 }
5374 
5375 
5376 /*------------------------------------------------------------
5377    interrupt
5378  ------------------------------------------------------------*/
5379 
5380 static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id)
5381 {
5382 	struct hdspm *hdspm = (struct hdspm *) dev_id;
5383 	unsigned int status;
5384 	int i, audio, midi, schedule = 0;
5385 	/* cycles_t now; */
5386 
5387 	status = hdspm_read(hdspm, HDSPM_statusRegister);
5388 
5389 	audio = status & HDSPM_audioIRQPending;
5390 	midi = status & (HDSPM_midi0IRQPending | HDSPM_midi1IRQPending |
5391 			HDSPM_midi2IRQPending | HDSPM_midi3IRQPending);
5392 
5393 	/* now = get_cycles(); */
5394 	/*
5395 	 *   LAT_2..LAT_0 period  counter (win)  counter (mac)
5396 	 *          6       4096   ~256053425     ~514672358
5397 	 *          5       2048   ~128024983     ~257373821
5398 	 *          4       1024    ~64023706     ~128718089
5399 	 *          3        512    ~32005945      ~64385999
5400 	 *          2        256    ~16003039      ~32260176
5401 	 *          1        128     ~7998738      ~16194507
5402 	 *          0         64     ~3998231       ~8191558
5403 	 */
5404 	/*
5405 	  dev_info(hdspm->card->dev, "snd_hdspm_interrupt %llu @ %llx\n",
5406 	   now-hdspm->last_interrupt, status & 0xFFC0);
5407 	   hdspm->last_interrupt = now;
5408 	*/
5409 
5410 	if (!audio && !midi)
5411 		return IRQ_NONE;
5412 
5413 	hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
5414 	hdspm->irq_count++;
5415 
5416 
5417 	if (audio) {
5418 		if (hdspm->capture_substream)
5419 			snd_pcm_period_elapsed(hdspm->capture_substream);
5420 
5421 		if (hdspm->playback_substream)
5422 			snd_pcm_period_elapsed(hdspm->playback_substream);
5423 	}
5424 
5425 	if (midi) {
5426 		i = 0;
5427 		while (i < hdspm->midiPorts) {
5428 			if ((hdspm_read(hdspm,
5429 				hdspm->midi[i].statusIn) & 0xff) &&
5430 					(status & hdspm->midi[i].irq)) {
5431 				/* we disable interrupts for this input until
5432 				 * processing is done
5433 				 */
5434 				hdspm->control_register &= ~hdspm->midi[i].ie;
5435 				hdspm_write(hdspm, HDSPM_controlRegister,
5436 						hdspm->control_register);
5437 				hdspm->midi[i].pending = 1;
5438 				schedule = 1;
5439 			}
5440 
5441 			i++;
5442 		}
5443 
5444 		if (schedule)
5445 			queue_work(system_highpri_wq, &hdspm->midi_work);
5446 	}
5447 
5448 	return IRQ_HANDLED;
5449 }
5450 
5451 /*------------------------------------------------------------
5452    pcm interface
5453   ------------------------------------------------------------*/
5454 
5455 
5456 static snd_pcm_uframes_t snd_hdspm_hw_pointer(struct snd_pcm_substream
5457 					      *substream)
5458 {
5459 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5460 	return hdspm_hw_pointer(hdspm);
5461 }
5462 
5463 
5464 static int snd_hdspm_reset(struct snd_pcm_substream *substream)
5465 {
5466 	struct snd_pcm_runtime *runtime = substream->runtime;
5467 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5468 	struct snd_pcm_substream *other;
5469 
5470 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
5471 		other = hdspm->capture_substream;
5472 	else
5473 		other = hdspm->playback_substream;
5474 
5475 	if (hdspm->running)
5476 		runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
5477 	else
5478 		runtime->status->hw_ptr = 0;
5479 	if (other) {
5480 		struct snd_pcm_substream *s;
5481 		struct snd_pcm_runtime *oruntime = other->runtime;
5482 		snd_pcm_group_for_each_entry(s, substream) {
5483 			if (s == other) {
5484 				oruntime->status->hw_ptr =
5485 					runtime->status->hw_ptr;
5486 				break;
5487 			}
5488 		}
5489 	}
5490 	return 0;
5491 }
5492 
5493 static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
5494 			       struct snd_pcm_hw_params *params)
5495 {
5496 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5497 	int err;
5498 	int i;
5499 	pid_t this_pid;
5500 	pid_t other_pid;
5501 
5502 	spin_lock_irq(&hdspm->lock);
5503 
5504 	if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5505 		this_pid = hdspm->playback_pid;
5506 		other_pid = hdspm->capture_pid;
5507 	} else {
5508 		this_pid = hdspm->capture_pid;
5509 		other_pid = hdspm->playback_pid;
5510 	}
5511 
5512 	if (other_pid > 0 && this_pid != other_pid) {
5513 
5514 		/* The other stream is open, and not by the same
5515 		   task as this one. Make sure that the parameters
5516 		   that matter are the same.
5517 		   */
5518 
5519 		if (params_rate(params) != hdspm->system_sample_rate) {
5520 			spin_unlock_irq(&hdspm->lock);
5521 			_snd_pcm_hw_param_setempty(params,
5522 					SNDRV_PCM_HW_PARAM_RATE);
5523 			return -EBUSY;
5524 		}
5525 
5526 		if (params_period_size(params) != hdspm->period_bytes / 4) {
5527 			spin_unlock_irq(&hdspm->lock);
5528 			_snd_pcm_hw_param_setempty(params,
5529 					SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
5530 			return -EBUSY;
5531 		}
5532 
5533 	}
5534 	/* We're fine. */
5535 	spin_unlock_irq(&hdspm->lock);
5536 
5537 	/* how to make sure that the rate matches an externally-set one ?   */
5538 
5539 	spin_lock_irq(&hdspm->lock);
5540 	err = hdspm_set_rate(hdspm, params_rate(params), 0);
5541 	if (err < 0) {
5542 		dev_info(hdspm->card->dev, "err on hdspm_set_rate: %d\n", err);
5543 		spin_unlock_irq(&hdspm->lock);
5544 		_snd_pcm_hw_param_setempty(params,
5545 				SNDRV_PCM_HW_PARAM_RATE);
5546 		return err;
5547 	}
5548 	spin_unlock_irq(&hdspm->lock);
5549 
5550 	err = hdspm_set_interrupt_interval(hdspm,
5551 			params_period_size(params));
5552 	if (err < 0) {
5553 		dev_info(hdspm->card->dev,
5554 			 "err on hdspm_set_interrupt_interval: %d\n", err);
5555 		_snd_pcm_hw_param_setempty(params,
5556 				SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
5557 		return err;
5558 	}
5559 
5560 	/* Memory allocation, takashi's method, dont know if we should
5561 	 * spinlock
5562 	 */
5563 	/* malloc all buffer even if not enabled to get sure */
5564 	/* Update for MADI rev 204: we need to allocate for all channels,
5565 	 * otherwise it doesn't work at 96kHz */
5566 
5567 	err =
5568 		snd_pcm_lib_malloc_pages(substream, HDSPM_DMA_AREA_BYTES);
5569 	if (err < 0) {
5570 		dev_info(hdspm->card->dev,
5571 			 "err on snd_pcm_lib_malloc_pages: %d\n", err);
5572 		return err;
5573 	}
5574 
5575 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5576 
5577 		for (i = 0; i < params_channels(params); ++i) {
5578 			int c = hdspm->channel_map_out[i];
5579 
5580 			if (c < 0)
5581 				continue;      /* just make sure */
5582 			hdspm_set_channel_dma_addr(hdspm, substream,
5583 						   HDSPM_pageAddressBufferOut,
5584 						   c);
5585 			snd_hdspm_enable_out(hdspm, c, 1);
5586 		}
5587 
5588 		hdspm->playback_buffer =
5589 			(unsigned char *) substream->runtime->dma_area;
5590 		dev_dbg(hdspm->card->dev,
5591 			"Allocated sample buffer for playback at %p\n",
5592 				hdspm->playback_buffer);
5593 	} else {
5594 		for (i = 0; i < params_channels(params); ++i) {
5595 			int c = hdspm->channel_map_in[i];
5596 
5597 			if (c < 0)
5598 				continue;
5599 			hdspm_set_channel_dma_addr(hdspm, substream,
5600 						   HDSPM_pageAddressBufferIn,
5601 						   c);
5602 			snd_hdspm_enable_in(hdspm, c, 1);
5603 		}
5604 
5605 		hdspm->capture_buffer =
5606 			(unsigned char *) substream->runtime->dma_area;
5607 		dev_dbg(hdspm->card->dev,
5608 			"Allocated sample buffer for capture at %p\n",
5609 				hdspm->capture_buffer);
5610 	}
5611 
5612 	/*
5613 	   dev_dbg(hdspm->card->dev,
5614 	   "Allocated sample buffer for %s at 0x%08X\n",
5615 	   substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
5616 	   "playback" : "capture",
5617 	   snd_pcm_sgbuf_get_addr(substream, 0));
5618 	   */
5619 	/*
5620 	   dev_dbg(hdspm->card->dev,
5621 	   "set_hwparams: %s %d Hz, %d channels, bs = %d\n",
5622 	   substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
5623 	   "playback" : "capture",
5624 	   params_rate(params), params_channels(params),
5625 	   params_buffer_size(params));
5626 	   */
5627 
5628 
5629 	/*  For AES cards, the float format bit is the same as the
5630 	 *  preferred sync reference. Since we don't want to break
5631 	 *  sync settings, we have to skip the remaining part of this
5632 	 *  function.
5633 	 */
5634 	if (hdspm->io_type == AES32) {
5635 		return 0;
5636 	}
5637 
5638 
5639 	/* Switch to native float format if requested */
5640 	if (SNDRV_PCM_FORMAT_FLOAT_LE == params_format(params)) {
5641 		if (!(hdspm->control_register & HDSPe_FLOAT_FORMAT))
5642 			dev_info(hdspm->card->dev,
5643 				 "Switching to native 32bit LE float format.\n");
5644 
5645 		hdspm->control_register |= HDSPe_FLOAT_FORMAT;
5646 	} else if (SNDRV_PCM_FORMAT_S32_LE == params_format(params)) {
5647 		if (hdspm->control_register & HDSPe_FLOAT_FORMAT)
5648 			dev_info(hdspm->card->dev,
5649 				 "Switching to native 32bit LE integer format.\n");
5650 
5651 		hdspm->control_register &= ~HDSPe_FLOAT_FORMAT;
5652 	}
5653 	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
5654 
5655 	return 0;
5656 }
5657 
5658 static int snd_hdspm_hw_free(struct snd_pcm_substream *substream)
5659 {
5660 	int i;
5661 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5662 
5663 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5664 		/* Just disable all channels. The saving when disabling a */
5665 		/* smaller set is not worth the trouble. */
5666 		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
5667 			snd_hdspm_enable_out(hdspm, i, 0);
5668 
5669 		hdspm->playback_buffer = NULL;
5670 	} else {
5671 		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
5672 			snd_hdspm_enable_in(hdspm, i, 0);
5673 
5674 		hdspm->capture_buffer = NULL;
5675 	}
5676 
5677 	snd_pcm_lib_free_pages(substream);
5678 
5679 	return 0;
5680 }
5681 
5682 
5683 static int snd_hdspm_channel_info(struct snd_pcm_substream *substream,
5684 		struct snd_pcm_channel_info *info)
5685 {
5686 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5687 	unsigned int channel = info->channel;
5688 
5689 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
5690 		if (snd_BUG_ON(channel >= hdspm->max_channels_out)) {
5691 			dev_info(hdspm->card->dev,
5692 				 "snd_hdspm_channel_info: output channel out of range (%d)\n",
5693 				 channel);
5694 			return -EINVAL;
5695 		}
5696 
5697 		channel = array_index_nospec(channel, hdspm->max_channels_out);
5698 		if (hdspm->channel_map_out[channel] < 0) {
5699 			dev_info(hdspm->card->dev,
5700 				 "snd_hdspm_channel_info: output channel %d mapped out\n",
5701 				 channel);
5702 			return -EINVAL;
5703 		}
5704 
5705 		info->offset = hdspm->channel_map_out[channel] *
5706 			HDSPM_CHANNEL_BUFFER_BYTES;
5707 	} else {
5708 		if (snd_BUG_ON(channel >= hdspm->max_channels_in)) {
5709 			dev_info(hdspm->card->dev,
5710 				 "snd_hdspm_channel_info: input channel out of range (%d)\n",
5711 				 channel);
5712 			return -EINVAL;
5713 		}
5714 
5715 		channel = array_index_nospec(channel, hdspm->max_channels_in);
5716 		if (hdspm->channel_map_in[channel] < 0) {
5717 			dev_info(hdspm->card->dev,
5718 				 "snd_hdspm_channel_info: input channel %d mapped out\n",
5719 				 channel);
5720 			return -EINVAL;
5721 		}
5722 
5723 		info->offset = hdspm->channel_map_in[channel] *
5724 			HDSPM_CHANNEL_BUFFER_BYTES;
5725 	}
5726 
5727 	info->first = 0;
5728 	info->step = 32;
5729 	return 0;
5730 }
5731 
5732 
5733 static int snd_hdspm_ioctl(struct snd_pcm_substream *substream,
5734 		unsigned int cmd, void *arg)
5735 {
5736 	switch (cmd) {
5737 	case SNDRV_PCM_IOCTL1_RESET:
5738 		return snd_hdspm_reset(substream);
5739 
5740 	case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
5741 		{
5742 			struct snd_pcm_channel_info *info = arg;
5743 			return snd_hdspm_channel_info(substream, info);
5744 		}
5745 	default:
5746 		break;
5747 	}
5748 
5749 	return snd_pcm_lib_ioctl(substream, cmd, arg);
5750 }
5751 
5752 static int snd_hdspm_trigger(struct snd_pcm_substream *substream, int cmd)
5753 {
5754 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
5755 	struct snd_pcm_substream *other;
5756 	int running;
5757 
5758 	spin_lock(&hdspm->lock);
5759 	running = hdspm->running;
5760 	switch (cmd) {
5761 	case SNDRV_PCM_TRIGGER_START:
5762 		running |= 1 << substream->stream;
5763 		break;
5764 	case SNDRV_PCM_TRIGGER_STOP:
5765 		running &= ~(1 << substream->stream);
5766 		break;
5767 	default:
5768 		snd_BUG();
5769 		spin_unlock(&hdspm->lock);
5770 		return -EINVAL;
5771 	}
5772 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
5773 		other = hdspm->capture_substream;
5774 	else
5775 		other = hdspm->playback_substream;
5776 
5777 	if (other) {
5778 		struct snd_pcm_substream *s;
5779 		snd_pcm_group_for_each_entry(s, substream) {
5780 			if (s == other) {
5781 				snd_pcm_trigger_done(s, substream);
5782 				if (cmd == SNDRV_PCM_TRIGGER_START)
5783 					running |= 1 << s->stream;
5784 				else
5785 					running &= ~(1 << s->stream);
5786 				goto _ok;
5787 			}
5788 		}
5789 		if (cmd == SNDRV_PCM_TRIGGER_START) {
5790 			if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK))
5791 					&& substream->stream ==
5792 					SNDRV_PCM_STREAM_CAPTURE)
5793 				hdspm_silence_playback(hdspm);
5794 		} else {
5795 			if (running &&
5796 				substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
5797 				hdspm_silence_playback(hdspm);
5798 		}
5799 	} else {
5800 		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
5801 			hdspm_silence_playback(hdspm);
5802 	}
5803 _ok:
5804 	snd_pcm_trigger_done(substream, substream);
5805 	if (!hdspm->running && running)
5806 		hdspm_start_audio(hdspm);
5807 	else if (hdspm->running && !running)
5808 		hdspm_stop_audio(hdspm);
5809 	hdspm->running = running;
5810 	spin_unlock(&hdspm->lock);
5811 
5812 	return 0;
5813 }
5814 
5815 static int snd_hdspm_prepare(struct snd_pcm_substream *substream)
5816 {
5817 	return 0;
5818 }
5819 
5820 static const struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
5821 	.info = (SNDRV_PCM_INFO_MMAP |
5822 		 SNDRV_PCM_INFO_MMAP_VALID |
5823 		 SNDRV_PCM_INFO_NONINTERLEAVED |
5824 		 SNDRV_PCM_INFO_SYNC_START | SNDRV_PCM_INFO_DOUBLE),
5825 	.formats = SNDRV_PCM_FMTBIT_S32_LE,
5826 	.rates = (SNDRV_PCM_RATE_32000 |
5827 		  SNDRV_PCM_RATE_44100 |
5828 		  SNDRV_PCM_RATE_48000 |
5829 		  SNDRV_PCM_RATE_64000 |
5830 		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
5831 		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 ),
5832 	.rate_min = 32000,
5833 	.rate_max = 192000,
5834 	.channels_min = 1,
5835 	.channels_max = HDSPM_MAX_CHANNELS,
5836 	.buffer_bytes_max =
5837 	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
5838 	.period_bytes_min = (32 * 4),
5839 	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
5840 	.periods_min = 2,
5841 	.periods_max = 512,
5842 	.fifo_size = 0
5843 };
5844 
5845 static const struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
5846 	.info = (SNDRV_PCM_INFO_MMAP |
5847 		 SNDRV_PCM_INFO_MMAP_VALID |
5848 		 SNDRV_PCM_INFO_NONINTERLEAVED |
5849 		 SNDRV_PCM_INFO_SYNC_START),
5850 	.formats = SNDRV_PCM_FMTBIT_S32_LE,
5851 	.rates = (SNDRV_PCM_RATE_32000 |
5852 		  SNDRV_PCM_RATE_44100 |
5853 		  SNDRV_PCM_RATE_48000 |
5854 		  SNDRV_PCM_RATE_64000 |
5855 		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
5856 		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000),
5857 	.rate_min = 32000,
5858 	.rate_max = 192000,
5859 	.channels_min = 1,
5860 	.channels_max = HDSPM_MAX_CHANNELS,
5861 	.buffer_bytes_max =
5862 	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
5863 	.period_bytes_min = (32 * 4),
5864 	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
5865 	.periods_min = 2,
5866 	.periods_max = 512,
5867 	.fifo_size = 0
5868 };
5869 
5870 static int snd_hdspm_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
5871 					   struct snd_pcm_hw_rule *rule)
5872 {
5873 	struct hdspm *hdspm = rule->private;
5874 	struct snd_interval *c =
5875 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5876 	struct snd_interval *r =
5877 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5878 
5879 	if (r->min > 96000 && r->max <= 192000) {
5880 		struct snd_interval t = {
5881 			.min = hdspm->qs_in_channels,
5882 			.max = hdspm->qs_in_channels,
5883 			.integer = 1,
5884 		};
5885 		return snd_interval_refine(c, &t);
5886 	} else if (r->min > 48000 && r->max <= 96000) {
5887 		struct snd_interval t = {
5888 			.min = hdspm->ds_in_channels,
5889 			.max = hdspm->ds_in_channels,
5890 			.integer = 1,
5891 		};
5892 		return snd_interval_refine(c, &t);
5893 	} else if (r->max < 64000) {
5894 		struct snd_interval t = {
5895 			.min = hdspm->ss_in_channels,
5896 			.max = hdspm->ss_in_channels,
5897 			.integer = 1,
5898 		};
5899 		return snd_interval_refine(c, &t);
5900 	}
5901 
5902 	return 0;
5903 }
5904 
5905 static int snd_hdspm_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
5906 					   struct snd_pcm_hw_rule * rule)
5907 {
5908 	struct hdspm *hdspm = rule->private;
5909 	struct snd_interval *c =
5910 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5911 	struct snd_interval *r =
5912 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5913 
5914 	if (r->min > 96000 && r->max <= 192000) {
5915 		struct snd_interval t = {
5916 			.min = hdspm->qs_out_channels,
5917 			.max = hdspm->qs_out_channels,
5918 			.integer = 1,
5919 		};
5920 		return snd_interval_refine(c, &t);
5921 	} else if (r->min > 48000 && r->max <= 96000) {
5922 		struct snd_interval t = {
5923 			.min = hdspm->ds_out_channels,
5924 			.max = hdspm->ds_out_channels,
5925 			.integer = 1,
5926 		};
5927 		return snd_interval_refine(c, &t);
5928 	} else if (r->max < 64000) {
5929 		struct snd_interval t = {
5930 			.min = hdspm->ss_out_channels,
5931 			.max = hdspm->ss_out_channels,
5932 			.integer = 1,
5933 		};
5934 		return snd_interval_refine(c, &t);
5935 	} else {
5936 	}
5937 	return 0;
5938 }
5939 
5940 static int snd_hdspm_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params,
5941 					   struct snd_pcm_hw_rule * rule)
5942 {
5943 	struct hdspm *hdspm = rule->private;
5944 	struct snd_interval *c =
5945 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5946 	struct snd_interval *r =
5947 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5948 
5949 	if (c->min >= hdspm->ss_in_channels) {
5950 		struct snd_interval t = {
5951 			.min = 32000,
5952 			.max = 48000,
5953 			.integer = 1,
5954 		};
5955 		return snd_interval_refine(r, &t);
5956 	} else if (c->max <= hdspm->qs_in_channels) {
5957 		struct snd_interval t = {
5958 			.min = 128000,
5959 			.max = 192000,
5960 			.integer = 1,
5961 		};
5962 		return snd_interval_refine(r, &t);
5963 	} else if (c->max <= hdspm->ds_in_channels) {
5964 		struct snd_interval t = {
5965 			.min = 64000,
5966 			.max = 96000,
5967 			.integer = 1,
5968 		};
5969 		return snd_interval_refine(r, &t);
5970 	}
5971 
5972 	return 0;
5973 }
5974 static int snd_hdspm_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params,
5975 					   struct snd_pcm_hw_rule *rule)
5976 {
5977 	struct hdspm *hdspm = rule->private;
5978 	struct snd_interval *c =
5979 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
5980 	struct snd_interval *r =
5981 	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
5982 
5983 	if (c->min >= hdspm->ss_out_channels) {
5984 		struct snd_interval t = {
5985 			.min = 32000,
5986 			.max = 48000,
5987 			.integer = 1,
5988 		};
5989 		return snd_interval_refine(r, &t);
5990 	} else if (c->max <= hdspm->qs_out_channels) {
5991 		struct snd_interval t = {
5992 			.min = 128000,
5993 			.max = 192000,
5994 			.integer = 1,
5995 		};
5996 		return snd_interval_refine(r, &t);
5997 	} else if (c->max <= hdspm->ds_out_channels) {
5998 		struct snd_interval t = {
5999 			.min = 64000,
6000 			.max = 96000,
6001 			.integer = 1,
6002 		};
6003 		return snd_interval_refine(r, &t);
6004 	}
6005 
6006 	return 0;
6007 }
6008 
6009 static int snd_hdspm_hw_rule_in_channels(struct snd_pcm_hw_params *params,
6010 				      struct snd_pcm_hw_rule *rule)
6011 {
6012 	unsigned int list[3];
6013 	struct hdspm *hdspm = rule->private;
6014 	struct snd_interval *c = hw_param_interval(params,
6015 			SNDRV_PCM_HW_PARAM_CHANNELS);
6016 
6017 	list[0] = hdspm->qs_in_channels;
6018 	list[1] = hdspm->ds_in_channels;
6019 	list[2] = hdspm->ss_in_channels;
6020 	return snd_interval_list(c, 3, list, 0);
6021 }
6022 
6023 static int snd_hdspm_hw_rule_out_channels(struct snd_pcm_hw_params *params,
6024 				      struct snd_pcm_hw_rule *rule)
6025 {
6026 	unsigned int list[3];
6027 	struct hdspm *hdspm = rule->private;
6028 	struct snd_interval *c = hw_param_interval(params,
6029 			SNDRV_PCM_HW_PARAM_CHANNELS);
6030 
6031 	list[0] = hdspm->qs_out_channels;
6032 	list[1] = hdspm->ds_out_channels;
6033 	list[2] = hdspm->ss_out_channels;
6034 	return snd_interval_list(c, 3, list, 0);
6035 }
6036 
6037 
6038 static const unsigned int hdspm_aes32_sample_rates[] = {
6039 	32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000
6040 };
6041 
6042 static const struct snd_pcm_hw_constraint_list
6043 hdspm_hw_constraints_aes32_sample_rates = {
6044 	.count = ARRAY_SIZE(hdspm_aes32_sample_rates),
6045 	.list = hdspm_aes32_sample_rates,
6046 	.mask = 0
6047 };
6048 
6049 static int snd_hdspm_open(struct snd_pcm_substream *substream)
6050 {
6051 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
6052 	struct snd_pcm_runtime *runtime = substream->runtime;
6053 	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
6054 
6055 	spin_lock_irq(&hdspm->lock);
6056 	snd_pcm_set_sync(substream);
6057 	runtime->hw = (playback) ? snd_hdspm_playback_subinfo :
6058 		snd_hdspm_capture_subinfo;
6059 
6060 	if (playback) {
6061 		if (!hdspm->capture_substream)
6062 			hdspm_stop_audio(hdspm);
6063 
6064 		hdspm->playback_pid = current->pid;
6065 		hdspm->playback_substream = substream;
6066 	} else {
6067 		if (!hdspm->playback_substream)
6068 			hdspm_stop_audio(hdspm);
6069 
6070 		hdspm->capture_pid = current->pid;
6071 		hdspm->capture_substream = substream;
6072 	}
6073 
6074 	spin_unlock_irq(&hdspm->lock);
6075 
6076 	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
6077 	snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
6078 
6079 	switch (hdspm->io_type) {
6080 	case AIO:
6081 	case RayDAT:
6082 		snd_pcm_hw_constraint_minmax(runtime,
6083 					     SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
6084 					     32, 4096);
6085 		/* RayDAT & AIO have a fixed buffer of 16384 samples per channel */
6086 		snd_pcm_hw_constraint_single(runtime,
6087 					     SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
6088 					     16384);
6089 		break;
6090 
6091 	default:
6092 		snd_pcm_hw_constraint_minmax(runtime,
6093 					     SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
6094 					     64, 8192);
6095 		snd_pcm_hw_constraint_single(runtime,
6096 					     SNDRV_PCM_HW_PARAM_PERIODS, 2);
6097 		break;
6098 	}
6099 
6100 	if (AES32 == hdspm->io_type) {
6101 		runtime->hw.rates |= SNDRV_PCM_RATE_KNOT;
6102 		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
6103 				&hdspm_hw_constraints_aes32_sample_rates);
6104 	} else {
6105 		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
6106 				(playback ?
6107 				 snd_hdspm_hw_rule_rate_out_channels :
6108 				 snd_hdspm_hw_rule_rate_in_channels), hdspm,
6109 				SNDRV_PCM_HW_PARAM_CHANNELS, -1);
6110 	}
6111 
6112 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
6113 			(playback ? snd_hdspm_hw_rule_out_channels :
6114 			 snd_hdspm_hw_rule_in_channels), hdspm,
6115 			SNDRV_PCM_HW_PARAM_CHANNELS, -1);
6116 
6117 	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
6118 			(playback ? snd_hdspm_hw_rule_out_channels_rate :
6119 			 snd_hdspm_hw_rule_in_channels_rate), hdspm,
6120 			SNDRV_PCM_HW_PARAM_RATE, -1);
6121 
6122 	return 0;
6123 }
6124 
6125 static int snd_hdspm_release(struct snd_pcm_substream *substream)
6126 {
6127 	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
6128 	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
6129 
6130 	spin_lock_irq(&hdspm->lock);
6131 
6132 	if (playback) {
6133 		hdspm->playback_pid = -1;
6134 		hdspm->playback_substream = NULL;
6135 	} else {
6136 		hdspm->capture_pid = -1;
6137 		hdspm->capture_substream = NULL;
6138 	}
6139 
6140 	spin_unlock_irq(&hdspm->lock);
6141 
6142 	return 0;
6143 }
6144 
6145 static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep *hw, struct file *file)
6146 {
6147 	/* we have nothing to initialize but the call is required */
6148 	return 0;
6149 }
6150 
6151 static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
6152 		unsigned int cmd, unsigned long arg)
6153 {
6154 	void __user *argp = (void __user *)arg;
6155 	struct hdspm *hdspm = hw->private_data;
6156 	struct hdspm_mixer_ioctl mixer;
6157 	struct hdspm_config info;
6158 	struct hdspm_status status;
6159 	struct hdspm_version hdspm_version;
6160 	struct hdspm_peak_rms *levels;
6161 	struct hdspm_ltc ltc;
6162 	unsigned int statusregister;
6163 	long unsigned int s;
6164 	int i = 0;
6165 
6166 	switch (cmd) {
6167 
6168 	case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
6169 		levels = &hdspm->peak_rms;
6170 		for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
6171 			levels->input_peaks[i] =
6172 				readl(hdspm->iobase +
6173 						HDSPM_MADI_INPUT_PEAK + i*4);
6174 			levels->playback_peaks[i] =
6175 				readl(hdspm->iobase +
6176 						HDSPM_MADI_PLAYBACK_PEAK + i*4);
6177 			levels->output_peaks[i] =
6178 				readl(hdspm->iobase +
6179 						HDSPM_MADI_OUTPUT_PEAK + i*4);
6180 
6181 			levels->input_rms[i] =
6182 				((uint64_t) readl(hdspm->iobase +
6183 					HDSPM_MADI_INPUT_RMS_H + i*4) << 32) |
6184 				(uint64_t) readl(hdspm->iobase +
6185 						HDSPM_MADI_INPUT_RMS_L + i*4);
6186 			levels->playback_rms[i] =
6187 				((uint64_t)readl(hdspm->iobase +
6188 					HDSPM_MADI_PLAYBACK_RMS_H+i*4) << 32) |
6189 				(uint64_t)readl(hdspm->iobase +
6190 					HDSPM_MADI_PLAYBACK_RMS_L + i*4);
6191 			levels->output_rms[i] =
6192 				((uint64_t)readl(hdspm->iobase +
6193 					HDSPM_MADI_OUTPUT_RMS_H + i*4) << 32) |
6194 				(uint64_t)readl(hdspm->iobase +
6195 						HDSPM_MADI_OUTPUT_RMS_L + i*4);
6196 		}
6197 
6198 		if (hdspm->system_sample_rate > 96000) {
6199 			levels->speed = qs;
6200 		} else if (hdspm->system_sample_rate > 48000) {
6201 			levels->speed = ds;
6202 		} else {
6203 			levels->speed = ss;
6204 		}
6205 		levels->status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
6206 
6207 		s = copy_to_user(argp, levels, sizeof(*levels));
6208 		if (0 != s) {
6209 			/* dev_err(hdspm->card->dev, "copy_to_user(.., .., %lu): %lu
6210 			 [Levels]\n", sizeof(struct hdspm_peak_rms), s);
6211 			 */
6212 			return -EFAULT;
6213 		}
6214 		break;
6215 
6216 	case SNDRV_HDSPM_IOCTL_GET_LTC:
6217 		ltc.ltc = hdspm_read(hdspm, HDSPM_RD_TCO);
6218 		i = hdspm_read(hdspm, HDSPM_RD_TCO + 4);
6219 		if (i & HDSPM_TCO1_LTC_Input_valid) {
6220 			switch (i & (HDSPM_TCO1_LTC_Format_LSB |
6221 				HDSPM_TCO1_LTC_Format_MSB)) {
6222 			case 0:
6223 				ltc.format = fps_24;
6224 				break;
6225 			case HDSPM_TCO1_LTC_Format_LSB:
6226 				ltc.format = fps_25;
6227 				break;
6228 			case HDSPM_TCO1_LTC_Format_MSB:
6229 				ltc.format = fps_2997;
6230 				break;
6231 			default:
6232 				ltc.format = fps_30;
6233 				break;
6234 			}
6235 			if (i & HDSPM_TCO1_set_drop_frame_flag) {
6236 				ltc.frame = drop_frame;
6237 			} else {
6238 				ltc.frame = full_frame;
6239 			}
6240 		} else {
6241 			ltc.format = format_invalid;
6242 			ltc.frame = frame_invalid;
6243 		}
6244 		if (i & HDSPM_TCO1_Video_Input_Format_NTSC) {
6245 			ltc.input_format = ntsc;
6246 		} else if (i & HDSPM_TCO1_Video_Input_Format_PAL) {
6247 			ltc.input_format = pal;
6248 		} else {
6249 			ltc.input_format = no_video;
6250 		}
6251 
6252 		s = copy_to_user(argp, &ltc, sizeof(ltc));
6253 		if (0 != s) {
6254 			/*
6255 			  dev_err(hdspm->card->dev, "copy_to_user(.., .., %lu): %lu [LTC]\n", sizeof(struct hdspm_ltc), s); */
6256 			return -EFAULT;
6257 		}
6258 
6259 		break;
6260 
6261 	case SNDRV_HDSPM_IOCTL_GET_CONFIG:
6262 
6263 		memset(&info, 0, sizeof(info));
6264 		spin_lock_irq(&hdspm->lock);
6265 		info.pref_sync_ref = hdspm_pref_sync_ref(hdspm);
6266 		info.wordclock_sync_check = hdspm_wc_sync_check(hdspm);
6267 
6268 		info.system_sample_rate = hdspm->system_sample_rate;
6269 		info.autosync_sample_rate =
6270 			hdspm_external_sample_rate(hdspm);
6271 		info.system_clock_mode = hdspm_system_clock_mode(hdspm);
6272 		info.clock_source = hdspm_clock_source(hdspm);
6273 		info.autosync_ref = hdspm_autosync_ref(hdspm);
6274 		info.line_out = hdspm_toggle_setting(hdspm, HDSPM_LineOut);
6275 		info.passthru = 0;
6276 		spin_unlock_irq(&hdspm->lock);
6277 		if (copy_to_user(argp, &info, sizeof(info)))
6278 			return -EFAULT;
6279 		break;
6280 
6281 	case SNDRV_HDSPM_IOCTL_GET_STATUS:
6282 		memset(&status, 0, sizeof(status));
6283 
6284 		status.card_type = hdspm->io_type;
6285 
6286 		status.autosync_source = hdspm_autosync_ref(hdspm);
6287 
6288 		status.card_clock = 110069313433624ULL;
6289 		status.master_period = hdspm_read(hdspm, HDSPM_RD_PLL_FREQ);
6290 
6291 		switch (hdspm->io_type) {
6292 		case MADI:
6293 		case MADIface:
6294 			status.card_specific.madi.sync_wc =
6295 				hdspm_wc_sync_check(hdspm);
6296 			status.card_specific.madi.sync_madi =
6297 				hdspm_madi_sync_check(hdspm);
6298 			status.card_specific.madi.sync_tco =
6299 				hdspm_tco_sync_check(hdspm);
6300 			status.card_specific.madi.sync_in =
6301 				hdspm_sync_in_sync_check(hdspm);
6302 
6303 			statusregister =
6304 				hdspm_read(hdspm, HDSPM_statusRegister);
6305 			status.card_specific.madi.madi_input =
6306 				(statusregister & HDSPM_AB_int) ? 1 : 0;
6307 			status.card_specific.madi.channel_format =
6308 				(statusregister & HDSPM_RX_64ch) ? 1 : 0;
6309 			/* TODO: Mac driver sets it when f_s>48kHz */
6310 			status.card_specific.madi.frame_format = 0;
6311 			break;
6312 
6313 		default:
6314 			break;
6315 		}
6316 
6317 		if (copy_to_user(argp, &status, sizeof(status)))
6318 			return -EFAULT;
6319 
6320 
6321 		break;
6322 
6323 	case SNDRV_HDSPM_IOCTL_GET_VERSION:
6324 		memset(&hdspm_version, 0, sizeof(hdspm_version));
6325 
6326 		hdspm_version.card_type = hdspm->io_type;
6327 		strscpy(hdspm_version.cardname, hdspm->card_name,
6328 				sizeof(hdspm_version.cardname));
6329 		hdspm_version.serial = hdspm->serial;
6330 		hdspm_version.firmware_rev = hdspm->firmware_rev;
6331 		hdspm_version.addons = 0;
6332 		if (hdspm->tco)
6333 			hdspm_version.addons |= HDSPM_ADDON_TCO;
6334 
6335 		if (copy_to_user(argp, &hdspm_version,
6336 					sizeof(hdspm_version)))
6337 			return -EFAULT;
6338 		break;
6339 
6340 	case SNDRV_HDSPM_IOCTL_GET_MIXER:
6341 		if (copy_from_user(&mixer, argp, sizeof(mixer)))
6342 			return -EFAULT;
6343 		if (copy_to_user((void __user *)mixer.mixer, hdspm->mixer,
6344 				 sizeof(*mixer.mixer)))
6345 			return -EFAULT;
6346 		break;
6347 
6348 	default:
6349 		return -EINVAL;
6350 	}
6351 	return 0;
6352 }
6353 
6354 static const struct snd_pcm_ops snd_hdspm_ops = {
6355 	.open = snd_hdspm_open,
6356 	.close = snd_hdspm_release,
6357 	.ioctl = snd_hdspm_ioctl,
6358 	.hw_params = snd_hdspm_hw_params,
6359 	.hw_free = snd_hdspm_hw_free,
6360 	.prepare = snd_hdspm_prepare,
6361 	.trigger = snd_hdspm_trigger,
6362 	.pointer = snd_hdspm_hw_pointer,
6363 };
6364 
6365 static int snd_hdspm_create_hwdep(struct snd_card *card,
6366 				  struct hdspm *hdspm)
6367 {
6368 	struct snd_hwdep *hw;
6369 	int err;
6370 
6371 	err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw);
6372 	if (err < 0)
6373 		return err;
6374 
6375 	hdspm->hwdep = hw;
6376 	hw->private_data = hdspm;
6377 	strcpy(hw->name, "HDSPM hwdep interface");
6378 
6379 	hw->ops.open = snd_hdspm_hwdep_dummy_op;
6380 	hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
6381 	hw->ops.ioctl_compat = snd_hdspm_hwdep_ioctl;
6382 	hw->ops.release = snd_hdspm_hwdep_dummy_op;
6383 
6384 	return 0;
6385 }
6386 
6387 
6388 /*------------------------------------------------------------
6389    memory interface
6390  ------------------------------------------------------------*/
6391 static int snd_hdspm_preallocate_memory(struct hdspm *hdspm)
6392 {
6393 	struct snd_pcm *pcm;
6394 	size_t wanted;
6395 
6396 	pcm = hdspm->pcm;
6397 
6398 	wanted = HDSPM_DMA_AREA_BYTES;
6399 
6400 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
6401 					      &hdspm->pci->dev,
6402 					      wanted, wanted);
6403 	dev_dbg(hdspm->card->dev, " Preallocated %zd Bytes\n", wanted);
6404 	return 0;
6405 }
6406 
6407 /* Inform the card what DMA addresses to use for the indicated channel. */
6408 /* Each channel got 16 4K pages allocated for DMA transfers. */
6409 static void hdspm_set_channel_dma_addr(struct hdspm *hdspm,
6410 				       struct snd_pcm_substream *substream,
6411 				       unsigned int reg, int channel)
6412 {
6413 	int i;
6414 
6415 	for (i = channel * 16; i < channel * 16 + 16; i++)
6416 		hdspm_write(hdspm, reg + 4 * i,
6417 			    snd_pcm_sgbuf_get_addr(substream, 4096 * i));
6418 }
6419 
6420 
6421 /* ------------- ALSA Devices ---------------------------- */
6422 static int snd_hdspm_create_pcm(struct snd_card *card,
6423 				struct hdspm *hdspm)
6424 {
6425 	struct snd_pcm *pcm;
6426 	int err;
6427 
6428 	err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm);
6429 	if (err < 0)
6430 		return err;
6431 
6432 	hdspm->pcm = pcm;
6433 	pcm->private_data = hdspm;
6434 	strcpy(pcm->name, hdspm->card_name);
6435 
6436 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
6437 			&snd_hdspm_ops);
6438 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
6439 			&snd_hdspm_ops);
6440 
6441 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
6442 
6443 	err = snd_hdspm_preallocate_memory(hdspm);
6444 	if (err < 0)
6445 		return err;
6446 
6447 	return 0;
6448 }
6449 
6450 static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm)
6451 {
6452 	int i;
6453 
6454 	for (i = 0; i < hdspm->midiPorts; i++)
6455 		snd_hdspm_flush_midi_input(hdspm, i);
6456 }
6457 
6458 static int snd_hdspm_create_alsa_devices(struct snd_card *card,
6459 					 struct hdspm *hdspm)
6460 {
6461 	int err, i;
6462 
6463 	dev_dbg(card->dev, "Create card...\n");
6464 	err = snd_hdspm_create_pcm(card, hdspm);
6465 	if (err < 0)
6466 		return err;
6467 
6468 	i = 0;
6469 	while (i < hdspm->midiPorts) {
6470 		err = snd_hdspm_create_midi(card, hdspm, i);
6471 		if (err < 0) {
6472 			return err;
6473 		}
6474 		i++;
6475 	}
6476 
6477 	err = snd_hdspm_create_controls(card, hdspm);
6478 	if (err < 0)
6479 		return err;
6480 
6481 	err = snd_hdspm_create_hwdep(card, hdspm);
6482 	if (err < 0)
6483 		return err;
6484 
6485 	dev_dbg(card->dev, "proc init...\n");
6486 	snd_hdspm_proc_init(hdspm);
6487 
6488 	hdspm->system_sample_rate = -1;
6489 	hdspm->last_external_sample_rate = -1;
6490 	hdspm->last_internal_sample_rate = -1;
6491 	hdspm->playback_pid = -1;
6492 	hdspm->capture_pid = -1;
6493 	hdspm->capture_substream = NULL;
6494 	hdspm->playback_substream = NULL;
6495 
6496 	dev_dbg(card->dev, "Set defaults...\n");
6497 	err = snd_hdspm_set_defaults(hdspm);
6498 	if (err < 0)
6499 		return err;
6500 
6501 	dev_dbg(card->dev, "Update mixer controls...\n");
6502 	hdspm_update_simple_mixer_controls(hdspm);
6503 
6504 	dev_dbg(card->dev, "Initializing complete?\n");
6505 
6506 	err = snd_card_register(card);
6507 	if (err < 0) {
6508 		dev_err(card->dev, "error registering card\n");
6509 		return err;
6510 	}
6511 
6512 	dev_dbg(card->dev, "... yes now\n");
6513 
6514 	return 0;
6515 }
6516 
6517 static int snd_hdspm_create(struct snd_card *card,
6518 			    struct hdspm *hdspm)
6519 {
6520 
6521 	struct pci_dev *pci = hdspm->pci;
6522 	int err;
6523 	unsigned long io_extent;
6524 
6525 	hdspm->irq = -1;
6526 	hdspm->card = card;
6527 
6528 	spin_lock_init(&hdspm->lock);
6529 	INIT_WORK(&hdspm->midi_work, hdspm_midi_work);
6530 
6531 	pci_read_config_word(hdspm->pci,
6532 			PCI_CLASS_REVISION, &hdspm->firmware_rev);
6533 
6534 	strcpy(card->mixername, "Xilinx FPGA");
6535 	strcpy(card->driver, "HDSPM");
6536 
6537 	switch (hdspm->firmware_rev) {
6538 	case HDSPM_RAYDAT_REV:
6539 		hdspm->io_type = RayDAT;
6540 		hdspm->card_name = "RME RayDAT";
6541 		hdspm->midiPorts = 2;
6542 		break;
6543 	case HDSPM_AIO_REV:
6544 		hdspm->io_type = AIO;
6545 		hdspm->card_name = "RME AIO";
6546 		hdspm->midiPorts = 1;
6547 		break;
6548 	case HDSPM_MADIFACE_REV:
6549 		hdspm->io_type = MADIface;
6550 		hdspm->card_name = "RME MADIface";
6551 		hdspm->midiPorts = 1;
6552 		break;
6553 	default:
6554 		if ((hdspm->firmware_rev == 0xf0) ||
6555 			((hdspm->firmware_rev >= 0xe6) &&
6556 					(hdspm->firmware_rev <= 0xea))) {
6557 			hdspm->io_type = AES32;
6558 			hdspm->card_name = "RME AES32";
6559 			hdspm->midiPorts = 2;
6560 		} else if ((hdspm->firmware_rev == 0xd2) ||
6561 			((hdspm->firmware_rev >= 0xc8)  &&
6562 				(hdspm->firmware_rev <= 0xcf))) {
6563 			hdspm->io_type = MADI;
6564 			hdspm->card_name = "RME MADI";
6565 			hdspm->midiPorts = 3;
6566 		} else {
6567 			dev_err(card->dev,
6568 				"unknown firmware revision %x\n",
6569 				hdspm->firmware_rev);
6570 			return -ENODEV;
6571 		}
6572 	}
6573 
6574 	err = pcim_enable_device(pci);
6575 	if (err < 0)
6576 		return err;
6577 
6578 	pci_set_master(hdspm->pci);
6579 
6580 	err = pcim_iomap_regions(pci, 1 << 0, "hdspm");
6581 	if (err < 0)
6582 		return err;
6583 
6584 	hdspm->port = pci_resource_start(pci, 0);
6585 	io_extent = pci_resource_len(pci, 0);
6586 	hdspm->iobase = pcim_iomap_table(pci)[0];
6587 	dev_dbg(card->dev, "remapped region (0x%lx) 0x%lx-0x%lx\n",
6588 			(unsigned long)hdspm->iobase, hdspm->port,
6589 			hdspm->port + io_extent - 1);
6590 
6591 	if (devm_request_irq(&pci->dev, pci->irq, snd_hdspm_interrupt,
6592 			     IRQF_SHARED, KBUILD_MODNAME, hdspm)) {
6593 		dev_err(card->dev, "unable to use IRQ %d\n", pci->irq);
6594 		return -EBUSY;
6595 	}
6596 
6597 	dev_dbg(card->dev, "use IRQ %d\n", pci->irq);
6598 
6599 	hdspm->irq = pci->irq;
6600 	card->sync_irq = hdspm->irq;
6601 
6602 	dev_dbg(card->dev, "kmalloc Mixer memory of %zd Bytes\n",
6603 		sizeof(*hdspm->mixer));
6604 	hdspm->mixer = devm_kzalloc(&pci->dev, sizeof(*hdspm->mixer), GFP_KERNEL);
6605 	if (!hdspm->mixer)
6606 		return -ENOMEM;
6607 
6608 	hdspm->port_names_in = NULL;
6609 	hdspm->port_names_out = NULL;
6610 
6611 	switch (hdspm->io_type) {
6612 	case AES32:
6613 		hdspm->ss_in_channels = hdspm->ss_out_channels = AES32_CHANNELS;
6614 		hdspm->ds_in_channels = hdspm->ds_out_channels = AES32_CHANNELS;
6615 		hdspm->qs_in_channels = hdspm->qs_out_channels = AES32_CHANNELS;
6616 
6617 		hdspm->channel_map_in_ss = hdspm->channel_map_out_ss =
6618 			channel_map_aes32;
6619 		hdspm->channel_map_in_ds = hdspm->channel_map_out_ds =
6620 			channel_map_aes32;
6621 		hdspm->channel_map_in_qs = hdspm->channel_map_out_qs =
6622 			channel_map_aes32;
6623 		hdspm->port_names_in_ss = hdspm->port_names_out_ss =
6624 			texts_ports_aes32;
6625 		hdspm->port_names_in_ds = hdspm->port_names_out_ds =
6626 			texts_ports_aes32;
6627 		hdspm->port_names_in_qs = hdspm->port_names_out_qs =
6628 			texts_ports_aes32;
6629 
6630 		hdspm->max_channels_out = hdspm->max_channels_in =
6631 			AES32_CHANNELS;
6632 		hdspm->port_names_in = hdspm->port_names_out =
6633 			texts_ports_aes32;
6634 		hdspm->channel_map_in = hdspm->channel_map_out =
6635 			channel_map_aes32;
6636 
6637 		break;
6638 
6639 	case MADI:
6640 	case MADIface:
6641 		hdspm->ss_in_channels = hdspm->ss_out_channels =
6642 			MADI_SS_CHANNELS;
6643 		hdspm->ds_in_channels = hdspm->ds_out_channels =
6644 			MADI_DS_CHANNELS;
6645 		hdspm->qs_in_channels = hdspm->qs_out_channels =
6646 			MADI_QS_CHANNELS;
6647 
6648 		hdspm->channel_map_in_ss = hdspm->channel_map_out_ss =
6649 			channel_map_unity_ss;
6650 		hdspm->channel_map_in_ds = hdspm->channel_map_out_ds =
6651 			channel_map_unity_ss;
6652 		hdspm->channel_map_in_qs = hdspm->channel_map_out_qs =
6653 			channel_map_unity_ss;
6654 
6655 		hdspm->port_names_in_ss = hdspm->port_names_out_ss =
6656 			texts_ports_madi;
6657 		hdspm->port_names_in_ds = hdspm->port_names_out_ds =
6658 			texts_ports_madi;
6659 		hdspm->port_names_in_qs = hdspm->port_names_out_qs =
6660 			texts_ports_madi;
6661 		break;
6662 
6663 	case AIO:
6664 		hdspm->ss_in_channels = AIO_IN_SS_CHANNELS;
6665 		hdspm->ds_in_channels = AIO_IN_DS_CHANNELS;
6666 		hdspm->qs_in_channels = AIO_IN_QS_CHANNELS;
6667 		hdspm->ss_out_channels = AIO_OUT_SS_CHANNELS;
6668 		hdspm->ds_out_channels = AIO_OUT_DS_CHANNELS;
6669 		hdspm->qs_out_channels = AIO_OUT_QS_CHANNELS;
6670 
6671 		if (0 == (hdspm_read(hdspm, HDSPM_statusRegister2) & HDSPM_s2_AEBI_D)) {
6672 			dev_info(card->dev, "AEB input board found\n");
6673 			hdspm->ss_in_channels += 4;
6674 			hdspm->ds_in_channels += 4;
6675 			hdspm->qs_in_channels += 4;
6676 		}
6677 
6678 		if (0 == (hdspm_read(hdspm, HDSPM_statusRegister2) & HDSPM_s2_AEBO_D)) {
6679 			dev_info(card->dev, "AEB output board found\n");
6680 			hdspm->ss_out_channels += 4;
6681 			hdspm->ds_out_channels += 4;
6682 			hdspm->qs_out_channels += 4;
6683 		}
6684 
6685 		hdspm->channel_map_out_ss = channel_map_aio_out_ss;
6686 		hdspm->channel_map_out_ds = channel_map_aio_out_ds;
6687 		hdspm->channel_map_out_qs = channel_map_aio_out_qs;
6688 
6689 		hdspm->channel_map_in_ss = channel_map_aio_in_ss;
6690 		hdspm->channel_map_in_ds = channel_map_aio_in_ds;
6691 		hdspm->channel_map_in_qs = channel_map_aio_in_qs;
6692 
6693 		hdspm->port_names_in_ss = texts_ports_aio_in_ss;
6694 		hdspm->port_names_out_ss = texts_ports_aio_out_ss;
6695 		hdspm->port_names_in_ds = texts_ports_aio_in_ds;
6696 		hdspm->port_names_out_ds = texts_ports_aio_out_ds;
6697 		hdspm->port_names_in_qs = texts_ports_aio_in_qs;
6698 		hdspm->port_names_out_qs = texts_ports_aio_out_qs;
6699 
6700 		break;
6701 
6702 	case RayDAT:
6703 		hdspm->ss_in_channels = hdspm->ss_out_channels =
6704 			RAYDAT_SS_CHANNELS;
6705 		hdspm->ds_in_channels = hdspm->ds_out_channels =
6706 			RAYDAT_DS_CHANNELS;
6707 		hdspm->qs_in_channels = hdspm->qs_out_channels =
6708 			RAYDAT_QS_CHANNELS;
6709 
6710 		hdspm->max_channels_in = RAYDAT_SS_CHANNELS;
6711 		hdspm->max_channels_out = RAYDAT_SS_CHANNELS;
6712 
6713 		hdspm->channel_map_in_ss = hdspm->channel_map_out_ss =
6714 			channel_map_raydat_ss;
6715 		hdspm->channel_map_in_ds = hdspm->channel_map_out_ds =
6716 			channel_map_raydat_ds;
6717 		hdspm->channel_map_in_qs = hdspm->channel_map_out_qs =
6718 			channel_map_raydat_qs;
6719 		hdspm->channel_map_in = hdspm->channel_map_out =
6720 			channel_map_raydat_ss;
6721 
6722 		hdspm->port_names_in_ss = hdspm->port_names_out_ss =
6723 			texts_ports_raydat_ss;
6724 		hdspm->port_names_in_ds = hdspm->port_names_out_ds =
6725 			texts_ports_raydat_ds;
6726 		hdspm->port_names_in_qs = hdspm->port_names_out_qs =
6727 			texts_ports_raydat_qs;
6728 
6729 
6730 		break;
6731 
6732 	}
6733 
6734 	/* TCO detection */
6735 	switch (hdspm->io_type) {
6736 	case AIO:
6737 	case RayDAT:
6738 		if (hdspm_read(hdspm, HDSPM_statusRegister2) &
6739 				HDSPM_s2_tco_detect) {
6740 			hdspm->midiPorts++;
6741 			hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
6742 			if (hdspm->tco)
6743 				hdspm_tco_write(hdspm);
6744 
6745 			dev_info(card->dev, "AIO/RayDAT TCO module found\n");
6746 		} else {
6747 			hdspm->tco = NULL;
6748 		}
6749 		break;
6750 
6751 	case MADI:
6752 	case AES32:
6753 		if (hdspm_read(hdspm, HDSPM_statusRegister) & HDSPM_tco_detect) {
6754 			hdspm->midiPorts++;
6755 			hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
6756 			if (hdspm->tco)
6757 				hdspm_tco_write(hdspm);
6758 
6759 			dev_info(card->dev, "MADI/AES TCO module found\n");
6760 		} else {
6761 			hdspm->tco = NULL;
6762 		}
6763 		break;
6764 
6765 	default:
6766 		hdspm->tco = NULL;
6767 	}
6768 
6769 	/* texts */
6770 	switch (hdspm->io_type) {
6771 	case AES32:
6772 		if (hdspm->tco) {
6773 			hdspm->texts_autosync = texts_autosync_aes_tco;
6774 			hdspm->texts_autosync_items =
6775 				ARRAY_SIZE(texts_autosync_aes_tco);
6776 		} else {
6777 			hdspm->texts_autosync = texts_autosync_aes;
6778 			hdspm->texts_autosync_items =
6779 				ARRAY_SIZE(texts_autosync_aes);
6780 		}
6781 		break;
6782 
6783 	case MADI:
6784 		if (hdspm->tco) {
6785 			hdspm->texts_autosync = texts_autosync_madi_tco;
6786 			hdspm->texts_autosync_items = 4;
6787 		} else {
6788 			hdspm->texts_autosync = texts_autosync_madi;
6789 			hdspm->texts_autosync_items = 3;
6790 		}
6791 		break;
6792 
6793 	case MADIface:
6794 
6795 		break;
6796 
6797 	case RayDAT:
6798 		if (hdspm->tco) {
6799 			hdspm->texts_autosync = texts_autosync_raydat_tco;
6800 			hdspm->texts_autosync_items = 9;
6801 		} else {
6802 			hdspm->texts_autosync = texts_autosync_raydat;
6803 			hdspm->texts_autosync_items = 8;
6804 		}
6805 		break;
6806 
6807 	case AIO:
6808 		if (hdspm->tco) {
6809 			hdspm->texts_autosync = texts_autosync_aio_tco;
6810 			hdspm->texts_autosync_items = 6;
6811 		} else {
6812 			hdspm->texts_autosync = texts_autosync_aio;
6813 			hdspm->texts_autosync_items = 5;
6814 		}
6815 		break;
6816 
6817 	}
6818 
6819 	if (hdspm->io_type != MADIface) {
6820 		hdspm->serial = (hdspm_read(hdspm,
6821 				HDSPM_midiStatusIn0)>>8) & 0xFFFFFF;
6822 		/* id contains either a user-provided value or the default
6823 		 * NULL. If it's the default, we're safe to
6824 		 * fill card->id with the serial number.
6825 		 *
6826 		 * If the serial number is 0xFFFFFF, then we're dealing with
6827 		 * an old PCI revision that comes without a sane number. In
6828 		 * this case, we don't set card->id to avoid collisions
6829 		 * when running with multiple cards.
6830 		 */
6831 		if (!id[hdspm->dev] && hdspm->serial != 0xFFFFFF) {
6832 			snprintf(card->id, sizeof(card->id),
6833 				 "HDSPMx%06x", hdspm->serial);
6834 			snd_card_set_id(card, card->id);
6835 		}
6836 	}
6837 
6838 	dev_dbg(card->dev, "create alsa devices.\n");
6839 	err = snd_hdspm_create_alsa_devices(card, hdspm);
6840 	if (err < 0)
6841 		return err;
6842 
6843 	snd_hdspm_initialize_midi_flush(hdspm);
6844 
6845 	return 0;
6846 }
6847 
6848 
6849 static void snd_hdspm_card_free(struct snd_card *card)
6850 {
6851 	struct hdspm *hdspm = card->private_data;
6852 
6853 	if (hdspm->port) {
6854 		cancel_work_sync(&hdspm->midi_work);
6855 
6856 		/* stop th audio, and cancel all interrupts */
6857 		hdspm->control_register &=
6858 		    ~(HDSPM_Start | HDSPM_AudioInterruptEnable |
6859 		      HDSPM_Midi0InterruptEnable | HDSPM_Midi1InterruptEnable |
6860 		      HDSPM_Midi2InterruptEnable | HDSPM_Midi3InterruptEnable);
6861 		hdspm_write(hdspm, HDSPM_controlRegister,
6862 			    hdspm->control_register);
6863 	}
6864 }
6865 
6866 
6867 static int snd_hdspm_probe(struct pci_dev *pci,
6868 			   const struct pci_device_id *pci_id)
6869 {
6870 	static int dev;
6871 	struct hdspm *hdspm;
6872 	struct snd_card *card;
6873 	int err;
6874 
6875 	if (dev >= SNDRV_CARDS)
6876 		return -ENODEV;
6877 	if (!enable[dev]) {
6878 		dev++;
6879 		return -ENOENT;
6880 	}
6881 
6882 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev],
6883 				THIS_MODULE, sizeof(*hdspm), &card);
6884 	if (err < 0)
6885 		return err;
6886 
6887 	hdspm = card->private_data;
6888 	card->private_free = snd_hdspm_card_free;
6889 	hdspm->dev = dev;
6890 	hdspm->pci = pci;
6891 
6892 	err = snd_hdspm_create(card, hdspm);
6893 	if (err < 0)
6894 		goto error;
6895 
6896 	if (hdspm->io_type != MADIface) {
6897 		snprintf(card->shortname, sizeof(card->shortname), "%s_%x",
6898 			hdspm->card_name, hdspm->serial);
6899 		snprintf(card->longname, sizeof(card->longname),
6900 			 "%s S/N 0x%x at 0x%lx, irq %d",
6901 			 hdspm->card_name, hdspm->serial,
6902 			 hdspm->port, hdspm->irq);
6903 	} else {
6904 		snprintf(card->shortname, sizeof(card->shortname), "%s",
6905 			 hdspm->card_name);
6906 		snprintf(card->longname, sizeof(card->longname),
6907 			 "%s at 0x%lx, irq %d",
6908 			 hdspm->card_name, hdspm->port, hdspm->irq);
6909 	}
6910 
6911 	err = snd_card_register(card);
6912 	if (err < 0)
6913 		goto error;
6914 
6915 	pci_set_drvdata(pci, card);
6916 
6917 	dev++;
6918 	return 0;
6919 
6920  error:
6921 	snd_card_free(card);
6922 	return err;
6923 }
6924 
6925 static struct pci_driver hdspm_driver = {
6926 	.name = KBUILD_MODNAME,
6927 	.id_table = snd_hdspm_ids,
6928 	.probe = snd_hdspm_probe,
6929 };
6930 
6931 module_pci_driver(hdspm_driver);
6932