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mm-only debug patch...
[mmotm.git] / sound / pci / rme9652 / hdspm.c
blob0dce331a2a3b105e565e7deaa315fdb39c575d4d
1 /*
2 * ALSA driver for RME Hammerfall DSP MADI audio interface(s)
3 *
4 * Copyright (c) 2003 Winfried Ritsch (IEM)
5 * code based on hdsp.c Paul Davis
6 * Marcus Andersson
7 * Thomas Charbonnel
8 * Modified 2006-06-01 for AES32 support by Remy Bruno
9 * <remy.bruno@trinnov.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 */
26 #include <linux/init.h>
27 #include <linux/delay.h>
28 #include <linux/interrupt.h>
29 #include <linux/moduleparam.h>
30 #include <linux/slab.h>
31 #include <linux/pci.h>
32 #include <linux/math64.h>
33 #include <asm/io.h>
34
35 #include <sound/core.h>
36 #include <sound/control.h>
37 #include <sound/pcm.h>
38 #include <sound/info.h>
39 #include <sound/asoundef.h>
40 #include <sound/rawmidi.h>
41 #include <sound/hwdep.h>
42 #include <sound/initval.h>
43
44 #include <sound/hdspm.h>
45
46 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
47 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
48 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
49
50 /* Disable precise pointer at start */
51 static int precise_ptr[SNDRV_CARDS];
52
53 /* Send all playback to line outs */
54 static int line_outs_monitor[SNDRV_CARDS];
55
56 /* Enable Analog Outs on Channel 63/64 by default */
57 static int enable_monitor[SNDRV_CARDS];
58
59 module_param_array(index, int, NULL, 0444);
60 MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");
61
62 module_param_array(id, charp, NULL, 0444);
63 MODULE_PARM_DESC(id, "ID string for RME HDSPM interface.");
64
65 module_param_array(enable, bool, NULL, 0444);
66 MODULE_PARM_DESC(enable, "Enable/disable specific HDSPM soundcards.");
67
68 module_param_array(precise_ptr, bool, NULL, 0444);
69 MODULE_PARM_DESC(precise_ptr, "Enable or disable precise pointer.");
70
71 module_param_array(line_outs_monitor, bool, NULL, 0444);
72 MODULE_PARM_DESC(line_outs_monitor,
73 "Send playback streams to analog outs by default.");
74
75 module_param_array(enable_monitor, bool, NULL, 0444);
76 MODULE_PARM_DESC(enable_monitor,
77 "Enable Analog Out on Channel 63/64 by default.");
78
79 MODULE_AUTHOR
80 ("Winfried Ritsch <ritsch_AT_iem.at>, "
81 "Paul Davis <paul@linuxaudiosystems.com>, "
82 "Marcus Andersson, Thomas Charbonnel <thomas@undata.org>, "
83 "Remy Bruno <remy.bruno@trinnov.com>");
84 MODULE_DESCRIPTION("RME HDSPM");
85 MODULE_LICENSE("GPL");
86 MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");
87
88 /* --- Write registers. ---
89 These are defined as byte-offsets from the iobase value. */
90
91 #define HDSPM_controlRegister 64
92 #define HDSPM_interruptConfirmation 96
93 #define HDSPM_control2Reg 256 /* not in specs ???????? */
94 #define HDSPM_freqReg 256 /* for AES32 */
95 #define HDSPM_midiDataOut0 352 /* just believe in old code */
96 #define HDSPM_midiDataOut1 356
97 #define HDSPM_eeprom_wr 384 /* for AES32 */
98
99 /* DMA enable for 64 channels, only Bit 0 is relevant */
100 #define HDSPM_outputEnableBase 512 /* 512-767 input DMA */
101 #define HDSPM_inputEnableBase 768 /* 768-1023 output DMA */
102
103 /* 16 page addresses for each of the 64 channels DMA buffer in and out
104 (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
105 #define HDSPM_pageAddressBufferOut 8192
106 #define HDSPM_pageAddressBufferIn (HDSPM_pageAddressBufferOut+64*16*4)
107
108 #define HDSPM_MADI_mixerBase 32768 /* 32768-65535 for 2x64x64 Fader */
109
110 #define HDSPM_MATRIX_MIXER_SIZE 8192 /* = 2*64*64 * 4 Byte => 32kB */
111
112 /* --- Read registers. ---
113 These are defined as byte-offsets from the iobase value */
114 #define HDSPM_statusRegister 0
115 /*#define HDSPM_statusRegister2 96 */
116 /* after RME Windows driver sources, status2 is 4-byte word # 48 = word at
117 * offset 192, for AES32 *and* MADI
118 * => need to check that offset 192 is working on MADI */
119 #define HDSPM_statusRegister2 192
120 #define HDSPM_timecodeRegister 128
121
122 #define HDSPM_midiDataIn0 360
123 #define HDSPM_midiDataIn1 364
124
125 /* status is data bytes in MIDI-FIFO (0-128) */
126 #define HDSPM_midiStatusOut0 384
127 #define HDSPM_midiStatusOut1 388
128 #define HDSPM_midiStatusIn0 392
129 #define HDSPM_midiStatusIn1 396
130
131
132 /* the meters are regular i/o-mapped registers, but offset
133 considerably from the rest. the peak registers are reset
134 when read; the least-significant 4 bits are full-scale counters;
135 the actual peak value is in the most-significant 24 bits.
136 */
137 #define HDSPM_MADI_peakrmsbase 4096 /* 4096-8191 2x64x32Bit Meters */
138
139 /* --- Control Register bits --------- */
140 #define HDSPM_Start (1<<0) /* start engine */
141
142 #define HDSPM_Latency0 (1<<1) /* buffer size = 2^n */
143 #define HDSPM_Latency1 (1<<2) /* where n is defined */
144 #define HDSPM_Latency2 (1<<3) /* by Latency{2,1,0} */
145
146 #define HDSPM_ClockModeMaster (1<<4) /* 1=Master, 0=Slave/Autosync */
147
148 #define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */
149
150 #define HDSPM_Frequency0 (1<<6) /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
151 #define HDSPM_Frequency1 (1<<7) /* 0=32kHz/64kHz */
152 #define HDSPM_DoubleSpeed (1<<8) /* 0=normal speed, 1=double speed */
153 #define HDSPM_QuadSpeed (1<<31) /* quad speed bit */
154
155 #define HDSPM_Professional (1<<9) /* Professional */ /* AES32 ONLY */
156 #define HDSPM_TX_64ch (1<<10) /* Output 64channel MODE=1,
157 56channelMODE=0 */ /* MADI ONLY*/
158 #define HDSPM_Emphasis (1<<10) /* Emphasis */ /* AES32 ONLY */
159
160 #define HDSPM_AutoInp (1<<11) /* Auto Input (takeover) == Safe Mode,
161 0=off, 1=on */ /* MADI ONLY */
162 #define HDSPM_Dolby (1<<11) /* Dolby = "NonAudio" ?? */ /* AES32 ONLY */
163
164 #define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax
165 * -- MADI ONLY
166 */
167 #define HDSPM_InputSelect1 (1<<15) /* should be 0 */
168
169 #define HDSPM_SyncRef0 (1<<16) /* 0=WOrd, 1=MADI */
170 #define HDSPM_SyncRef1 (1<<17) /* for AES32: SyncRefN codes the AES # */
171 #define HDSPM_SyncRef2 (1<<13)
172 #define HDSPM_SyncRef3 (1<<25)
173
174 #define HDSPM_SMUX (1<<18) /* Frame ??? */ /* MADI ONY */
175 #define HDSPM_clr_tms (1<<19) /* clear track marker, do not use
176 AES additional bits in
177 lower 5 Audiodatabits ??? */
178 #define HDSPM_taxi_reset (1<<20) /* ??? */ /* MADI ONLY ? */
179 #define HDSPM_WCK48 (1<<20) /* Frame ??? = HDSPM_SMUX */ /* AES32 ONLY */
180
181 #define HDSPM_Midi0InterruptEnable (1<<22)
182 #define HDSPM_Midi1InterruptEnable (1<<23)
183
184 #define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */
185
186 #define HDSPM_DS_DoubleWire (1<<26) /* AES32 ONLY */
187 #define HDSPM_QS_DoubleWire (1<<27) /* AES32 ONLY */
188 #define HDSPM_QS_QuadWire (1<<28) /* AES32 ONLY */
189
190 #define HDSPM_wclk_sel (1<<30)
191
192 /* --- bit helper defines */
193 #define HDSPM_LatencyMask (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
194 #define HDSPM_FrequencyMask (HDSPM_Frequency0|HDSPM_Frequency1|\
195 HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
196 #define HDSPM_InputMask (HDSPM_InputSelect0|HDSPM_InputSelect1)
197 #define HDSPM_InputOptical 0
198 #define HDSPM_InputCoaxial (HDSPM_InputSelect0)
199 #define HDSPM_SyncRefMask (HDSPM_SyncRef0|HDSPM_SyncRef1|\
200 HDSPM_SyncRef2|HDSPM_SyncRef3)
201 #define HDSPM_SyncRef_Word 0
202 #define HDSPM_SyncRef_MADI (HDSPM_SyncRef0)
203
204 #define HDSPM_SYNC_FROM_WORD 0 /* Preferred sync reference */
205 #define HDSPM_SYNC_FROM_MADI 1 /* choices - used by "pref_sync_ref" */
206
207 #define HDSPM_Frequency32KHz HDSPM_Frequency0
208 #define HDSPM_Frequency44_1KHz HDSPM_Frequency1
209 #define HDSPM_Frequency48KHz (HDSPM_Frequency1|HDSPM_Frequency0)
210 #define HDSPM_Frequency64KHz (HDSPM_DoubleSpeed|HDSPM_Frequency0)
211 #define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
212 #define HDSPM_Frequency96KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1|\
213 HDSPM_Frequency0)
214 #define HDSPM_Frequency128KHz (HDSPM_QuadSpeed|HDSPM_Frequency0)
215 #define HDSPM_Frequency176_4KHz (HDSPM_QuadSpeed|HDSPM_Frequency1)
216 #define HDSPM_Frequency192KHz (HDSPM_QuadSpeed|HDSPM_Frequency1|\
217 HDSPM_Frequency0)
218
219 /* --- for internal discrimination */
220 #define HDSPM_CLOCK_SOURCE_AUTOSYNC 0 /* Sample Clock Sources */
221 #define HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ 1
222 #define HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ 2
223 #define HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ 3
224 #define HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ 4
225 #define HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ 5
226 #define HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ 6
227 #define HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ 7
228 #define HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ 8
229 #define HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ 9
230
231 /* Synccheck Status */
232 #define HDSPM_SYNC_CHECK_NO_LOCK 0
233 #define HDSPM_SYNC_CHECK_LOCK 1
234 #define HDSPM_SYNC_CHECK_SYNC 2
235
236 /* AutoSync References - used by "autosync_ref" control switch */
237 #define HDSPM_AUTOSYNC_FROM_WORD 0
238 #define HDSPM_AUTOSYNC_FROM_MADI 1
239 #define HDSPM_AUTOSYNC_FROM_NONE 2
240
241 /* Possible sources of MADI input */
242 #define HDSPM_OPTICAL 0 /* optical */
243 #define HDSPM_COAXIAL 1 /* BNC */
244
245 #define hdspm_encode_latency(x) (((x)<<1) & HDSPM_LatencyMask)
246 #define hdspm_decode_latency(x) (((x) & HDSPM_LatencyMask)>>1)
247
248 #define hdspm_encode_in(x) (((x)&0x3)<<14)
249 #define hdspm_decode_in(x) (((x)>>14)&0x3)
250
251 /* --- control2 register bits --- */
252 #define HDSPM_TMS (1<<0)
253 #define HDSPM_TCK (1<<1)
254 #define HDSPM_TDI (1<<2)
255 #define HDSPM_JTAG (1<<3)
256 #define HDSPM_PWDN (1<<4)
257 #define HDSPM_PROGRAM (1<<5)
258 #define HDSPM_CONFIG_MODE_0 (1<<6)
259 #define HDSPM_CONFIG_MODE_1 (1<<7)
260 /*#define HDSPM_VERSION_BIT (1<<8) not defined any more*/
261 #define HDSPM_BIGENDIAN_MODE (1<<9)
262 #define HDSPM_RD_MULTIPLE (1<<10)
263
264 /* --- Status Register bits --- */ /* MADI ONLY */ /* Bits defined here and
265 that do not conflict with specific bits for AES32 seem to be valid also
266 for the AES32
267 */
268 #define HDSPM_audioIRQPending (1<<0) /* IRQ is high and pending */
269 #define HDSPM_RX_64ch (1<<1) /* Input 64chan. MODE=1, 56chn MODE=0 */
270 #define HDSPM_AB_int (1<<2) /* InputChannel Opt=0, Coax=1
271 * (like inp0)
272 */
273 #define HDSPM_madiLock (1<<3) /* MADI Locked =1, no=0 */
274
275 #define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
276 /* since 64byte accurate last 6 bits
277 are not used */
278
279 #define HDSPM_madiSync (1<<18) /* MADI is in sync */
280 #define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */
281
282 #define HDSPM_madiFreq0 (1<<22) /* system freq 0=error */
283 #define HDSPM_madiFreq1 (1<<23) /* 1=32, 2=44.1 3=48 */
284 #define HDSPM_madiFreq2 (1<<24) /* 4=64, 5=88.2 6=96 */
285 #define HDSPM_madiFreq3 (1<<25) /* 7=128, 8=176.4 9=192 */
286
287 #define HDSPM_BufferID (1<<26) /* (Double)Buffer ID toggles with
288 * Interrupt
289 */
290 #define HDSPM_midi0IRQPending (1<<30) /* MIDI IRQ is pending */
291 #define HDSPM_midi1IRQPending (1<<31) /* and aktiv */
292
293 /* --- status bit helpers */
294 #define HDSPM_madiFreqMask (HDSPM_madiFreq0|HDSPM_madiFreq1|\
295 HDSPM_madiFreq2|HDSPM_madiFreq3)
296 #define HDSPM_madiFreq32 (HDSPM_madiFreq0)
297 #define HDSPM_madiFreq44_1 (HDSPM_madiFreq1)
298 #define HDSPM_madiFreq48 (HDSPM_madiFreq0|HDSPM_madiFreq1)
299 #define HDSPM_madiFreq64 (HDSPM_madiFreq2)
300 #define HDSPM_madiFreq88_2 (HDSPM_madiFreq0|HDSPM_madiFreq2)
301 #define HDSPM_madiFreq96 (HDSPM_madiFreq1|HDSPM_madiFreq2)
302 #define HDSPM_madiFreq128 (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
303 #define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
304 #define HDSPM_madiFreq192 (HDSPM_madiFreq3|HDSPM_madiFreq0)
305
306 /* Status2 Register bits */ /* MADI ONLY */
307
308 #define HDSPM_version0 (1<<0) /* not realy defined but I guess */
309 #define HDSPM_version1 (1<<1) /* in former cards it was ??? */
310 #define HDSPM_version2 (1<<2)
311
312 #define HDSPM_wcLock (1<<3) /* Wordclock is detected and locked */
313 #define HDSPM_wcSync (1<<4) /* Wordclock is in sync with systemclock */
314
315 #define HDSPM_wc_freq0 (1<<5) /* input freq detected via autosync */
316 #define HDSPM_wc_freq1 (1<<6) /* 001=32, 010==44.1, 011=48, */
317 #define HDSPM_wc_freq2 (1<<7) /* 100=64, 101=88.2, 110=96, */
318 /* missing Bit for 111=128, 1000=176.4, 1001=192 */
319
320 #define HDSPM_SelSyncRef0 (1<<8) /* Sync Source in slave mode */
321 #define HDSPM_SelSyncRef1 (1<<9) /* 000=word, 001=MADI, */
322 #define HDSPM_SelSyncRef2 (1<<10) /* 111=no valid signal */
323
324 #define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)
325
326 #define HDSPM_wcFreqMask (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
327 #define HDSPM_wcFreq32 (HDSPM_wc_freq0)
328 #define HDSPM_wcFreq44_1 (HDSPM_wc_freq1)
329 #define HDSPM_wcFreq48 (HDSPM_wc_freq0|HDSPM_wc_freq1)
330 #define HDSPM_wcFreq64 (HDSPM_wc_freq2)
331 #define HDSPM_wcFreq88_2 (HDSPM_wc_freq0|HDSPM_wc_freq2)
332 #define HDSPM_wcFreq96 (HDSPM_wc_freq1|HDSPM_wc_freq2)
333
334
335 #define HDSPM_SelSyncRefMask (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
336 HDSPM_SelSyncRef2)
337 #define HDSPM_SelSyncRef_WORD 0
338 #define HDSPM_SelSyncRef_MADI (HDSPM_SelSyncRef0)
339 #define HDSPM_SelSyncRef_NVALID (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
340 HDSPM_SelSyncRef2)
341
342 /*
343 For AES32, bits for status, status2 and timecode are different
344 */
345 /* status */
346 #define HDSPM_AES32_wcLock 0x0200000
347 #define HDSPM_AES32_wcFreq_bit 22
348 /* (status >> HDSPM_AES32_wcFreq_bit) & 0xF gives WC frequency (cf function
349 HDSPM_bit2freq */
350 #define HDSPM_AES32_syncref_bit 16
351 /* (status >> HDSPM_AES32_syncref_bit) & 0xF gives sync source */
352
353 #define HDSPM_AES32_AUTOSYNC_FROM_WORD 0
354 #define HDSPM_AES32_AUTOSYNC_FROM_AES1 1
355 #define HDSPM_AES32_AUTOSYNC_FROM_AES2 2
356 #define HDSPM_AES32_AUTOSYNC_FROM_AES3 3
357 #define HDSPM_AES32_AUTOSYNC_FROM_AES4 4
358 #define HDSPM_AES32_AUTOSYNC_FROM_AES5 5
359 #define HDSPM_AES32_AUTOSYNC_FROM_AES6 6
360 #define HDSPM_AES32_AUTOSYNC_FROM_AES7 7
361 #define HDSPM_AES32_AUTOSYNC_FROM_AES8 8
362 #define HDSPM_AES32_AUTOSYNC_FROM_NONE 9
363
364 /* status2 */
365 /* HDSPM_LockAES_bit is given by HDSPM_LockAES >> (AES# - 1) */
366 #define HDSPM_LockAES 0x80
367 #define HDSPM_LockAES1 0x80
368 #define HDSPM_LockAES2 0x40
369 #define HDSPM_LockAES3 0x20
370 #define HDSPM_LockAES4 0x10
371 #define HDSPM_LockAES5 0x8
372 #define HDSPM_LockAES6 0x4
373 #define HDSPM_LockAES7 0x2
374 #define HDSPM_LockAES8 0x1
375 /*
376 Timecode
377 After windows driver sources, bits 4*i to 4*i+3 give the input frequency on
378 AES i+1
379 bits 3210
380 0001 32kHz
381 0010 44.1kHz
382 0011 48kHz
383 0100 64kHz
384 0101 88.2kHz
385 0110 96kHz
386 0111 128kHz
387 1000 176.4kHz
388 1001 192kHz
389 NB: Timecode register doesn't seem to work on AES32 card revision 230
390 */
391
392 /* Mixer Values */
393 #define UNITY_GAIN 32768 /* = 65536/2 */
394 #define MINUS_INFINITY_GAIN 0
395
396 /* Number of channels for different Speed Modes */
397 #define MADI_SS_CHANNELS 64
398 #define MADI_DS_CHANNELS 32
399 #define MADI_QS_CHANNELS 16
400
401 /* the size of a substream (1 mono data stream) */
402 #define HDSPM_CHANNEL_BUFFER_SAMPLES (16*1024)
403 #define HDSPM_CHANNEL_BUFFER_BYTES (4*HDSPM_CHANNEL_BUFFER_SAMPLES)
404
405 /* the size of the area we need to allocate for DMA transfers. the
406 size is the same regardless of the number of channels, and
407 also the latency to use.
408 for one direction !!!
409 */
410 #define HDSPM_DMA_AREA_BYTES (HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
411 #define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)
412
413 /* revisions >= 230 indicate AES32 card */
414 #define HDSPM_AESREVISION 230
415
416 /* speed factor modes */
417 #define HDSPM_SPEED_SINGLE 0
418 #define HDSPM_SPEED_DOUBLE 1
419 #define HDSPM_SPEED_QUAD 2
420 /* names for speed modes */
421 static char *hdspm_speed_names[] = { "single", "double", "quad" };
422
423 struct hdspm_midi {
424 struct hdspm *hdspm;
425 int id;
426 struct snd_rawmidi *rmidi;
427 struct snd_rawmidi_substream *input;
428 struct snd_rawmidi_substream *output;
429 char istimer; /* timer in use */
430 struct timer_list timer;
431 spinlock_t lock;
432 int pending;
433 };
434
435 struct hdspm {
436 spinlock_t lock;
437 /* only one playback and/or capture stream */
438 struct snd_pcm_substream *capture_substream;
439 struct snd_pcm_substream *playback_substream;
440
441 char *card_name; /* for procinfo */
442 unsigned short firmware_rev; /* dont know if relevant (yes if AES32)*/
443
444 unsigned char is_aes32; /* indicates if card is AES32 */
445
446 int precise_ptr; /* use precise pointers, to be tested */
447 int monitor_outs; /* set up monitoring outs init flag */
448
449 u32 control_register; /* cached value */
450 u32 control2_register; /* cached value */
451
452 struct hdspm_midi midi[2];
453 struct tasklet_struct midi_tasklet;
454
455 size_t period_bytes;
456 unsigned char ss_channels; /* channels of card in single speed */
457 unsigned char ds_channels; /* Double Speed */
458 unsigned char qs_channels; /* Quad Speed */
459
460 unsigned char *playback_buffer; /* suitably aligned address */
461 unsigned char *capture_buffer; /* suitably aligned address */
462
463 pid_t capture_pid; /* process id which uses capture */
464 pid_t playback_pid; /* process id which uses capture */
465 int running; /* running status */
466
467 int last_external_sample_rate; /* samplerate mystic ... */
468 int last_internal_sample_rate;
469 int system_sample_rate;
470
471 char *channel_map; /* channel map for DS and Quadspeed */
472
473 int dev; /* Hardware vars... */
474 int irq;
475 unsigned long port;
476 void __iomem *iobase;
477
478 int irq_count; /* for debug */
479
480 struct snd_card *card; /* one card */
481 struct snd_pcm *pcm; /* has one pcm */
482 struct snd_hwdep *hwdep; /* and a hwdep for additional ioctl */
483 struct pci_dev *pci; /* and an pci info */
484
485 /* Mixer vars */
486 /* fast alsa mixer */
487 struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
488 /* but input to much, so not used */
489 struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];
490 /* full mixer accessable over mixer ioctl or hwdep-device */
491 struct hdspm_mixer *mixer;
492
493 };
494
495 /* These tables map the ALSA channels 1..N to the channels that we
496 need to use in order to find the relevant channel buffer. RME
497 refer to this kind of mapping as between "the ADAT channel and
498 the DMA channel." We index it using the logical audio channel,
499 and the value is the DMA channel (i.e. channel buffer number)
500 where the data for that channel can be read/written from/to.
501 */
502
503 static char channel_map_madi_ss[HDSPM_MAX_CHANNELS] = {
504 0, 1, 2, 3, 4, 5, 6, 7,
505 8, 9, 10, 11, 12, 13, 14, 15,
506 16, 17, 18, 19, 20, 21, 22, 23,
507 24, 25, 26, 27, 28, 29, 30, 31,
508 32, 33, 34, 35, 36, 37, 38, 39,
509 40, 41, 42, 43, 44, 45, 46, 47,
510 48, 49, 50, 51, 52, 53, 54, 55,
511 56, 57, 58, 59, 60, 61, 62, 63
512 };
513
514
515 static struct pci_device_id snd_hdspm_ids[] __devinitdata = {
516 {
517 .vendor = PCI_VENDOR_ID_XILINX,
518 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
519 .subvendor = PCI_ANY_ID,
520 .subdevice = PCI_ANY_ID,
521 .class = 0,
522 .class_mask = 0,
523 .driver_data = 0},
524 {0,}
525 };
526
527 MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);
528
529 /* prototypes */
530 static int __devinit snd_hdspm_create_alsa_devices(struct snd_card *card,
531 struct hdspm * hdspm);
532 static int __devinit snd_hdspm_create_pcm(struct snd_card *card,
533 struct hdspm * hdspm);
534
535 static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm);
536 static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm);
537 static int hdspm_autosync_ref(struct hdspm * hdspm);
538 static int snd_hdspm_set_defaults(struct hdspm * hdspm);
539 static void hdspm_set_sgbuf(struct hdspm * hdspm,
540 struct snd_pcm_substream *substream,
541 unsigned int reg, int channels);
542
543 static inline int HDSPM_bit2freq(int n)
544 {
545 static const int bit2freq_tab[] = {
546 0, 32000, 44100, 48000, 64000, 88200,
547 96000, 128000, 176400, 192000 };
548 if (n < 1 || n > 9)
549 return 0;
550 return bit2freq_tab[n];
551 }
552
553 /* Write/read to/from HDSPM with Adresses in Bytes
554 not words but only 32Bit writes are allowed */
555
556 static inline void hdspm_write(struct hdspm * hdspm, unsigned int reg,
557 unsigned int val)
558 {
559 writel(val, hdspm->iobase + reg);
560 }
561
562 static inline unsigned int hdspm_read(struct hdspm * hdspm, unsigned int reg)
563 {
564 return readl(hdspm->iobase + reg);
565 }
566
567 /* for each output channel (chan) I have an Input (in) and Playback (pb) Fader
568 mixer is write only on hardware so we have to cache him for read
569 each fader is a u32, but uses only the first 16 bit */
570
571 static inline int hdspm_read_in_gain(struct hdspm * hdspm, unsigned int chan,
572 unsigned int in)
573 {
574 if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
575 return 0;
576
577 return hdspm->mixer->ch[chan].in[in];
578 }
579
580 static inline int hdspm_read_pb_gain(struct hdspm * hdspm, unsigned int chan,
581 unsigned int pb)
582 {
583 if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
584 return 0;
585 return hdspm->mixer->ch[chan].pb[pb];
586 }
587
588 static int hdspm_write_in_gain(struct hdspm *hdspm, unsigned int chan,
589 unsigned int in, unsigned short data)
590 {
591 if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
592 return -1;
593
594 hdspm_write(hdspm,
595 HDSPM_MADI_mixerBase +
596 ((in + 128 * chan) * sizeof(u32)),
597 (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
598 return 0;
599 }
600
601 static int hdspm_write_pb_gain(struct hdspm *hdspm, unsigned int chan,
602 unsigned int pb, unsigned short data)
603 {
604 if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
605 return -1;
606
607 hdspm_write(hdspm,
608 HDSPM_MADI_mixerBase +
609 ((64 + pb + 128 * chan) * sizeof(u32)),
610 (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
611 return 0;
612 }
613
614
615 /* enable DMA for specific channels, now available for DSP-MADI */
616 static inline void snd_hdspm_enable_in(struct hdspm * hdspm, int i, int v)
617 {
618 hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
619 }
620
621 static inline void snd_hdspm_enable_out(struct hdspm * hdspm, int i, int v)
622 {
623 hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
624 }
625
626 /* check if same process is writing and reading */
627 static int snd_hdspm_use_is_exclusive(struct hdspm *hdspm)
628 {
629 unsigned long flags;
630 int ret = 1;
631
632 spin_lock_irqsave(&hdspm->lock, flags);
633 if ((hdspm->playback_pid != hdspm->capture_pid) &&
634 (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
635 ret = 0;
636 }
637 spin_unlock_irqrestore(&hdspm->lock, flags);
638 return ret;
639 }
640
641 /* check for external sample rate */
642 static int hdspm_external_sample_rate(struct hdspm *hdspm)
643 {
644 if (hdspm->is_aes32) {
645 unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
646 unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
647 unsigned int timecode =
648 hdspm_read(hdspm, HDSPM_timecodeRegister);
649
650 int syncref = hdspm_autosync_ref(hdspm);
651
652 if (syncref == HDSPM_AES32_AUTOSYNC_FROM_WORD &&
653 status & HDSPM_AES32_wcLock)
654 return HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit)
655 & 0xF);
656 if (syncref >= HDSPM_AES32_AUTOSYNC_FROM_AES1 &&
657 syncref <= HDSPM_AES32_AUTOSYNC_FROM_AES8 &&
658 status2 & (HDSPM_LockAES >>
659 (syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1)))
660 return HDSPM_bit2freq((timecode >>
661 (4*(syncref-HDSPM_AES32_AUTOSYNC_FROM_AES1))) & 0xF);
662 return 0;
663 } else {
664 unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
665 unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
666 unsigned int rate_bits;
667 int rate = 0;
668
669 /* if wordclock has synced freq and wordclock is valid */
670 if ((status2 & HDSPM_wcLock) != 0 &&
671 (status & HDSPM_SelSyncRef0) == 0) {
672
673 rate_bits = status2 & HDSPM_wcFreqMask;
674
675 switch (rate_bits) {
676 case HDSPM_wcFreq32:
677 rate = 32000;
678 break;
679 case HDSPM_wcFreq44_1:
680 rate = 44100;
681 break;
682 case HDSPM_wcFreq48:
683 rate = 48000;
684 break;
685 case HDSPM_wcFreq64:
686 rate = 64000;
687 break;
688 case HDSPM_wcFreq88_2:
689 rate = 88200;
690 break;
691 case HDSPM_wcFreq96:
692 rate = 96000;
693 break;
694 /* Quadspeed Bit missing ???? */
695 default:
696 rate = 0;
697 break;
698 }
699 }
700
701 /* if rate detected and Syncref is Word than have it,
702 * word has priority to MADI
703 */
704 if (rate != 0 &&
705 (status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
706 return rate;
707
708 /* maby a madi input (which is taken if sel sync is madi) */
709 if (status & HDSPM_madiLock) {
710 rate_bits = status & HDSPM_madiFreqMask;
711
712 switch (rate_bits) {
713 case HDSPM_madiFreq32:
714 rate = 32000;
715 break;
716 case HDSPM_madiFreq44_1:
717 rate = 44100;
718 break;
719 case HDSPM_madiFreq48:
720 rate = 48000;
721 break;
722 case HDSPM_madiFreq64:
723 rate = 64000;
724 break;
725 case HDSPM_madiFreq88_2:
726 rate = 88200;
727 break;
728 case HDSPM_madiFreq96:
729 rate = 96000;
730 break;
731 case HDSPM_madiFreq128:
732 rate = 128000;
733 break;
734 case HDSPM_madiFreq176_4:
735 rate = 176400;
736 break;
737 case HDSPM_madiFreq192:
738 rate = 192000;
739 break;
740 default:
741 rate = 0;
742 break;
743 }
744 }
745 return rate;
746 }
747 }
748
749 /* Latency function */
750 static inline void hdspm_compute_period_size(struct hdspm * hdspm)
751 {
752 hdspm->period_bytes =
753 1 << ((hdspm_decode_latency(hdspm->control_register) + 8));
754 }
755
756 static snd_pcm_uframes_t hdspm_hw_pointer(struct hdspm * hdspm)
757 {
758 int position;
759
760 position = hdspm_read(hdspm, HDSPM_statusRegister);
761
762 if (!hdspm->precise_ptr)
763 return (position & HDSPM_BufferID) ?
764 (hdspm->period_bytes / 4) : 0;
765
766 /* hwpointer comes in bytes and is 64Bytes accurate (by docu since
767 PCI Burst)
768 i have experimented that it is at most 64 Byte to much for playing
769 so substraction of 64 byte should be ok for ALSA, but use it only
770 for application where you know what you do since if you come to
771 near with record pointer it can be a disaster */
772
773 position &= HDSPM_BufferPositionMask;
774 position = ((position - 64) % (2 * hdspm->period_bytes)) / 4;
775
776 return position;
777 }
778
779
780 static inline void hdspm_start_audio(struct hdspm * s)
781 {
782 s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
783 hdspm_write(s, HDSPM_controlRegister, s->control_register);
784 }
785
786 static inline void hdspm_stop_audio(struct hdspm * s)
787 {
788 s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
789 hdspm_write(s, HDSPM_controlRegister, s->control_register);
790 }
791
792 /* should I silence all or only opened ones ? doit all for first even is 4MB*/
793 static void hdspm_silence_playback(struct hdspm *hdspm)
794 {
795 int i;
796 int n = hdspm->period_bytes;
797 void *buf = hdspm->playback_buffer;
798
799 if (buf == NULL)
800 return;
801
802 for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
803 memset(buf, 0, n);
804 buf += HDSPM_CHANNEL_BUFFER_BYTES;
805 }
806 }
807
808 static int hdspm_set_interrupt_interval(struct hdspm * s, unsigned int frames)
809 {
810 int n;
811
812 spin_lock_irq(&s->lock);
813
814 frames >>= 7;
815 n = 0;
816 while (frames) {
817 n++;
818 frames >>= 1;
819 }
820 s->control_register &= ~HDSPM_LatencyMask;
821 s->control_register |= hdspm_encode_latency(n);
822
823 hdspm_write(s, HDSPM_controlRegister, s->control_register);
824
825 hdspm_compute_period_size(s);
826
827 spin_unlock_irq(&s->lock);
828
829 return 0;
830 }
831
832 static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
833 {
834 u64 n;
835
836 if (rate >= 112000)
837 rate /= 4;
838 else if (rate >= 56000)
839 rate /= 2;
840
841 /* RME says n = 104857600000000, but in the windows MADI driver, I see:
842 // return 104857600000000 / rate; // 100 MHz
843 return 110100480000000 / rate; // 105 MHz
844 */
845 /* n = 104857600000000ULL; */ /* = 2^20 * 10^8 */
846 n = 110100480000000ULL; /* Value checked for AES32 and MADI */
847 n = div_u64(n, rate);
848 /* n should be less than 2^32 for being written to FREQ register */
849 snd_BUG_ON(n >> 32);
850 hdspm_write(hdspm, HDSPM_freqReg, (u32)n);
851 }
852
853 /* dummy set rate lets see what happens */
854 static int hdspm_set_rate(struct hdspm * hdspm, int rate, int called_internally)
855 {
856 int current_rate;
857 int rate_bits;
858 int not_set = 0;
859 int current_speed, target_speed;
860
861 /* ASSUMPTION: hdspm->lock is either set, or there is no need for
862 it (e.g. during module initialization).
863 */
864
865 if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
866
867 /* SLAVE --- */
868 if (called_internally) {
869
870 /* request from ctl or card initialization
871 just make a warning an remember setting
872 for future master mode switching */
873
874 snd_printk(KERN_WARNING "HDSPM: "
875 "Warning: device is not running "
876 "as a clock master.\n");
877 not_set = 1;
878 } else {
879
880 /* hw_param request while in AutoSync mode */
881 int external_freq =
882 hdspm_external_sample_rate(hdspm);
883
884 if (hdspm_autosync_ref(hdspm) ==
885 HDSPM_AUTOSYNC_FROM_NONE) {
886
887 snd_printk(KERN_WARNING "HDSPM: "
888 "Detected no Externel Sync \n");
889 not_set = 1;
890
891 } else if (rate != external_freq) {
892
893 snd_printk(KERN_WARNING "HDSPM: "
894 "Warning: No AutoSync source for "
895 "requested rate\n");
896 not_set = 1;
897 }
898 }
899 }
900
901 current_rate = hdspm->system_sample_rate;
902
903 /* Changing between Singe, Double and Quad speed is not
904 allowed if any substreams are open. This is because such a change
905 causes a shift in the location of the DMA buffers and a reduction
906 in the number of available buffers.
907
908 Note that a similar but essentially insoluble problem exists for
909 externally-driven rate changes. All we can do is to flag rate
910 changes in the read/write routines.
911 */
912
913 if (current_rate <= 48000)
914 current_speed = HDSPM_SPEED_SINGLE;
915 else if (current_rate <= 96000)
916 current_speed = HDSPM_SPEED_DOUBLE;
917 else
918 current_speed = HDSPM_SPEED_QUAD;
919
920 if (rate <= 48000)
921 target_speed = HDSPM_SPEED_SINGLE;
922 else if (rate <= 96000)
923 target_speed = HDSPM_SPEED_DOUBLE;
924 else
925 target_speed = HDSPM_SPEED_QUAD;
926
927 switch (rate) {
928 case 32000:
929 rate_bits = HDSPM_Frequency32KHz;
930 break;
931 case 44100:
932 rate_bits = HDSPM_Frequency44_1KHz;
933 break;
934 case 48000:
935 rate_bits = HDSPM_Frequency48KHz;
936 break;
937 case 64000:
938 rate_bits = HDSPM_Frequency64KHz;
939 break;
940 case 88200:
941 rate_bits = HDSPM_Frequency88_2KHz;
942 break;
943 case 96000:
944 rate_bits = HDSPM_Frequency96KHz;
945 break;
946 case 128000:
947 rate_bits = HDSPM_Frequency128KHz;
948 break;
949 case 176400:
950 rate_bits = HDSPM_Frequency176_4KHz;
951 break;
952 case 192000:
953 rate_bits = HDSPM_Frequency192KHz;
954 break;
955 default:
956 return -EINVAL;
957 }
958
959 if (current_speed != target_speed
960 && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
961 snd_printk
962 (KERN_ERR "HDSPM: "
963 "cannot change from %s speed to %s speed mode "
964 "(capture PID = %d, playback PID = %d)\n",
965 hdspm_speed_names[current_speed],
966 hdspm_speed_names[target_speed],
967 hdspm->capture_pid, hdspm->playback_pid);
968 return -EBUSY;
969 }
970
971 hdspm->control_register &= ~HDSPM_FrequencyMask;
972 hdspm->control_register |= rate_bits;
973 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
974
975 /* For AES32, need to set DDS value in FREQ register
976 For MADI, also apparently */
977 hdspm_set_dds_value(hdspm, rate);
978
979 if (hdspm->is_aes32 && rate != current_rate)
980 hdspm_write(hdspm, HDSPM_eeprom_wr, 0);
981
982 /* For AES32 and for MADI (at least rev 204), channel_map needs to
983 * always be channel_map_madi_ss, whatever the sample rate */
984 hdspm->channel_map = channel_map_madi_ss;
985
986 hdspm->system_sample_rate = rate;
987
988 if (not_set != 0)
989 return -1;
990
991 return 0;
992 }
993
994 /* mainly for init to 0 on load */
995 static void all_in_all_mixer(struct hdspm * hdspm, int sgain)
996 {
997 int i, j;
998 unsigned int gain;
999
1000 if (sgain > UNITY_GAIN)
1001 gain = UNITY_GAIN;
1002 else if (sgain < 0)
1003 gain = 0;
1004 else
1005 gain = sgain;
1006
1007 for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
1008 for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
1009 hdspm_write_in_gain(hdspm, i, j, gain);
1010 hdspm_write_pb_gain(hdspm, i, j, gain);
1011 }
1012 }
1013
1014 /*----------------------------------------------------------------------------
1015 MIDI
1016 ----------------------------------------------------------------------------*/
1017
1018 static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm,
1019 int id)
1020 {
1021 /* the hardware already does the relevant bit-mask with 0xff */
1022 if (id)
1023 return hdspm_read(hdspm, HDSPM_midiDataIn1);
1024 else
1025 return hdspm_read(hdspm, HDSPM_midiDataIn0);
1026 }
1027
1028 static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id,
1029 int val)
1030 {
1031 /* the hardware already does the relevant bit-mask with 0xff */
1032 if (id)
1033 hdspm_write(hdspm, HDSPM_midiDataOut1, val);
1034 else
1035 hdspm_write(hdspm, HDSPM_midiDataOut0, val);
1036 }
1037
1038 static inline int snd_hdspm_midi_input_available (struct hdspm *hdspm, int id)
1039 {
1040 if (id)
1041 return (hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff);
1042 else
1043 return (hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff);
1044 }
1045
1046 static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id)
1047 {
1048 int fifo_bytes_used;
1049
1050 if (id)
1051 fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1);
1052 else
1053 fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0);
1054 fifo_bytes_used &= 0xff;
1055
1056 if (fifo_bytes_used < 128)
1057 return 128 - fifo_bytes_used;
1058 else
1059 return 0;
1060 }
1061
1062 static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id)
1063 {
1064 while (snd_hdspm_midi_input_available (hdspm, id))
1065 snd_hdspm_midi_read_byte (hdspm, id);
1066 }
1067
1068 static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)
1069 {
1070 unsigned long flags;
1071 int n_pending;
1072 int to_write;
1073 int i;
1074 unsigned char buf[128];
1075
1076 /* Output is not interrupt driven */
1077
1078 spin_lock_irqsave (&hmidi->lock, flags);
1079 if (hmidi->output &&
1080 !snd_rawmidi_transmit_empty (hmidi->output)) {
1081 n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,
1082 hmidi->id);
1083 if (n_pending > 0) {
1084 if (n_pending > (int)sizeof (buf))
1085 n_pending = sizeof (buf);
1086
1087 to_write = snd_rawmidi_transmit (hmidi->output, buf,
1088 n_pending);
1089 if (to_write > 0) {
1090 for (i = 0; i < to_write; ++i)
1091 snd_hdspm_midi_write_byte (hmidi->hdspm,
1092 hmidi->id,
1093 buf[i]);
1094 }
1095 }
1096 }
1097 spin_unlock_irqrestore (&hmidi->lock, flags);
1098 return 0;
1099 }
1100
1101 static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)
1102 {
1103 unsigned char buf[128]; /* this buffer is designed to match the MIDI
1104 * input FIFO size
1105 */
1106 unsigned long flags;
1107 int n_pending;
1108 int i;
1109
1110 spin_lock_irqsave (&hmidi->lock, flags);
1111 n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);
1112 if (n_pending > 0) {
1113 if (hmidi->input) {
1114 if (n_pending > (int)sizeof (buf))
1115 n_pending = sizeof (buf);
1116 for (i = 0; i < n_pending; ++i)
1117 buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,
1118 hmidi->id);
1119 if (n_pending)
1120 snd_rawmidi_receive (hmidi->input, buf,
1121 n_pending);
1122 } else {
1123 /* flush the MIDI input FIFO */
1124 while (n_pending--)
1125 snd_hdspm_midi_read_byte (hmidi->hdspm,
1126 hmidi->id);
1127 }
1128 }
1129 hmidi->pending = 0;
1130 if (hmidi->id)
1131 hmidi->hdspm->control_register |= HDSPM_Midi1InterruptEnable;
1132 else
1133 hmidi->hdspm->control_register |= HDSPM_Midi0InterruptEnable;
1134 hdspm_write(hmidi->hdspm, HDSPM_controlRegister,
1135 hmidi->hdspm->control_register);
1136 spin_unlock_irqrestore (&hmidi->lock, flags);
1137 return snd_hdspm_midi_output_write (hmidi);
1138 }
1139
1140 static void
1141 snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1142 {
1143 struct hdspm *hdspm;
1144 struct hdspm_midi *hmidi;
1145 unsigned long flags;
1146 u32 ie;
1147
1148 hmidi = substream->rmidi->private_data;
1149 hdspm = hmidi->hdspm;
1150 ie = hmidi->id ?
1151 HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
1152 spin_lock_irqsave (&hdspm->lock, flags);
1153 if (up) {
1154 if (!(hdspm->control_register & ie)) {
1155 snd_hdspm_flush_midi_input (hdspm, hmidi->id);
1156 hdspm->control_register |= ie;
1157 }
1158 } else {
1159 hdspm->control_register &= ~ie;
1160 }
1161
1162 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1163 spin_unlock_irqrestore (&hdspm->lock, flags);
1164 }
1165
1166 static void snd_hdspm_midi_output_timer(unsigned long data)
1167 {
1168 struct hdspm_midi *hmidi = (struct hdspm_midi *) data;
1169 unsigned long flags;
1170
1171 snd_hdspm_midi_output_write(hmidi);
1172 spin_lock_irqsave (&hmidi->lock, flags);
1173
1174 /* this does not bump hmidi->istimer, because the
1175 kernel automatically removed the timer when it
1176 expired, and we are now adding it back, thus
1177 leaving istimer wherever it was set before.
1178 */
1179
1180 if (hmidi->istimer) {
1181 hmidi->timer.expires = 1 + jiffies;
1182 add_timer(&hmidi->timer);
1183 }
1184
1185 spin_unlock_irqrestore (&hmidi->lock, flags);
1186 }
1187
1188 static void
1189 snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1190 {
1191 struct hdspm_midi *hmidi;
1192 unsigned long flags;
1193
1194 hmidi = substream->rmidi->private_data;
1195 spin_lock_irqsave (&hmidi->lock, flags);
1196 if (up) {
1197 if (!hmidi->istimer) {
1198 init_timer(&hmidi->timer);
1199 hmidi->timer.function = snd_hdspm_midi_output_timer;
1200 hmidi->timer.data = (unsigned long) hmidi;
1201 hmidi->timer.expires = 1 + jiffies;
1202 add_timer(&hmidi->timer);
1203 hmidi->istimer++;
1204 }
1205 } else {
1206 if (hmidi->istimer && --hmidi->istimer <= 0)
1207 del_timer (&hmidi->timer);
1208 }
1209 spin_unlock_irqrestore (&hmidi->lock, flags);
1210 if (up)
1211 snd_hdspm_midi_output_write(hmidi);
1212 }
1213
1214 static int snd_hdspm_midi_input_open(struct snd_rawmidi_substream *substream)
1215 {
1216 struct hdspm_midi *hmidi;
1217
1218 hmidi = substream->rmidi->private_data;
1219 spin_lock_irq (&hmidi->lock);
1220 snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
1221 hmidi->input = substream;
1222 spin_unlock_irq (&hmidi->lock);
1223
1224 return 0;
1225 }
1226
1227 static int snd_hdspm_midi_output_open(struct snd_rawmidi_substream *substream)
1228 {
1229 struct hdspm_midi *hmidi;
1230
1231 hmidi = substream->rmidi->private_data;
1232 spin_lock_irq (&hmidi->lock);
1233 hmidi->output = substream;
1234 spin_unlock_irq (&hmidi->lock);
1235
1236 return 0;
1237 }
1238
1239 static int snd_hdspm_midi_input_close(struct snd_rawmidi_substream *substream)
1240 {
1241 struct hdspm_midi *hmidi;
1242
1243 snd_hdspm_midi_input_trigger (substream, 0);
1244
1245 hmidi = substream->rmidi->private_data;
1246 spin_lock_irq (&hmidi->lock);
1247 hmidi->input = NULL;
1248 spin_unlock_irq (&hmidi->lock);
1249
1250 return 0;
1251 }
1252
1253 static int snd_hdspm_midi_output_close(struct snd_rawmidi_substream *substream)
1254 {
1255 struct hdspm_midi *hmidi;
1256
1257 snd_hdspm_midi_output_trigger (substream, 0);
1258
1259 hmidi = substream->rmidi->private_data;
1260 spin_lock_irq (&hmidi->lock);
1261 hmidi->output = NULL;
1262 spin_unlock_irq (&hmidi->lock);
1263
1264 return 0;
1265 }
1266
1267 static struct snd_rawmidi_ops snd_hdspm_midi_output =
1268 {
1269 .open = snd_hdspm_midi_output_open,
1270 .close = snd_hdspm_midi_output_close,
1271 .trigger = snd_hdspm_midi_output_trigger,
1272 };
1273
1274 static struct snd_rawmidi_ops snd_hdspm_midi_input =
1275 {
1276 .open = snd_hdspm_midi_input_open,
1277 .close = snd_hdspm_midi_input_close,
1278 .trigger = snd_hdspm_midi_input_trigger,
1279 };
1280
1281 static int __devinit snd_hdspm_create_midi (struct snd_card *card,
1282 struct hdspm *hdspm, int id)
1283 {
1284 int err;
1285 char buf[32];
1286
1287 hdspm->midi[id].id = id;
1288 hdspm->midi[id].hdspm = hdspm;
1289 spin_lock_init (&hdspm->midi[id].lock);
1290
1291 sprintf (buf, "%s MIDI %d", card->shortname, id+1);
1292 err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi);
1293 if (err < 0)
1294 return err;
1295
1296 sprintf(hdspm->midi[id].rmidi->name, "HDSPM MIDI %d", id+1);
1297 hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
1298
1299 snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
1300 &snd_hdspm_midi_output);
1301 snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
1302 &snd_hdspm_midi_input);
1303
1304 hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1305 SNDRV_RAWMIDI_INFO_INPUT |
1306 SNDRV_RAWMIDI_INFO_DUPLEX;
1307
1308 return 0;
1309 }
1310
1311
1312 static void hdspm_midi_tasklet(unsigned long arg)
1313 {
1314 struct hdspm *hdspm = (struct hdspm *)arg;
1315
1316 if (hdspm->midi[0].pending)
1317 snd_hdspm_midi_input_read (&hdspm->midi[0]);
1318 if (hdspm->midi[1].pending)
1319 snd_hdspm_midi_input_read (&hdspm->midi[1]);
1320 }
1321
1322
1323 /*-----------------------------------------------------------------------------
1324 Status Interface
1325 ----------------------------------------------------------------------------*/
1326
1327 /* get the system sample rate which is set */
1328
1329 #define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
1330 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1331 .name = xname, \
1332 .index = xindex, \
1333 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1334 .info = snd_hdspm_info_system_sample_rate, \
1335 .get = snd_hdspm_get_system_sample_rate \
1336 }
1337
1338 static int snd_hdspm_info_system_sample_rate(struct snd_kcontrol *kcontrol,
1339 struct snd_ctl_elem_info *uinfo)
1340 {
1341 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1342 uinfo->count = 1;
1343 return 0;
1344 }
1345
1346 static int snd_hdspm_get_system_sample_rate(struct snd_kcontrol *kcontrol,
1347 struct snd_ctl_elem_value *
1348 ucontrol)
1349 {
1350 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1351
1352 ucontrol->value.enumerated.item[0] = hdspm->system_sample_rate;
1353 return 0;
1354 }
1355
1356 #define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1357 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1358 .name = xname, \
1359 .index = xindex, \
1360 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1361 .info = snd_hdspm_info_autosync_sample_rate, \
1362 .get = snd_hdspm_get_autosync_sample_rate \
1363 }
1364
1365 static int snd_hdspm_info_autosync_sample_rate(struct snd_kcontrol *kcontrol,
1366 struct snd_ctl_elem_info *uinfo)
1367 {
1368 static char *texts[] = { "32000", "44100", "48000",
1369 "64000", "88200", "96000",
1370 "128000", "176400", "192000",
1371 "None"
1372 };
1373 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1374 uinfo->count = 1;
1375 uinfo->value.enumerated.items = 10;
1376 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1377 uinfo->value.enumerated.item =
1378 uinfo->value.enumerated.items - 1;
1379 strcpy(uinfo->value.enumerated.name,
1380 texts[uinfo->value.enumerated.item]);
1381 return 0;
1382 }
1383
1384 static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
1385 struct snd_ctl_elem_value *
1386 ucontrol)
1387 {
1388 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1389
1390 switch (hdspm_external_sample_rate(hdspm)) {
1391 case 32000:
1392 ucontrol->value.enumerated.item[0] = 0;
1393 break;
1394 case 44100:
1395 ucontrol->value.enumerated.item[0] = 1;
1396 break;
1397 case 48000:
1398 ucontrol->value.enumerated.item[0] = 2;
1399 break;
1400 case 64000:
1401 ucontrol->value.enumerated.item[0] = 3;
1402 break;
1403 case 88200:
1404 ucontrol->value.enumerated.item[0] = 4;
1405 break;
1406 case 96000:
1407 ucontrol->value.enumerated.item[0] = 5;
1408 break;
1409 case 128000:
1410 ucontrol->value.enumerated.item[0] = 6;
1411 break;
1412 case 176400:
1413 ucontrol->value.enumerated.item[0] = 7;
1414 break;
1415 case 192000:
1416 ucontrol->value.enumerated.item[0] = 8;
1417 break;
1418
1419 default:
1420 ucontrol->value.enumerated.item[0] = 9;
1421 }
1422 return 0;
1423 }
1424
1425 #define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
1426 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1427 .name = xname, \
1428 .index = xindex, \
1429 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1430 .info = snd_hdspm_info_system_clock_mode, \
1431 .get = snd_hdspm_get_system_clock_mode, \
1432 }
1433
1434
1435
1436 static int hdspm_system_clock_mode(struct hdspm * hdspm)
1437 {
1438 /* Always reflect the hardware info, rme is never wrong !!!! */
1439
1440 if (hdspm->control_register & HDSPM_ClockModeMaster)
1441 return 0;
1442 return 1;
1443 }
1444
1445 static int snd_hdspm_info_system_clock_mode(struct snd_kcontrol *kcontrol,
1446 struct snd_ctl_elem_info *uinfo)
1447 {
1448 static char *texts[] = { "Master", "Slave" };
1449
1450 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1451 uinfo->count = 1;
1452 uinfo->value.enumerated.items = 2;
1453 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1454 uinfo->value.enumerated.item =
1455 uinfo->value.enumerated.items - 1;
1456 strcpy(uinfo->value.enumerated.name,
1457 texts[uinfo->value.enumerated.item]);
1458 return 0;
1459 }
1460
1461 static int snd_hdspm_get_system_clock_mode(struct snd_kcontrol *kcontrol,
1462 struct snd_ctl_elem_value *ucontrol)
1463 {
1464 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1465
1466 ucontrol->value.enumerated.item[0] =
1467 hdspm_system_clock_mode(hdspm);
1468 return 0;
1469 }
1470
1471 #define HDSPM_CLOCK_SOURCE(xname, xindex) \
1472 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1473 .name = xname, \
1474 .index = xindex, \
1475 .info = snd_hdspm_info_clock_source, \
1476 .get = snd_hdspm_get_clock_source, \
1477 .put = snd_hdspm_put_clock_source \
1478 }
1479
1480 static int hdspm_clock_source(struct hdspm * hdspm)
1481 {
1482 if (hdspm->control_register & HDSPM_ClockModeMaster) {
1483 switch (hdspm->system_sample_rate) {
1484 case 32000:
1485 return 1;
1486 case 44100:
1487 return 2;
1488 case 48000:
1489 return 3;
1490 case 64000:
1491 return 4;
1492 case 88200:
1493 return 5;
1494 case 96000:
1495 return 6;
1496 case 128000:
1497 return 7;
1498 case 176400:
1499 return 8;
1500 case 192000:
1501 return 9;
1502 default:
1503 return 3;
1504 }
1505 } else {
1506 return 0;
1507 }
1508 }
1509
1510 static int hdspm_set_clock_source(struct hdspm * hdspm, int mode)
1511 {
1512 int rate;
1513 switch (mode) {
1514
1515 case HDSPM_CLOCK_SOURCE_AUTOSYNC:
1516 if (hdspm_external_sample_rate(hdspm) != 0) {
1517 hdspm->control_register &= ~HDSPM_ClockModeMaster;
1518 hdspm_write(hdspm, HDSPM_controlRegister,
1519 hdspm->control_register);
1520 return 0;
1521 }
1522 return -1;
1523 case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
1524 rate = 32000;
1525 break;
1526 case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
1527 rate = 44100;
1528 break;
1529 case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
1530 rate = 48000;
1531 break;
1532 case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
1533 rate = 64000;
1534 break;
1535 case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
1536 rate = 88200;
1537 break;
1538 case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
1539 rate = 96000;
1540 break;
1541 case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
1542 rate = 128000;
1543 break;
1544 case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
1545 rate = 176400;
1546 break;
1547 case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
1548 rate = 192000;
1549 break;
1550
1551 default:
1552 rate = 44100;
1553 }
1554 hdspm->control_register |= HDSPM_ClockModeMaster;
1555 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1556 hdspm_set_rate(hdspm, rate, 1);
1557 return 0;
1558 }
1559
1560 static int snd_hdspm_info_clock_source(struct snd_kcontrol *kcontrol,
1561 struct snd_ctl_elem_info *uinfo)
1562 {
1563 static char *texts[] = { "AutoSync",
1564 "Internal 32.0 kHz", "Internal 44.1 kHz",
1565 "Internal 48.0 kHz",
1566 "Internal 64.0 kHz", "Internal 88.2 kHz",
1567 "Internal 96.0 kHz",
1568 "Internal 128.0 kHz", "Internal 176.4 kHz",
1569 "Internal 192.0 kHz"
1570 };
1571
1572 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1573 uinfo->count = 1;
1574 uinfo->value.enumerated.items = 10;
1575
1576 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1577 uinfo->value.enumerated.item =
1578 uinfo->value.enumerated.items - 1;
1579
1580 strcpy(uinfo->value.enumerated.name,
1581 texts[uinfo->value.enumerated.item]);
1582
1583 return 0;
1584 }
1585
1586 static int snd_hdspm_get_clock_source(struct snd_kcontrol *kcontrol,
1587 struct snd_ctl_elem_value *ucontrol)
1588 {
1589 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1590
1591 ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
1592 return 0;
1593 }
1594
1595 static int snd_hdspm_put_clock_source(struct snd_kcontrol *kcontrol,
1596 struct snd_ctl_elem_value *ucontrol)
1597 {
1598 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1599 int change;
1600 int val;
1601
1602 if (!snd_hdspm_use_is_exclusive(hdspm))
1603 return -EBUSY;
1604 val = ucontrol->value.enumerated.item[0];
1605 if (val < 0)
1606 val = 0;
1607 if (val > 9)
1608 val = 9;
1609 spin_lock_irq(&hdspm->lock);
1610 if (val != hdspm_clock_source(hdspm))
1611 change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
1612 else
1613 change = 0;
1614 spin_unlock_irq(&hdspm->lock);
1615 return change;
1616 }
1617
1618 #define HDSPM_PREF_SYNC_REF(xname, xindex) \
1619 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1620 .name = xname, \
1621 .index = xindex, \
1622 .info = snd_hdspm_info_pref_sync_ref, \
1623 .get = snd_hdspm_get_pref_sync_ref, \
1624 .put = snd_hdspm_put_pref_sync_ref \
1625 }
1626
1627 static int hdspm_pref_sync_ref(struct hdspm * hdspm)
1628 {
1629 /* Notice that this looks at the requested sync source,
1630 not the one actually in use.
1631 */
1632 if (hdspm->is_aes32) {
1633 switch (hdspm->control_register & HDSPM_SyncRefMask) {
1634 /* number gives AES index, except for 0 which
1635 corresponds to WordClock */
1636 case 0: return 0;
1637 case HDSPM_SyncRef0: return 1;
1638 case HDSPM_SyncRef1: return 2;
1639 case HDSPM_SyncRef1+HDSPM_SyncRef0: return 3;
1640 case HDSPM_SyncRef2: return 4;
1641 case HDSPM_SyncRef2+HDSPM_SyncRef0: return 5;
1642 case HDSPM_SyncRef2+HDSPM_SyncRef1: return 6;
1643 case HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0: return 7;
1644 case HDSPM_SyncRef3: return 8;
1645 }
1646 } else {
1647 switch (hdspm->control_register & HDSPM_SyncRefMask) {
1648 case HDSPM_SyncRef_Word:
1649 return HDSPM_SYNC_FROM_WORD;
1650 case HDSPM_SyncRef_MADI:
1651 return HDSPM_SYNC_FROM_MADI;
1652 }
1653 }
1654
1655 return HDSPM_SYNC_FROM_WORD;
1656 }
1657
1658 static int hdspm_set_pref_sync_ref(struct hdspm * hdspm, int pref)
1659 {
1660 hdspm->control_register &= ~HDSPM_SyncRefMask;
1661
1662 if (hdspm->is_aes32) {
1663 switch (pref) {
1664 case 0:
1665 hdspm->control_register |= 0;
1666 break;
1667 case 1:
1668 hdspm->control_register |= HDSPM_SyncRef0;
1669 break;
1670 case 2:
1671 hdspm->control_register |= HDSPM_SyncRef1;
1672 break;
1673 case 3:
1674 hdspm->control_register |= HDSPM_SyncRef1+HDSPM_SyncRef0;
1675 break;
1676 case 4:
1677 hdspm->control_register |= HDSPM_SyncRef2;
1678 break;
1679 case 5:
1680 hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef0;
1681 break;
1682 case 6:
1683 hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef1;
1684 break;
1685 case 7:
1686 hdspm->control_register |=
1687 HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
1688 break;
1689 case 8:
1690 hdspm->control_register |= HDSPM_SyncRef3;
1691 break;
1692 default:
1693 return -1;
1694 }
1695 } else {
1696 switch (pref) {
1697 case HDSPM_SYNC_FROM_MADI:
1698 hdspm->control_register |= HDSPM_SyncRef_MADI;
1699 break;
1700 case HDSPM_SYNC_FROM_WORD:
1701 hdspm->control_register |= HDSPM_SyncRef_Word;
1702 break;
1703 default:
1704 return -1;
1705 }
1706 }
1707 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1708 return 0;
1709 }
1710
1711 static int snd_hdspm_info_pref_sync_ref(struct snd_kcontrol *kcontrol,
1712 struct snd_ctl_elem_info *uinfo)
1713 {
1714 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1715
1716 if (hdspm->is_aes32) {
1717 static char *texts[] = { "Word", "AES1", "AES2", "AES3",
1718 "AES4", "AES5", "AES6", "AES7", "AES8" };
1719
1720 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1721 uinfo->count = 1;
1722
1723 uinfo->value.enumerated.items = 9;
1724
1725 if (uinfo->value.enumerated.item >=
1726 uinfo->value.enumerated.items)
1727 uinfo->value.enumerated.item =
1728 uinfo->value.enumerated.items - 1;
1729 strcpy(uinfo->value.enumerated.name,
1730 texts[uinfo->value.enumerated.item]);
1731 } else {
1732 static char *texts[] = { "Word", "MADI" };
1733
1734 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1735 uinfo->count = 1;
1736
1737 uinfo->value.enumerated.items = 2;
1738
1739 if (uinfo->value.enumerated.item >=
1740 uinfo->value.enumerated.items)
1741 uinfo->value.enumerated.item =
1742 uinfo->value.enumerated.items - 1;
1743 strcpy(uinfo->value.enumerated.name,
1744 texts[uinfo->value.enumerated.item]);
1745 }
1746 return 0;
1747 }
1748
1749 static int snd_hdspm_get_pref_sync_ref(struct snd_kcontrol *kcontrol,
1750 struct snd_ctl_elem_value *ucontrol)
1751 {
1752 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1753
1754 ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
1755 return 0;
1756 }
1757
1758 static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
1759 struct snd_ctl_elem_value *ucontrol)
1760 {
1761 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1762 int change, max;
1763 unsigned int val;
1764
1765 max = hdspm->is_aes32 ? 9 : 2;
1766
1767 if (!snd_hdspm_use_is_exclusive(hdspm))
1768 return -EBUSY;
1769
1770 val = ucontrol->value.enumerated.item[0] % max;
1771
1772 spin_lock_irq(&hdspm->lock);
1773 change = (int) val != hdspm_pref_sync_ref(hdspm);
1774 hdspm_set_pref_sync_ref(hdspm, val);
1775 spin_unlock_irq(&hdspm->lock);
1776 return change;
1777 }
1778
1779 #define HDSPM_AUTOSYNC_REF(xname, xindex) \
1780 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1781 .name = xname, \
1782 .index = xindex, \
1783 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1784 .info = snd_hdspm_info_autosync_ref, \
1785 .get = snd_hdspm_get_autosync_ref, \
1786 }
1787
1788 static int hdspm_autosync_ref(struct hdspm * hdspm)
1789 {
1790 if (hdspm->is_aes32) {
1791 unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
1792 unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) &
1793 0xF;
1794 if (syncref == 0)
1795 return HDSPM_AES32_AUTOSYNC_FROM_WORD;
1796 if (syncref <= 8)
1797 return syncref;
1798 return HDSPM_AES32_AUTOSYNC_FROM_NONE;
1799 } else {
1800 /* This looks at the autosync selected sync reference */
1801 unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
1802
1803 switch (status2 & HDSPM_SelSyncRefMask) {
1804 case HDSPM_SelSyncRef_WORD:
1805 return HDSPM_AUTOSYNC_FROM_WORD;
1806 case HDSPM_SelSyncRef_MADI:
1807 return HDSPM_AUTOSYNC_FROM_MADI;
1808 case HDSPM_SelSyncRef_NVALID:
1809 return HDSPM_AUTOSYNC_FROM_NONE;
1810 default:
1811 return 0;
1812 }
1813
1814 return 0;
1815 }
1816 }
1817
1818 static int snd_hdspm_info_autosync_ref(struct snd_kcontrol *kcontrol,
1819 struct snd_ctl_elem_info *uinfo)
1820 {
1821 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1822
1823 if (hdspm->is_aes32) {
1824 static char *texts[] = { "WordClock", "AES1", "AES2", "AES3",
1825 "AES4", "AES5", "AES6", "AES7", "AES8", "None"};
1826
1827 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1828 uinfo->count = 1;
1829 uinfo->value.enumerated.items = 10;
1830 if (uinfo->value.enumerated.item >=
1831 uinfo->value.enumerated.items)
1832 uinfo->value.enumerated.item =
1833 uinfo->value.enumerated.items - 1;
1834 strcpy(uinfo->value.enumerated.name,
1835 texts[uinfo->value.enumerated.item]);
1836 } else {
1837 static char *texts[] = { "WordClock", "MADI", "None" };
1838
1839 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1840 uinfo->count = 1;
1841 uinfo->value.enumerated.items = 3;
1842 if (uinfo->value.enumerated.item >=
1843 uinfo->value.enumerated.items)
1844 uinfo->value.enumerated.item =
1845 uinfo->value.enumerated.items - 1;
1846 strcpy(uinfo->value.enumerated.name,
1847 texts[uinfo->value.enumerated.item]);
1848 }
1849 return 0;
1850 }
1851
1852 static int snd_hdspm_get_autosync_ref(struct snd_kcontrol *kcontrol,
1853 struct snd_ctl_elem_value *ucontrol)
1854 {
1855 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1856
1857 ucontrol->value.enumerated.item[0] = hdspm_autosync_ref(hdspm);
1858 return 0;
1859 }
1860
1861 #define HDSPM_LINE_OUT(xname, xindex) \
1862 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1863 .name = xname, \
1864 .index = xindex, \
1865 .info = snd_hdspm_info_line_out, \
1866 .get = snd_hdspm_get_line_out, \
1867 .put = snd_hdspm_put_line_out \
1868 }
1869
1870 static int hdspm_line_out(struct hdspm * hdspm)
1871 {
1872 return (hdspm->control_register & HDSPM_LineOut) ? 1 : 0;
1873 }
1874
1875
1876 static int hdspm_set_line_output(struct hdspm * hdspm, int out)
1877 {
1878 if (out)
1879 hdspm->control_register |= HDSPM_LineOut;
1880 else
1881 hdspm->control_register &= ~HDSPM_LineOut;
1882 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1883
1884 return 0;
1885 }
1886
1887 #define snd_hdspm_info_line_out snd_ctl_boolean_mono_info
1888
1889 static int snd_hdspm_get_line_out(struct snd_kcontrol *kcontrol,
1890 struct snd_ctl_elem_value *ucontrol)
1891 {
1892 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1893
1894 spin_lock_irq(&hdspm->lock);
1895 ucontrol->value.integer.value[0] = hdspm_line_out(hdspm);
1896 spin_unlock_irq(&hdspm->lock);
1897 return 0;
1898 }
1899
1900 static int snd_hdspm_put_line_out(struct snd_kcontrol *kcontrol,
1901 struct snd_ctl_elem_value *ucontrol)
1902 {
1903 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1904 int change;
1905 unsigned int val;
1906
1907 if (!snd_hdspm_use_is_exclusive(hdspm))
1908 return -EBUSY;
1909 val = ucontrol->value.integer.value[0] & 1;
1910 spin_lock_irq(&hdspm->lock);
1911 change = (int) val != hdspm_line_out(hdspm);
1912 hdspm_set_line_output(hdspm, val);
1913 spin_unlock_irq(&hdspm->lock);
1914 return change;
1915 }
1916
1917 #define HDSPM_TX_64(xname, xindex) \
1918 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1919 .name = xname, \
1920 .index = xindex, \
1921 .info = snd_hdspm_info_tx_64, \
1922 .get = snd_hdspm_get_tx_64, \
1923 .put = snd_hdspm_put_tx_64 \
1924 }
1925
1926 static int hdspm_tx_64(struct hdspm * hdspm)
1927 {
1928 return (hdspm->control_register & HDSPM_TX_64ch) ? 1 : 0;
1929 }
1930
1931 static int hdspm_set_tx_64(struct hdspm * hdspm, int out)
1932 {
1933 if (out)
1934 hdspm->control_register |= HDSPM_TX_64ch;
1935 else
1936 hdspm->control_register &= ~HDSPM_TX_64ch;
1937 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1938
1939 return 0;
1940 }
1941
1942 #define snd_hdspm_info_tx_64 snd_ctl_boolean_mono_info
1943
1944 static int snd_hdspm_get_tx_64(struct snd_kcontrol *kcontrol,
1945 struct snd_ctl_elem_value *ucontrol)
1946 {
1947 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1948
1949 spin_lock_irq(&hdspm->lock);
1950 ucontrol->value.integer.value[0] = hdspm_tx_64(hdspm);
1951 spin_unlock_irq(&hdspm->lock);
1952 return 0;
1953 }
1954
1955 static int snd_hdspm_put_tx_64(struct snd_kcontrol *kcontrol,
1956 struct snd_ctl_elem_value *ucontrol)
1957 {
1958 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
1959 int change;
1960 unsigned int val;
1961
1962 if (!snd_hdspm_use_is_exclusive(hdspm))
1963 return -EBUSY;
1964 val = ucontrol->value.integer.value[0] & 1;
1965 spin_lock_irq(&hdspm->lock);
1966 change = (int) val != hdspm_tx_64(hdspm);
1967 hdspm_set_tx_64(hdspm, val);
1968 spin_unlock_irq(&hdspm->lock);
1969 return change;
1970 }
1971
1972 #define HDSPM_C_TMS(xname, xindex) \
1973 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1974 .name = xname, \
1975 .index = xindex, \
1976 .info = snd_hdspm_info_c_tms, \
1977 .get = snd_hdspm_get_c_tms, \
1978 .put = snd_hdspm_put_c_tms \
1979 }
1980
1981 static int hdspm_c_tms(struct hdspm * hdspm)
1982 {
1983 return (hdspm->control_register & HDSPM_clr_tms) ? 1 : 0;
1984 }
1985
1986 static int hdspm_set_c_tms(struct hdspm * hdspm, int out)
1987 {
1988 if (out)
1989 hdspm->control_register |= HDSPM_clr_tms;
1990 else
1991 hdspm->control_register &= ~HDSPM_clr_tms;
1992 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1993
1994 return 0;
1995 }
1996
1997 #define snd_hdspm_info_c_tms snd_ctl_boolean_mono_info
1998
1999 static int snd_hdspm_get_c_tms(struct snd_kcontrol *kcontrol,
2000 struct snd_ctl_elem_value *ucontrol)
2001 {
2002 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2003
2004 spin_lock_irq(&hdspm->lock);
2005 ucontrol->value.integer.value[0] = hdspm_c_tms(hdspm);
2006 spin_unlock_irq(&hdspm->lock);
2007 return 0;
2008 }
2009
2010 static int snd_hdspm_put_c_tms(struct snd_kcontrol *kcontrol,
2011 struct snd_ctl_elem_value *ucontrol)
2012 {
2013 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2014 int change;
2015 unsigned int val;
2016
2017 if (!snd_hdspm_use_is_exclusive(hdspm))
2018 return -EBUSY;
2019 val = ucontrol->value.integer.value[0] & 1;
2020 spin_lock_irq(&hdspm->lock);
2021 change = (int) val != hdspm_c_tms(hdspm);
2022 hdspm_set_c_tms(hdspm, val);
2023 spin_unlock_irq(&hdspm->lock);
2024 return change;
2025 }
2026
2027 #define HDSPM_SAFE_MODE(xname, xindex) \
2028 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2029 .name = xname, \
2030 .index = xindex, \
2031 .info = snd_hdspm_info_safe_mode, \
2032 .get = snd_hdspm_get_safe_mode, \
2033 .put = snd_hdspm_put_safe_mode \
2034 }
2035
2036 static int hdspm_safe_mode(struct hdspm * hdspm)
2037 {
2038 return (hdspm->control_register & HDSPM_AutoInp) ? 1 : 0;
2039 }
2040
2041 static int hdspm_set_safe_mode(struct hdspm * hdspm, int out)
2042 {
2043 if (out)
2044 hdspm->control_register |= HDSPM_AutoInp;
2045 else
2046 hdspm->control_register &= ~HDSPM_AutoInp;
2047 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2048
2049 return 0;
2050 }
2051
2052 #define snd_hdspm_info_safe_mode snd_ctl_boolean_mono_info
2053
2054 static int snd_hdspm_get_safe_mode(struct snd_kcontrol *kcontrol,
2055 struct snd_ctl_elem_value *ucontrol)
2056 {
2057 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2058
2059 spin_lock_irq(&hdspm->lock);
2060 ucontrol->value.integer.value[0] = hdspm_safe_mode(hdspm);
2061 spin_unlock_irq(&hdspm->lock);
2062 return 0;
2063 }
2064
2065 static int snd_hdspm_put_safe_mode(struct snd_kcontrol *kcontrol,
2066 struct snd_ctl_elem_value *ucontrol)
2067 {
2068 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2069 int change;
2070 unsigned int val;
2071
2072 if (!snd_hdspm_use_is_exclusive(hdspm))
2073 return -EBUSY;
2074 val = ucontrol->value.integer.value[0] & 1;
2075 spin_lock_irq(&hdspm->lock);
2076 change = (int) val != hdspm_safe_mode(hdspm);
2077 hdspm_set_safe_mode(hdspm, val);
2078 spin_unlock_irq(&hdspm->lock);
2079 return change;
2080 }
2081
2082 #define HDSPM_EMPHASIS(xname, xindex) \
2083 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2084 .name = xname, \
2085 .index = xindex, \
2086 .info = snd_hdspm_info_emphasis, \
2087 .get = snd_hdspm_get_emphasis, \
2088 .put = snd_hdspm_put_emphasis \
2089 }
2090
2091 static int hdspm_emphasis(struct hdspm * hdspm)
2092 {
2093 return (hdspm->control_register & HDSPM_Emphasis) ? 1 : 0;
2094 }
2095
2096 static int hdspm_set_emphasis(struct hdspm * hdspm, int emp)
2097 {
2098 if (emp)
2099 hdspm->control_register |= HDSPM_Emphasis;
2100 else
2101 hdspm->control_register &= ~HDSPM_Emphasis;
2102 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2103
2104 return 0;
2105 }
2106
2107 #define snd_hdspm_info_emphasis snd_ctl_boolean_mono_info
2108
2109 static int snd_hdspm_get_emphasis(struct snd_kcontrol *kcontrol,
2110 struct snd_ctl_elem_value *ucontrol)
2111 {
2112 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2113
2114 spin_lock_irq(&hdspm->lock);
2115 ucontrol->value.enumerated.item[0] = hdspm_emphasis(hdspm);
2116 spin_unlock_irq(&hdspm->lock);
2117 return 0;
2118 }
2119
2120 static int snd_hdspm_put_emphasis(struct snd_kcontrol *kcontrol,
2121 struct snd_ctl_elem_value *ucontrol)
2122 {
2123 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2124 int change;
2125 unsigned int val;
2126
2127 if (!snd_hdspm_use_is_exclusive(hdspm))
2128 return -EBUSY;
2129 val = ucontrol->value.integer.value[0] & 1;
2130 spin_lock_irq(&hdspm->lock);
2131 change = (int) val != hdspm_emphasis(hdspm);
2132 hdspm_set_emphasis(hdspm, val);
2133 spin_unlock_irq(&hdspm->lock);
2134 return change;
2135 }
2136
2137 #define HDSPM_DOLBY(xname, xindex) \
2138 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2139 .name = xname, \
2140 .index = xindex, \
2141 .info = snd_hdspm_info_dolby, \
2142 .get = snd_hdspm_get_dolby, \
2143 .put = snd_hdspm_put_dolby \
2144 }
2145
2146 static int hdspm_dolby(struct hdspm * hdspm)
2147 {
2148 return (hdspm->control_register & HDSPM_Dolby) ? 1 : 0;
2149 }
2150
2151 static int hdspm_set_dolby(struct hdspm * hdspm, int dol)
2152 {
2153 if (dol)
2154 hdspm->control_register |= HDSPM_Dolby;
2155 else
2156 hdspm->control_register &= ~HDSPM_Dolby;
2157 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2158
2159 return 0;
2160 }
2161
2162 #define snd_hdspm_info_dolby snd_ctl_boolean_mono_info
2163
2164 static int snd_hdspm_get_dolby(struct snd_kcontrol *kcontrol,
2165 struct snd_ctl_elem_value *ucontrol)
2166 {
2167 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2168
2169 spin_lock_irq(&hdspm->lock);
2170 ucontrol->value.enumerated.item[0] = hdspm_dolby(hdspm);
2171 spin_unlock_irq(&hdspm->lock);
2172 return 0;
2173 }
2174
2175 static int snd_hdspm_put_dolby(struct snd_kcontrol *kcontrol,
2176 struct snd_ctl_elem_value *ucontrol)
2177 {
2178 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2179 int change;
2180 unsigned int val;
2181
2182 if (!snd_hdspm_use_is_exclusive(hdspm))
2183 return -EBUSY;
2184 val = ucontrol->value.integer.value[0] & 1;
2185 spin_lock_irq(&hdspm->lock);
2186 change = (int) val != hdspm_dolby(hdspm);
2187 hdspm_set_dolby(hdspm, val);
2188 spin_unlock_irq(&hdspm->lock);
2189 return change;
2190 }
2191
2192 #define HDSPM_PROFESSIONAL(xname, xindex) \
2193 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2194 .name = xname, \
2195 .index = xindex, \
2196 .info = snd_hdspm_info_professional, \
2197 .get = snd_hdspm_get_professional, \
2198 .put = snd_hdspm_put_professional \
2199 }
2200
2201 static int hdspm_professional(struct hdspm * hdspm)
2202 {
2203 return (hdspm->control_register & HDSPM_Professional) ? 1 : 0;
2204 }
2205
2206 static int hdspm_set_professional(struct hdspm * hdspm, int dol)
2207 {
2208 if (dol)
2209 hdspm->control_register |= HDSPM_Professional;
2210 else
2211 hdspm->control_register &= ~HDSPM_Professional;
2212 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2213
2214 return 0;
2215 }
2216
2217 #define snd_hdspm_info_professional snd_ctl_boolean_mono_info
2218
2219 static int snd_hdspm_get_professional(struct snd_kcontrol *kcontrol,
2220 struct snd_ctl_elem_value *ucontrol)
2221 {
2222 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2223
2224 spin_lock_irq(&hdspm->lock);
2225 ucontrol->value.enumerated.item[0] = hdspm_professional(hdspm);
2226 spin_unlock_irq(&hdspm->lock);
2227 return 0;
2228 }
2229
2230 static int snd_hdspm_put_professional(struct snd_kcontrol *kcontrol,
2231 struct snd_ctl_elem_value *ucontrol)
2232 {
2233 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2234 int change;
2235 unsigned int val;
2236
2237 if (!snd_hdspm_use_is_exclusive(hdspm))
2238 return -EBUSY;
2239 val = ucontrol->value.integer.value[0] & 1;
2240 spin_lock_irq(&hdspm->lock);
2241 change = (int) val != hdspm_professional(hdspm);
2242 hdspm_set_professional(hdspm, val);
2243 spin_unlock_irq(&hdspm->lock);
2244 return change;
2245 }
2246
2247 #define HDSPM_INPUT_SELECT(xname, xindex) \
2248 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2249 .name = xname, \
2250 .index = xindex, \
2251 .info = snd_hdspm_info_input_select, \
2252 .get = snd_hdspm_get_input_select, \
2253 .put = snd_hdspm_put_input_select \
2254 }
2255
2256 static int hdspm_input_select(struct hdspm * hdspm)
2257 {
2258 return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
2259 }
2260
2261 static int hdspm_set_input_select(struct hdspm * hdspm, int out)
2262 {
2263 if (out)
2264 hdspm->control_register |= HDSPM_InputSelect0;
2265 else
2266 hdspm->control_register &= ~HDSPM_InputSelect0;
2267 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2268
2269 return 0;
2270 }
2271
2272 static int snd_hdspm_info_input_select(struct snd_kcontrol *kcontrol,
2273 struct snd_ctl_elem_info *uinfo)
2274 {
2275 static char *texts[] = { "optical", "coaxial" };
2276
2277 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2278 uinfo->count = 1;
2279 uinfo->value.enumerated.items = 2;
2280
2281 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2282 uinfo->value.enumerated.item =
2283 uinfo->value.enumerated.items - 1;
2284 strcpy(uinfo->value.enumerated.name,
2285 texts[uinfo->value.enumerated.item]);
2286
2287 return 0;
2288 }
2289
2290 static int snd_hdspm_get_input_select(struct snd_kcontrol *kcontrol,
2291 struct snd_ctl_elem_value *ucontrol)
2292 {
2293 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2294
2295 spin_lock_irq(&hdspm->lock);
2296 ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
2297 spin_unlock_irq(&hdspm->lock);
2298 return 0;
2299 }
2300
2301 static int snd_hdspm_put_input_select(struct snd_kcontrol *kcontrol,
2302 struct snd_ctl_elem_value *ucontrol)
2303 {
2304 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2305 int change;
2306 unsigned int val;
2307
2308 if (!snd_hdspm_use_is_exclusive(hdspm))
2309 return -EBUSY;
2310 val = ucontrol->value.integer.value[0] & 1;
2311 spin_lock_irq(&hdspm->lock);
2312 change = (int) val != hdspm_input_select(hdspm);
2313 hdspm_set_input_select(hdspm, val);
2314 spin_unlock_irq(&hdspm->lock);
2315 return change;
2316 }
2317
2318 #define HDSPM_DS_WIRE(xname, xindex) \
2319 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2320 .name = xname, \
2321 .index = xindex, \
2322 .info = snd_hdspm_info_ds_wire, \
2323 .get = snd_hdspm_get_ds_wire, \
2324 .put = snd_hdspm_put_ds_wire \
2325 }
2326
2327 static int hdspm_ds_wire(struct hdspm * hdspm)
2328 {
2329 return (hdspm->control_register & HDSPM_DS_DoubleWire) ? 1 : 0;
2330 }
2331
2332 static int hdspm_set_ds_wire(struct hdspm * hdspm, int ds)
2333 {
2334 if (ds)
2335 hdspm->control_register |= HDSPM_DS_DoubleWire;
2336 else
2337 hdspm->control_register &= ~HDSPM_DS_DoubleWire;
2338 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2339
2340 return 0;
2341 }
2342
2343 static int snd_hdspm_info_ds_wire(struct snd_kcontrol *kcontrol,
2344 struct snd_ctl_elem_info *uinfo)
2345 {
2346 static char *texts[] = { "Single", "Double" };
2347
2348 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2349 uinfo->count = 1;
2350 uinfo->value.enumerated.items = 2;
2351
2352 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2353 uinfo->value.enumerated.item =
2354 uinfo->value.enumerated.items - 1;
2355 strcpy(uinfo->value.enumerated.name,
2356 texts[uinfo->value.enumerated.item]);
2357
2358 return 0;
2359 }
2360
2361 static int snd_hdspm_get_ds_wire(struct snd_kcontrol *kcontrol,
2362 struct snd_ctl_elem_value *ucontrol)
2363 {
2364 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2365
2366 spin_lock_irq(&hdspm->lock);
2367 ucontrol->value.enumerated.item[0] = hdspm_ds_wire(hdspm);
2368 spin_unlock_irq(&hdspm->lock);
2369 return 0;
2370 }
2371
2372 static int snd_hdspm_put_ds_wire(struct snd_kcontrol *kcontrol,
2373 struct snd_ctl_elem_value *ucontrol)
2374 {
2375 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2376 int change;
2377 unsigned int val;
2378
2379 if (!snd_hdspm_use_is_exclusive(hdspm))
2380 return -EBUSY;
2381 val = ucontrol->value.integer.value[0] & 1;
2382 spin_lock_irq(&hdspm->lock);
2383 change = (int) val != hdspm_ds_wire(hdspm);
2384 hdspm_set_ds_wire(hdspm, val);
2385 spin_unlock_irq(&hdspm->lock);
2386 return change;
2387 }
2388
2389 #define HDSPM_QS_WIRE(xname, xindex) \
2390 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2391 .name = xname, \
2392 .index = xindex, \
2393 .info = snd_hdspm_info_qs_wire, \
2394 .get = snd_hdspm_get_qs_wire, \
2395 .put = snd_hdspm_put_qs_wire \
2396 }
2397
2398 static int hdspm_qs_wire(struct hdspm * hdspm)
2399 {
2400 if (hdspm->control_register & HDSPM_QS_DoubleWire)
2401 return 1;
2402 if (hdspm->control_register & HDSPM_QS_QuadWire)
2403 return 2;
2404 return 0;
2405 }
2406
2407 static int hdspm_set_qs_wire(struct hdspm * hdspm, int mode)
2408 {
2409 hdspm->control_register &= ~(HDSPM_QS_DoubleWire | HDSPM_QS_QuadWire);
2410 switch (mode) {
2411 case 0:
2412 break;
2413 case 1:
2414 hdspm->control_register |= HDSPM_QS_DoubleWire;
2415 break;
2416 case 2:
2417 hdspm->control_register |= HDSPM_QS_QuadWire;
2418 break;
2419 }
2420 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2421
2422 return 0;
2423 }
2424
2425 static int snd_hdspm_info_qs_wire(struct snd_kcontrol *kcontrol,
2426 struct snd_ctl_elem_info *uinfo)
2427 {
2428 static char *texts[] = { "Single", "Double", "Quad" };
2429
2430 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2431 uinfo->count = 1;
2432 uinfo->value.enumerated.items = 3;
2433
2434 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2435 uinfo->value.enumerated.item =
2436 uinfo->value.enumerated.items - 1;
2437 strcpy(uinfo->value.enumerated.name,
2438 texts[uinfo->value.enumerated.item]);
2439
2440 return 0;
2441 }
2442
2443 static int snd_hdspm_get_qs_wire(struct snd_kcontrol *kcontrol,
2444 struct snd_ctl_elem_value *ucontrol)
2445 {
2446 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2447
2448 spin_lock_irq(&hdspm->lock);
2449 ucontrol->value.enumerated.item[0] = hdspm_qs_wire(hdspm);
2450 spin_unlock_irq(&hdspm->lock);
2451 return 0;
2452 }
2453
2454 static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
2455 struct snd_ctl_elem_value *ucontrol)
2456 {
2457 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2458 int change;
2459 int val;
2460
2461 if (!snd_hdspm_use_is_exclusive(hdspm))
2462 return -EBUSY;
2463 val = ucontrol->value.integer.value[0];
2464 if (val < 0)
2465 val = 0;
2466 if (val > 2)
2467 val = 2;
2468 spin_lock_irq(&hdspm->lock);
2469 change = val != hdspm_qs_wire(hdspm);
2470 hdspm_set_qs_wire(hdspm, val);
2471 spin_unlock_irq(&hdspm->lock);
2472 return change;
2473 }
2474
2475 /* Simple Mixer
2476 deprecated since to much faders ???
2477 MIXER interface says output (source, destination, value)
2478 where source > MAX_channels are playback channels
2479 on MADICARD
2480 - playback mixer matrix: [channelout+64] [output] [value]
2481 - input(thru) mixer matrix: [channelin] [output] [value]
2482 (better do 2 kontrols for seperation ?)
2483 */
2484
2485 #define HDSPM_MIXER(xname, xindex) \
2486 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2487 .name = xname, \
2488 .index = xindex, \
2489 .device = 0, \
2490 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
2491 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2492 .info = snd_hdspm_info_mixer, \
2493 .get = snd_hdspm_get_mixer, \
2494 .put = snd_hdspm_put_mixer \
2495 }
2496
2497 static int snd_hdspm_info_mixer(struct snd_kcontrol *kcontrol,
2498 struct snd_ctl_elem_info *uinfo)
2499 {
2500 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2501 uinfo->count = 3;
2502 uinfo->value.integer.min = 0;
2503 uinfo->value.integer.max = 65535;
2504 uinfo->value.integer.step = 1;
2505 return 0;
2506 }
2507
2508 static int snd_hdspm_get_mixer(struct snd_kcontrol *kcontrol,
2509 struct snd_ctl_elem_value *ucontrol)
2510 {
2511 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2512 int source;
2513 int destination;
2514
2515 source = ucontrol->value.integer.value[0];
2516 if (source < 0)
2517 source = 0;
2518 else if (source >= 2 * HDSPM_MAX_CHANNELS)
2519 source = 2 * HDSPM_MAX_CHANNELS - 1;
2520
2521 destination = ucontrol->value.integer.value[1];
2522 if (destination < 0)
2523 destination = 0;
2524 else if (destination >= HDSPM_MAX_CHANNELS)
2525 destination = HDSPM_MAX_CHANNELS - 1;
2526
2527 spin_lock_irq(&hdspm->lock);
2528 if (source >= HDSPM_MAX_CHANNELS)
2529 ucontrol->value.integer.value[2] =
2530 hdspm_read_pb_gain(hdspm, destination,
2531 source - HDSPM_MAX_CHANNELS);
2532 else
2533 ucontrol->value.integer.value[2] =
2534 hdspm_read_in_gain(hdspm, destination, source);
2535
2536 spin_unlock_irq(&hdspm->lock);
2537
2538 return 0;
2539 }
2540
2541 static int snd_hdspm_put_mixer(struct snd_kcontrol *kcontrol,
2542 struct snd_ctl_elem_value *ucontrol)
2543 {
2544 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2545 int change;
2546 int source;
2547 int destination;
2548 int gain;
2549
2550 if (!snd_hdspm_use_is_exclusive(hdspm))
2551 return -EBUSY;
2552
2553 source = ucontrol->value.integer.value[0];
2554 destination = ucontrol->value.integer.value[1];
2555
2556 if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
2557 return -1;
2558 if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
2559 return -1;
2560
2561 gain = ucontrol->value.integer.value[2];
2562
2563 spin_lock_irq(&hdspm->lock);
2564
2565 if (source >= HDSPM_MAX_CHANNELS)
2566 change = gain != hdspm_read_pb_gain(hdspm, destination,
2567 source -
2568 HDSPM_MAX_CHANNELS);
2569 else
2570 change = gain != hdspm_read_in_gain(hdspm, destination,
2571 source);
2572
2573 if (change) {
2574 if (source >= HDSPM_MAX_CHANNELS)
2575 hdspm_write_pb_gain(hdspm, destination,
2576 source - HDSPM_MAX_CHANNELS,
2577 gain);
2578 else
2579 hdspm_write_in_gain(hdspm, destination, source,
2580 gain);
2581 }
2582 spin_unlock_irq(&hdspm->lock);
2583
2584 return change;
2585 }
2586
2587 /* The simple mixer control(s) provide gain control for the
2588 basic 1:1 mappings of playback streams to output
2589 streams.
2590 */
2591
2592 #define HDSPM_PLAYBACK_MIXER \
2593 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2594 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
2595 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2596 .info = snd_hdspm_info_playback_mixer, \
2597 .get = snd_hdspm_get_playback_mixer, \
2598 .put = snd_hdspm_put_playback_mixer \
2599 }
2600
2601 static int snd_hdspm_info_playback_mixer(struct snd_kcontrol *kcontrol,
2602 struct snd_ctl_elem_info *uinfo)
2603 {
2604 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2605 uinfo->count = 1;
2606 uinfo->value.integer.min = 0;
2607 uinfo->value.integer.max = 65536;
2608 uinfo->value.integer.step = 1;
2609 return 0;
2610 }
2611
2612 static int snd_hdspm_get_playback_mixer(struct snd_kcontrol *kcontrol,
2613 struct snd_ctl_elem_value *ucontrol)
2614 {
2615 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2616 int channel;
2617 int mapped_channel;
2618
2619 channel = ucontrol->id.index - 1;
2620
2621 if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
2622 return -EINVAL;
2623
2624 mapped_channel = hdspm->channel_map[channel];
2625 if (mapped_channel < 0)
2626 return -EINVAL;
2627
2628 spin_lock_irq(&hdspm->lock);
2629 ucontrol->value.integer.value[0] =
2630 hdspm_read_pb_gain(hdspm, mapped_channel, mapped_channel);
2631 spin_unlock_irq(&hdspm->lock);
2632
2633 /*
2634 snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, "
2635 "value %d\n",
2636 ucontrol->id.index, channel, mapped_channel,
2637 ucontrol->value.integer.value[0]);
2638 */
2639 return 0;
2640 }
2641
2642 static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol,
2643 struct snd_ctl_elem_value *ucontrol)
2644 {
2645 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2646 int change;
2647 int channel;
2648 int mapped_channel;
2649 int gain;
2650
2651 if (!snd_hdspm_use_is_exclusive(hdspm))
2652 return -EBUSY;
2653
2654 channel = ucontrol->id.index - 1;
2655
2656 if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
2657 return -EINVAL;
2658
2659 mapped_channel = hdspm->channel_map[channel];
2660 if (mapped_channel < 0)
2661 return -EINVAL;
2662
2663 gain = ucontrol->value.integer.value[0];
2664
2665 spin_lock_irq(&hdspm->lock);
2666 change =
2667 gain != hdspm_read_pb_gain(hdspm, mapped_channel,
2668 mapped_channel);
2669 if (change)
2670 hdspm_write_pb_gain(hdspm, mapped_channel, mapped_channel,
2671 gain);
2672 spin_unlock_irq(&hdspm->lock);
2673 return change;
2674 }
2675
2676 #define HDSPM_WC_SYNC_CHECK(xname, xindex) \
2677 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2678 .name = xname, \
2679 .index = xindex, \
2680 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2681 .info = snd_hdspm_info_sync_check, \
2682 .get = snd_hdspm_get_wc_sync_check \
2683 }
2684
2685 static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
2686 struct snd_ctl_elem_info *uinfo)
2687 {
2688 static char *texts[] = { "No Lock", "Lock", "Sync" };
2689 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2690 uinfo->count = 1;
2691 uinfo->value.enumerated.items = 3;
2692 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2693 uinfo->value.enumerated.item =
2694 uinfo->value.enumerated.items - 1;
2695 strcpy(uinfo->value.enumerated.name,
2696 texts[uinfo->value.enumerated.item]);
2697 return 0;
2698 }
2699
2700 static int hdspm_wc_sync_check(struct hdspm * hdspm)
2701 {
2702 if (hdspm->is_aes32) {
2703 int status = hdspm_read(hdspm, HDSPM_statusRegister);
2704 if (status & HDSPM_AES32_wcLock) {
2705 /* I don't know how to differenciate sync from lock.
2706 Doing as if sync for now */
2707 return 2;
2708 }
2709 return 0;
2710 } else {
2711 int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
2712 if (status2 & HDSPM_wcLock) {
2713 if (status2 & HDSPM_wcSync)
2714 return 2;
2715 else
2716 return 1;
2717 }
2718 return 0;
2719 }
2720 }
2721
2722 static int snd_hdspm_get_wc_sync_check(struct snd_kcontrol *kcontrol,
2723 struct snd_ctl_elem_value *ucontrol)
2724 {
2725 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2726
2727 ucontrol->value.enumerated.item[0] = hdspm_wc_sync_check(hdspm);
2728 return 0;
2729 }
2730
2731
2732 #define HDSPM_MADI_SYNC_CHECK(xname, xindex) \
2733 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2734 .name = xname, \
2735 .index = xindex, \
2736 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2737 .info = snd_hdspm_info_sync_check, \
2738 .get = snd_hdspm_get_madisync_sync_check \
2739 }
2740
2741 static int hdspm_madisync_sync_check(struct hdspm * hdspm)
2742 {
2743 int status = hdspm_read(hdspm, HDSPM_statusRegister);
2744 if (status & HDSPM_madiLock) {
2745 if (status & HDSPM_madiSync)
2746 return 2;
2747 else
2748 return 1;
2749 }
2750 return 0;
2751 }
2752
2753 static int snd_hdspm_get_madisync_sync_check(struct snd_kcontrol *kcontrol,
2754 struct snd_ctl_elem_value *
2755 ucontrol)
2756 {
2757 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2758
2759 ucontrol->value.enumerated.item[0] =
2760 hdspm_madisync_sync_check(hdspm);
2761 return 0;
2762 }
2763
2764
2765 #define HDSPM_AES_SYNC_CHECK(xname, xindex) \
2766 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2767 .name = xname, \
2768 .index = xindex, \
2769 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2770 .info = snd_hdspm_info_sync_check, \
2771 .get = snd_hdspm_get_aes_sync_check \
2772 }
2773
2774 static int hdspm_aes_sync_check(struct hdspm * hdspm, int idx)
2775 {
2776 int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
2777 if (status2 & (HDSPM_LockAES >> idx)) {
2778 /* I don't know how to differenciate sync from lock.
2779 Doing as if sync for now */
2780 return 2;
2781 }
2782 return 0;
2783 }
2784
2785 static int snd_hdspm_get_aes_sync_check(struct snd_kcontrol *kcontrol,
2786 struct snd_ctl_elem_value *ucontrol)
2787 {
2788 int offset;
2789 struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
2790
2791 offset = ucontrol->id.index - 1;
2792 if (offset < 0 || offset >= 8)
2793 return -EINVAL;
2794
2795 ucontrol->value.enumerated.item[0] =
2796 hdspm_aes_sync_check(hdspm, offset);
2797 return 0;
2798 }
2799
2800
2801 static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
2802
2803 HDSPM_MIXER("Mixer", 0),
2804 /* 'Sample Clock Source' complies with the alsa control naming scheme */
2805 HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),
2806
2807 HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
2808 HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
2809 HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
2810 HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
2811 /* 'External Rate' complies with the alsa control naming scheme */
2812 HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
2813 HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
2814 HDSPM_MADI_SYNC_CHECK("MADI Sync Lock Status", 0),
2815 HDSPM_LINE_OUT("Line Out", 0),
2816 HDSPM_TX_64("TX 64 channels mode", 0),
2817 HDSPM_C_TMS("Clear Track Marker", 0),
2818 HDSPM_SAFE_MODE("Safe Mode", 0),
2819 HDSPM_INPUT_SELECT("Input Select", 0),
2820 };
2821
2822 static struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {
2823
2824 HDSPM_MIXER("Mixer", 0),
2825 /* 'Sample Clock Source' complies with the alsa control naming scheme */
2826 HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),
2827
2828 HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
2829 HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
2830 HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
2831 HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
2832 /* 'External Rate' complies with the alsa control naming scheme */
2833 HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
2834 HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
2835 /* HDSPM_AES_SYNC_CHECK("AES Lock Status", 0),*/ /* created in snd_hdspm_create_controls() */
2836 HDSPM_LINE_OUT("Line Out", 0),
2837 HDSPM_EMPHASIS("Emphasis", 0),
2838 HDSPM_DOLBY("Non Audio", 0),
2839 HDSPM_PROFESSIONAL("Professional", 0),
2840 HDSPM_C_TMS("Clear Track Marker", 0),
2841 HDSPM_DS_WIRE("Double Speed Wire Mode", 0),
2842 HDSPM_QS_WIRE("Quad Speed Wire Mode", 0),
2843 };
2844
2845 static struct snd_kcontrol_new snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
2846
2847
2848 static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm)
2849 {
2850 int i;
2851
2852 for (i = hdspm->ds_channels; i < hdspm->ss_channels; ++i) {
2853 if (hdspm->system_sample_rate > 48000) {
2854 hdspm->playback_mixer_ctls[i]->vd[0].access =
2855 SNDRV_CTL_ELEM_ACCESS_INACTIVE |
2856 SNDRV_CTL_ELEM_ACCESS_READ |
2857 SNDRV_CTL_ELEM_ACCESS_VOLATILE;
2858 } else {
2859 hdspm->playback_mixer_ctls[i]->vd[0].access =
2860 SNDRV_CTL_ELEM_ACCESS_READWRITE |
2861 SNDRV_CTL_ELEM_ACCESS_VOLATILE;
2862 }
2863 snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
2864 SNDRV_CTL_EVENT_MASK_INFO,
2865 &hdspm->playback_mixer_ctls[i]->id);
2866 }
2867
2868 return 0;
2869 }
2870
2871
2872 static int snd_hdspm_create_controls(struct snd_card *card, struct hdspm * hdspm)
2873 {
2874 unsigned int idx, limit;
2875 int err;
2876 struct snd_kcontrol *kctl;
2877
2878 /* add control list first */
2879 if (hdspm->is_aes32) {
2880 struct snd_kcontrol_new aes_sync_ctl =
2881 HDSPM_AES_SYNC_CHECK("AES Lock Status", 0);
2882
2883 for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls_aes32);
2884 idx++) {
2885 err = snd_ctl_add(card,
2886 snd_ctl_new1(&snd_hdspm_controls_aes32[idx],
2887 hdspm));
2888 if (err < 0)
2889 return err;
2890 }
2891 for (idx = 1; idx <= 8; idx++) {
2892 aes_sync_ctl.index = idx;
2893 err = snd_ctl_add(card,
2894 snd_ctl_new1(&aes_sync_ctl, hdspm));
2895 if (err < 0)
2896 return err;
2897 }
2898 } else {
2899 for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls_madi);
2900 idx++) {
2901 err = snd_ctl_add(card,
2902 snd_ctl_new1(&snd_hdspm_controls_madi[idx],
2903 hdspm));
2904 if (err < 0)
2905 return err;
2906 }
2907 }
2908
2909 /* Channel playback mixer as default control
2910 Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders,
2911 thats too * big for any alsamixer they are accesible via special
2912 IOCTL on hwdep and the mixer 2dimensional mixer control
2913 */
2914
2915 snd_hdspm_playback_mixer.name = "Chn";
2916 limit = HDSPM_MAX_CHANNELS;
2917
2918 /* The index values are one greater than the channel ID so that
2919 * alsamixer will display them correctly. We want to use the index
2920 * for fast lookup of the relevant channel, but if we use it at all,
2921 * most ALSA software does the wrong thing with it ...
2922 */
2923
2924 for (idx = 0; idx < limit; ++idx) {
2925 snd_hdspm_playback_mixer.index = idx + 1;
2926 kctl = snd_ctl_new1(&snd_hdspm_playback_mixer, hdspm);
2927 err = snd_ctl_add(card, kctl);
2928 if (err < 0)
2929 return err;
2930 hdspm->playback_mixer_ctls[idx] = kctl;
2931 }
2932
2933 return 0;
2934 }
2935
2936 /*------------------------------------------------------------
2937 /proc interface
2938 ------------------------------------------------------------*/
2939
2940 static void
2941 snd_hdspm_proc_read_madi(struct snd_info_entry * entry,
2942 struct snd_info_buffer *buffer)
2943 {
2944 struct hdspm *hdspm = entry->private_data;
2945 unsigned int status;
2946 unsigned int status2;
2947 char *pref_sync_ref;
2948 char *autosync_ref;
2949 char *system_clock_mode;
2950 char *clock_source;
2951 char *insel;
2952 char *syncref;
2953 int x, x2;
2954
2955 status = hdspm_read(hdspm, HDSPM_statusRegister);
2956 status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
2957
2958 snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
2959 hdspm->card_name, hdspm->card->number + 1,
2960 hdspm->firmware_rev,
2961 (status2 & HDSPM_version0) |
2962 (status2 & HDSPM_version1) | (status2 &
2963 HDSPM_version2));
2964
2965 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
2966 hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
2967
2968 snd_iprintf(buffer, "--- System ---\n");
2969
2970 snd_iprintf(buffer,
2971 "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
2972 status & HDSPM_audioIRQPending,
2973 (status & HDSPM_midi0IRQPending) ? 1 : 0,
2974 (status & HDSPM_midi1IRQPending) ? 1 : 0,
2975 hdspm->irq_count);
2976 snd_iprintf(buffer,
2977 "HW pointer: id = %d, rawptr = %d (%d->%d) "
2978 "estimated= %ld (bytes)\n",
2979 ((status & HDSPM_BufferID) ? 1 : 0),
2980 (status & HDSPM_BufferPositionMask),
2981 (status & HDSPM_BufferPositionMask) %
2982 (2 * (int)hdspm->period_bytes),
2983 ((status & HDSPM_BufferPositionMask) - 64) %
2984 (2 * (int)hdspm->period_bytes),
2985 (long) hdspm_hw_pointer(hdspm) * 4);
2986
2987 snd_iprintf(buffer,
2988 "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
2989 hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
2990 hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
2991 hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
2992 hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
2993 snd_iprintf(buffer,
2994 "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
2995 "status2=0x%x\n",
2996 hdspm->control_register, hdspm->control2_register,
2997 status, status2);
2998
2999 snd_iprintf(buffer, "--- Settings ---\n");
3000
3001 x = 1 << (6 + hdspm_decode_latency(hdspm->control_register &
3002 HDSPM_LatencyMask));
3003
3004 snd_iprintf(buffer,
3005 "Size (Latency): %d samples (2 periods of %lu bytes)\n",
3006 x, (unsigned long) hdspm->period_bytes);
3007
3008 snd_iprintf(buffer, "Line out: %s, Precise Pointer: %s\n",
3009 (hdspm->control_register & HDSPM_LineOut) ? "on " : "off",
3010 (hdspm->precise_ptr) ? "on" : "off");
3011
3012 switch (hdspm->control_register & HDSPM_InputMask) {
3013 case HDSPM_InputOptical:
3014 insel = "Optical";
3015 break;
3016 case HDSPM_InputCoaxial:
3017 insel = "Coaxial";
3018 break;
3019 default:
3020 insel = "Unkown";
3021 }
3022
3023 switch (hdspm->control_register & HDSPM_SyncRefMask) {
3024 case HDSPM_SyncRef_Word:
3025 syncref = "WordClock";
3026 break;
3027 case HDSPM_SyncRef_MADI:
3028 syncref = "MADI";
3029 break;
3030 default:
3031 syncref = "Unkown";
3032 }
3033 snd_iprintf(buffer, "Inputsel = %s, SyncRef = %s\n", insel,
3034 syncref);
3035
3036 snd_iprintf(buffer,
3037 "ClearTrackMarker = %s, Transmit in %s Channel Mode, "
3038 "Auto Input %s\n",
3039 (hdspm->
3040 control_register & HDSPM_clr_tms) ? "on" : "off",
3041 (hdspm->
3042 control_register & HDSPM_TX_64ch) ? "64" : "56",
3043 (hdspm->
3044 control_register & HDSPM_AutoInp) ? "on" : "off");
3045
3046 switch (hdspm_clock_source(hdspm)) {
3047 case HDSPM_CLOCK_SOURCE_AUTOSYNC:
3048 clock_source = "AutoSync";
3049 break;
3050 case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
3051 clock_source = "Internal 32 kHz";
3052 break;
3053 case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
3054 clock_source = "Internal 44.1 kHz";
3055 break;
3056 case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
3057 clock_source = "Internal 48 kHz";
3058 break;
3059 case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
3060 clock_source = "Internal 64 kHz";
3061 break;
3062 case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
3063 clock_source = "Internal 88.2 kHz";
3064 break;
3065 case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
3066 clock_source = "Internal 96 kHz";
3067 break;
3068 default:
3069 clock_source = "Error";
3070 }
3071 snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
3072 if (!(hdspm->control_register & HDSPM_ClockModeMaster))
3073 system_clock_mode = "Slave";
3074 else
3075 system_clock_mode = "Master";
3076 snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);
3077
3078 switch (hdspm_pref_sync_ref(hdspm)) {
3079 case HDSPM_SYNC_FROM_WORD:
3080 pref_sync_ref = "Word Clock";
3081 break;
3082 case HDSPM_SYNC_FROM_MADI:
3083 pref_sync_ref = "MADI Sync";
3084 break;
3085 default:
3086 pref_sync_ref = "XXXX Clock";
3087 break;
3088 }
3089 snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
3090 pref_sync_ref);
3091
3092 snd_iprintf(buffer, "System Clock Frequency: %d\n",
3093 hdspm->system_sample_rate);
3094
3095
3096 snd_iprintf(buffer, "--- Status:\n");
3097
3098 x = status & HDSPM_madiSync;
3099 x2 = status2 & HDSPM_wcSync;
3100
3101 snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
3102 (status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
3103 "NoLock",
3104 (status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
3105 "NoLock");
3106
3107 switch (hdspm_autosync_ref(hdspm)) {
3108 case HDSPM_AUTOSYNC_FROM_WORD:
3109 autosync_ref = "Word Clock";
3110 break;
3111 case HDSPM_AUTOSYNC_FROM_MADI:
3112 autosync_ref = "MADI Sync";
3113 break;
3114 case HDSPM_AUTOSYNC_FROM_NONE:
3115 autosync_ref = "Input not valid";
3116 break;
3117 default:
3118 autosync_ref = "---";
3119 break;
3120 }
3121 snd_iprintf(buffer,
3122 "AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
3123 autosync_ref, hdspm_external_sample_rate(hdspm),
3124 (status & HDSPM_madiFreqMask) >> 22,
3125 (status2 & HDSPM_wcFreqMask) >> 5);
3126
3127 snd_iprintf(buffer, "Input: %s, Mode=%s\n",
3128 (status & HDSPM_AB_int) ? "Coax" : "Optical",
3129 (status & HDSPM_RX_64ch) ? "64 channels" :
3130 "56 channels");
3131
3132 snd_iprintf(buffer, "\n");
3133 }
3134
3135 static void
3136 snd_hdspm_proc_read_aes32(struct snd_info_entry * entry,
3137 struct snd_info_buffer *buffer)
3138 {
3139 struct hdspm *hdspm = entry->private_data;
3140 unsigned int status;
3141 unsigned int status2;
3142 unsigned int timecode;
3143 int pref_syncref;
3144 char *autosync_ref;
3145 char *system_clock_mode;
3146 char *clock_source;
3147 int x;
3148
3149 status = hdspm_read(hdspm, HDSPM_statusRegister);
3150 status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
3151 timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
3152
3153 snd_iprintf(buffer, "%s (Card #%d) Rev.%x\n",
3154 hdspm->card_name, hdspm->card->number + 1,
3155 hdspm->firmware_rev);
3156
3157 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
3158 hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
3159
3160 snd_iprintf(buffer, "--- System ---\n");
3161
3162 snd_iprintf(buffer,
3163 "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
3164 status & HDSPM_audioIRQPending,
3165 (status & HDSPM_midi0IRQPending) ? 1 : 0,
3166 (status & HDSPM_midi1IRQPending) ? 1 : 0,
3167 hdspm->irq_count);
3168 snd_iprintf(buffer,
3169 "HW pointer: id = %d, rawptr = %d (%d->%d) "
3170 "estimated= %ld (bytes)\n",
3171 ((status & HDSPM_BufferID) ? 1 : 0),
3172 (status & HDSPM_BufferPositionMask),
3173 (status & HDSPM_BufferPositionMask) %
3174 (2 * (int)hdspm->period_bytes),
3175 ((status & HDSPM_BufferPositionMask) - 64) %
3176 (2 * (int)hdspm->period_bytes),
3177 (long) hdspm_hw_pointer(hdspm) * 4);
3178
3179 snd_iprintf(buffer,
3180 "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
3181 hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
3182 hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
3183 hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
3184 hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
3185 snd_iprintf(buffer,
3186 "Register: ctrl1=0x%x, status1=0x%x, status2=0x%x, "
3187 "timecode=0x%x\n",
3188 hdspm->control_register,
3189 status, status2, timecode);
3190
3191 snd_iprintf(buffer, "--- Settings ---\n");
3192
3193 x = 1 << (6 + hdspm_decode_latency(hdspm->control_register &
3194 HDSPM_LatencyMask));
3195
3196 snd_iprintf(buffer,
3197 "Size (Latency): %d samples (2 periods of %lu bytes)\n",
3198 x, (unsigned long) hdspm->period_bytes);
3199
3200 snd_iprintf(buffer, "Line out: %s, Precise Pointer: %s\n",
3201 (hdspm->
3202 control_register & HDSPM_LineOut) ? "on " : "off",
3203 (hdspm->precise_ptr) ? "on" : "off");
3204
3205 snd_iprintf(buffer,
3206 "ClearTrackMarker %s, Emphasis %s, Dolby %s\n",
3207 (hdspm->
3208 control_register & HDSPM_clr_tms) ? "on" : "off",
3209 (hdspm->
3210 control_register & HDSPM_Emphasis) ? "on" : "off",
3211 (hdspm->
3212 control_register & HDSPM_Dolby) ? "on" : "off");
3213
3214 switch (hdspm_clock_source(hdspm)) {
3215 case HDSPM_CLOCK_SOURCE_AUTOSYNC:
3216 clock_source = "AutoSync";
3217 break;
3218 case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
3219 clock_source = "Internal 32 kHz";
3220 break;
3221 case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
3222 clock_source = "Internal 44.1 kHz";
3223 break;
3224 case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
3225 clock_source = "Internal 48 kHz";
3226 break;
3227 case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
3228 clock_source = "Internal 64 kHz";
3229 break;
3230 case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
3231 clock_source = "Internal 88.2 kHz";
3232 break;
3233 case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
3234 clock_source = "Internal 96 kHz";
3235 break;
3236 case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
3237 clock_source = "Internal 128 kHz";
3238 break;
3239 case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
3240 clock_source = "Internal 176.4 kHz";
3241 break;
3242 case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
3243 clock_source = "Internal 192 kHz";
3244 break;
3245 default:
3246 clock_source = "Error";
3247 }
3248 snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
3249 if (!(hdspm->control_register & HDSPM_ClockModeMaster))
3250 system_clock_mode = "Slave";
3251 else
3252 system_clock_mode = "Master";
3253 snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);
3254
3255 pref_syncref = hdspm_pref_sync_ref(hdspm);
3256 if (pref_syncref == 0)
3257 snd_iprintf(buffer, "Preferred Sync Reference: Word Clock\n");
3258 else
3259 snd_iprintf(buffer, "Preferred Sync Reference: AES%d\n",
3260 pref_syncref);
3261
3262 snd_iprintf(buffer, "System Clock Frequency: %d\n",
3263 hdspm->system_sample_rate);
3264
3265 snd_iprintf(buffer, "Double speed: %s\n",
3266 hdspm->control_register & HDSPM_DS_DoubleWire?
3267 "Double wire" : "Single wire");
3268 snd_iprintf(buffer, "Quad speed: %s\n",
3269 hdspm->control_register & HDSPM_QS_DoubleWire?
3270 "Double wire" :
3271 hdspm->control_register & HDSPM_QS_QuadWire?
3272 "Quad wire" : "Single wire");
3273
3274 snd_iprintf(buffer, "--- Status:\n");
3275
3276 snd_iprintf(buffer, "Word: %s Frequency: %d\n",
3277 (status & HDSPM_AES32_wcLock)? "Sync " : "No Lock",
3278 HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));
3279
3280 for (x = 0; x < 8; x++) {
3281 snd_iprintf(buffer, "AES%d: %s Frequency: %d\n",
3282 x+1,
3283 (status2 & (HDSPM_LockAES >> x)) ?
3284 "Sync ": "No Lock",
3285 HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
3286 }
3287
3288 switch (hdspm_autosync_ref(hdspm)) {
3289 case HDSPM_AES32_AUTOSYNC_FROM_NONE: autosync_ref="None"; break;
3290 case HDSPM_AES32_AUTOSYNC_FROM_WORD: autosync_ref="Word Clock"; break;
3291 case HDSPM_AES32_AUTOSYNC_FROM_AES1: autosync_ref="AES1"; break;
3292 case HDSPM_AES32_AUTOSYNC_FROM_AES2: autosync_ref="AES2"; break;
3293 case HDSPM_AES32_AUTOSYNC_FROM_AES3: autosync_ref="AES3"; break;
3294 case HDSPM_AES32_AUTOSYNC_FROM_AES4: autosync_ref="AES4"; break;
3295 case HDSPM_AES32_AUTOSYNC_FROM_AES5: autosync_ref="AES5"; break;
3296 case HDSPM_AES32_AUTOSYNC_FROM_AES6: autosync_ref="AES6"; break;
3297 case HDSPM_AES32_AUTOSYNC_FROM_AES7: autosync_ref="AES7"; break;
3298 case HDSPM_AES32_AUTOSYNC_FROM_AES8: autosync_ref="AES8"; break;
3299 default: autosync_ref = "---"; break;
3300 }
3301 snd_iprintf(buffer, "AutoSync ref = %s\n", autosync_ref);
3302
3303 snd_iprintf(buffer, "\n");
3304 }
3305
3306 #ifdef CONFIG_SND_DEBUG
3307 static void
3308 snd_hdspm_proc_read_debug(struct snd_info_entry * entry,
3309 struct snd_info_buffer *buffer)
3310 {
3311 struct hdspm *hdspm = entry->private_data;
3312
3313 int j,i;
3314
3315 for (i = 0; i < 256 /* 1024*64 */; i += j) {
3316 snd_iprintf(buffer, "0x%08X: ", i);
3317 for (j = 0; j < 16; j += 4)
3318 snd_iprintf(buffer, "%08X ", hdspm_read(hdspm, i + j));
3319 snd_iprintf(buffer, "\n");
3320 }
3321 }
3322 #endif
3323
3324
3325
3326 static void __devinit snd_hdspm_proc_init(struct hdspm * hdspm)
3327 {
3328 struct snd_info_entry *entry;
3329
3330 if (!snd_card_proc_new(hdspm->card, "hdspm", &entry))
3331 snd_info_set_text_ops(entry, hdspm,
3332 hdspm->is_aes32 ?
3333 snd_hdspm_proc_read_aes32 :
3334 snd_hdspm_proc_read_madi);
3335 #ifdef CONFIG_SND_DEBUG
3336 /* debug file to read all hdspm registers */
3337 if (!snd_card_proc_new(hdspm->card, "debug", &entry))
3338 snd_info_set_text_ops(entry, hdspm,
3339 snd_hdspm_proc_read_debug);
3340 #endif
3341 }
3342
3343 /*------------------------------------------------------------
3344 hdspm intitialize
3345 ------------------------------------------------------------*/
3346
3347 static int snd_hdspm_set_defaults(struct hdspm * hdspm)
3348 {
3349 unsigned int i;
3350
3351 /* ASSUMPTION: hdspm->lock is either held, or there is no need to
3352 hold it (e.g. during module initialization).
3353 */
3354
3355 /* set defaults: */
3356
3357 if (hdspm->is_aes32)
3358 hdspm->control_register =
3359 HDSPM_ClockModeMaster | /* Master Cloack Mode on */
3360 hdspm_encode_latency(7) | /* latency maximum =
3361 * 8192 samples
3362 */
3363 HDSPM_SyncRef0 | /* AES1 is syncclock */
3364 HDSPM_LineOut | /* Analog output in */
3365 HDSPM_Professional; /* Professional mode */
3366 else
3367 hdspm->control_register =
3368 HDSPM_ClockModeMaster | /* Master Cloack Mode on */
3369 hdspm_encode_latency(7) | /* latency maximum =
3370 * 8192 samples
3371 */
3372 HDSPM_InputCoaxial | /* Input Coax not Optical */
3373 HDSPM_SyncRef_MADI | /* Madi is syncclock */
3374 HDSPM_LineOut | /* Analog output in */
3375 HDSPM_TX_64ch | /* transmit in 64ch mode */
3376 HDSPM_AutoInp; /* AutoInput chossing (takeover) */
3377
3378 /* ! HDSPM_Frequency0|HDSPM_Frequency1 = 44.1khz */
3379 /* ! HDSPM_DoubleSpeed HDSPM_QuadSpeed = normal speed */
3380 /* ! HDSPM_clr_tms = do not clear bits in track marks */
3381
3382 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
3383
3384 if (!hdspm->is_aes32) {
3385 /* No control2 register for AES32 */
3386 #ifdef SNDRV_BIG_ENDIAN
3387 hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
3388 #else
3389 hdspm->control2_register = 0;
3390 #endif
3391
3392 hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
3393 }
3394 hdspm_compute_period_size(hdspm);
3395
3396 /* silence everything */
3397
3398 all_in_all_mixer(hdspm, 0 * UNITY_GAIN);
3399
3400 if (line_outs_monitor[hdspm->dev]) {
3401
3402 snd_printk(KERN_INFO "HDSPM: "
3403 "sending all playback streams to line outs.\n");
3404
3405 for (i = 0; i < HDSPM_MIXER_CHANNELS; i++) {
3406 if (hdspm_write_pb_gain(hdspm, i, i, UNITY_GAIN))
3407 return -EIO;
3408 }
3409 }
3410
3411 /* set a default rate so that the channel map is set up. */
3412 hdspm->channel_map = channel_map_madi_ss;
3413 hdspm_set_rate(hdspm, 44100, 1);
3414
3415 return 0;
3416 }
3417
3418
3419 /*------------------------------------------------------------
3420 interrupt
3421 ------------------------------------------------------------*/
3422
3423 static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id)
3424 {
3425 struct hdspm *hdspm = (struct hdspm *) dev_id;
3426 unsigned int status;
3427 int audio;
3428 int midi0;
3429 int midi1;
3430 unsigned int midi0status;
3431 unsigned int midi1status;
3432 int schedule = 0;
3433
3434 status = hdspm_read(hdspm, HDSPM_statusRegister);
3435
3436 audio = status & HDSPM_audioIRQPending;
3437 midi0 = status & HDSPM_midi0IRQPending;
3438 midi1 = status & HDSPM_midi1IRQPending;
3439
3440 if (!audio && !midi0 && !midi1)
3441 return IRQ_NONE;
3442
3443 hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
3444 hdspm->irq_count++;
3445
3446 midi0status = hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff;
3447 midi1status = hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff;
3448
3449 if (audio) {
3450
3451 if (hdspm->capture_substream)
3452 snd_pcm_period_elapsed(hdspm->capture_substream);
3453
3454 if (hdspm->playback_substream)
3455 snd_pcm_period_elapsed(hdspm->playback_substream);
3456 }
3457
3458 if (midi0 && midi0status) {
3459 /* we disable interrupts for this input until processing
3460 * is done
3461 */
3462 hdspm->control_register &= ~HDSPM_Midi0InterruptEnable;
3463 hdspm_write(hdspm, HDSPM_controlRegister,
3464 hdspm->control_register);
3465 hdspm->midi[0].pending = 1;
3466 schedule = 1;
3467 }
3468 if (midi1 && midi1status) {
3469 /* we disable interrupts for this input until processing
3470 * is done
3471 */
3472 hdspm->control_register &= ~HDSPM_Midi1InterruptEnable;
3473 hdspm_write(hdspm, HDSPM_controlRegister,
3474 hdspm->control_register);
3475 hdspm->midi[1].pending = 1;
3476 schedule = 1;
3477 }
3478 if (schedule)
3479 tasklet_schedule(&hdspm->midi_tasklet);
3480 return IRQ_HANDLED;
3481 }
3482
3483 /*------------------------------------------------------------
3484 pcm interface
3485 ------------------------------------------------------------*/
3486
3487
3488 static snd_pcm_uframes_t snd_hdspm_hw_pointer(struct snd_pcm_substream *
3489 substream)
3490 {
3491 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3492 return hdspm_hw_pointer(hdspm);
3493 }
3494
3495 static char *hdspm_channel_buffer_location(struct hdspm * hdspm,
3496 int stream, int channel)
3497 {
3498 int mapped_channel;
3499
3500 if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
3501 return NULL;
3502
3503 mapped_channel = hdspm->channel_map[channel];
3504 if (mapped_channel < 0)
3505 return NULL;
3506
3507 if (stream == SNDRV_PCM_STREAM_CAPTURE)
3508 return hdspm->capture_buffer +
3509 mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
3510 else
3511 return hdspm->playback_buffer +
3512 mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
3513 }
3514
3515
3516 /* dont know why need it ??? */
3517 static int snd_hdspm_playback_copy(struct snd_pcm_substream *substream,
3518 int channel, snd_pcm_uframes_t pos,
3519 void __user *src, snd_pcm_uframes_t count)
3520 {
3521 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3522 char *channel_buf;
3523
3524 if (snd_BUG_ON(pos + count > HDSPM_CHANNEL_BUFFER_BYTES / 4))
3525 return -EINVAL;
3526
3527 channel_buf =
3528 hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
3529 channel);
3530
3531 if (snd_BUG_ON(!channel_buf))
3532 return -EIO;
3533
3534 return copy_from_user(channel_buf + pos * 4, src, count * 4);
3535 }
3536
3537 static int snd_hdspm_capture_copy(struct snd_pcm_substream *substream,
3538 int channel, snd_pcm_uframes_t pos,
3539 void __user *dst, snd_pcm_uframes_t count)
3540 {
3541 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3542 char *channel_buf;
3543
3544 if (snd_BUG_ON(pos + count > HDSPM_CHANNEL_BUFFER_BYTES / 4))
3545 return -EINVAL;
3546
3547 channel_buf =
3548 hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
3549 channel);
3550 if (snd_BUG_ON(!channel_buf))
3551 return -EIO;
3552 return copy_to_user(dst, channel_buf + pos * 4, count * 4);
3553 }
3554
3555 static int snd_hdspm_hw_silence(struct snd_pcm_substream *substream,
3556 int channel, snd_pcm_uframes_t pos,
3557 snd_pcm_uframes_t count)
3558 {
3559 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3560 char *channel_buf;
3561
3562 channel_buf =
3563 hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
3564 channel);
3565 if (snd_BUG_ON(!channel_buf))
3566 return -EIO;
3567 memset(channel_buf + pos * 4, 0, count * 4);
3568 return 0;
3569 }
3570
3571 static int snd_hdspm_reset(struct snd_pcm_substream *substream)
3572 {
3573 struct snd_pcm_runtime *runtime = substream->runtime;
3574 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3575 struct snd_pcm_substream *other;
3576
3577 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3578 other = hdspm->capture_substream;
3579 else
3580 other = hdspm->playback_substream;
3581
3582 if (hdspm->running)
3583 runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
3584 else
3585 runtime->status->hw_ptr = 0;
3586 if (other) {
3587 struct snd_pcm_substream *s;
3588 struct snd_pcm_runtime *oruntime = other->runtime;
3589 snd_pcm_group_for_each_entry(s, substream) {
3590 if (s == other) {
3591 oruntime->status->hw_ptr =
3592 runtime->status->hw_ptr;
3593 break;
3594 }
3595 }
3596 }
3597 return 0;
3598 }
3599
3600 static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
3601 struct snd_pcm_hw_params *params)
3602 {
3603 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3604 int err;
3605 int i;
3606 pid_t this_pid;
3607 pid_t other_pid;
3608
3609 spin_lock_irq(&hdspm->lock);
3610
3611 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3612 this_pid = hdspm->playback_pid;
3613 other_pid = hdspm->capture_pid;
3614 } else {
3615 this_pid = hdspm->capture_pid;
3616 other_pid = hdspm->playback_pid;
3617 }
3618
3619 if (other_pid > 0 && this_pid != other_pid) {
3620
3621 /* The other stream is open, and not by the same
3622 task as this one. Make sure that the parameters
3623 that matter are the same.
3624 */
3625
3626 if (params_rate(params) != hdspm->system_sample_rate) {
3627 spin_unlock_irq(&hdspm->lock);
3628 _snd_pcm_hw_param_setempty(params,
3629 SNDRV_PCM_HW_PARAM_RATE);
3630 return -EBUSY;
3631 }
3632
3633 if (params_period_size(params) != hdspm->period_bytes / 4) {
3634 spin_unlock_irq(&hdspm->lock);
3635 _snd_pcm_hw_param_setempty(params,
3636 SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3637 return -EBUSY;
3638 }
3639
3640 }
3641 /* We're fine. */
3642 spin_unlock_irq(&hdspm->lock);
3643
3644 /* how to make sure that the rate matches an externally-set one ? */
3645
3646 spin_lock_irq(&hdspm->lock);
3647 err = hdspm_set_rate(hdspm, params_rate(params), 0);
3648 if (err < 0) {
3649 spin_unlock_irq(&hdspm->lock);
3650 _snd_pcm_hw_param_setempty(params,
3651 SNDRV_PCM_HW_PARAM_RATE);
3652 return err;
3653 }
3654 spin_unlock_irq(&hdspm->lock);
3655
3656 err = hdspm_set_interrupt_interval(hdspm,
3657 params_period_size(params));
3658 if (err < 0) {
3659 _snd_pcm_hw_param_setempty(params,
3660 SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3661 return err;
3662 }
3663
3664 /* Memory allocation, takashi's method, dont know if we should
3665 * spinlock
3666 */
3667 /* malloc all buffer even if not enabled to get sure */
3668 /* Update for MADI rev 204: we need to allocate for all channels,
3669 * otherwise it doesn't work at 96kHz */
3670 err =
3671 snd_pcm_lib_malloc_pages(substream, HDSPM_DMA_AREA_BYTES);
3672 if (err < 0)
3673 return err;
3674
3675 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3676
3677 hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferOut,
3678 params_channels(params));
3679
3680 for (i = 0; i < params_channels(params); ++i)
3681 snd_hdspm_enable_out(hdspm, i, 1);
3682
3683 hdspm->playback_buffer =
3684 (unsigned char *) substream->runtime->dma_area;
3685 snd_printdd("Allocated sample buffer for playback at %p\n",
3686 hdspm->playback_buffer);
3687 } else {
3688 hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferIn,
3689 params_channels(params));
3690
3691 for (i = 0; i < params_channels(params); ++i)
3692 snd_hdspm_enable_in(hdspm, i, 1);
3693
3694 hdspm->capture_buffer =
3695 (unsigned char *) substream->runtime->dma_area;
3696 snd_printdd("Allocated sample buffer for capture at %p\n",
3697 hdspm->capture_buffer);
3698 }
3699 /*
3700 snd_printdd("Allocated sample buffer for %s at 0x%08X\n",
3701 substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
3702 "playback" : "capture",
3703 snd_pcm_sgbuf_get_addr(substream, 0));
3704 */
3705 /*
3706 snd_printdd("set_hwparams: %s %d Hz, %d channels, bs = %d\n",
3707 substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
3708 "playback" : "capture",
3709 params_rate(params), params_channels(params),
3710 params_buffer_size(params));
3711 */
3712 return 0;
3713 }
3714
3715 static int snd_hdspm_hw_free(struct snd_pcm_substream *substream)
3716 {
3717 int i;
3718 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3719
3720 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3721
3722 /* params_channels(params) should be enough,
3723 but to get sure in case of error */
3724 for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
3725 snd_hdspm_enable_out(hdspm, i, 0);
3726
3727 hdspm->playback_buffer = NULL;
3728 } else {
3729 for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
3730 snd_hdspm_enable_in(hdspm, i, 0);
3731
3732 hdspm->capture_buffer = NULL;
3733
3734 }
3735
3736 snd_pcm_lib_free_pages(substream);
3737
3738 return 0;
3739 }
3740
3741 static int snd_hdspm_channel_info(struct snd_pcm_substream *substream,
3742 struct snd_pcm_channel_info * info)
3743 {
3744 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3745 int mapped_channel;
3746
3747 if (snd_BUG_ON(info->channel >= HDSPM_MAX_CHANNELS))
3748 return -EINVAL;
3749
3750 mapped_channel = hdspm->channel_map[info->channel];
3751 if (mapped_channel < 0)
3752 return -EINVAL;
3753
3754 info->offset = mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
3755 info->first = 0;
3756 info->step = 32;
3757 return 0;
3758 }
3759
3760 static int snd_hdspm_ioctl(struct snd_pcm_substream *substream,
3761 unsigned int cmd, void *arg)
3762 {
3763 switch (cmd) {
3764 case SNDRV_PCM_IOCTL1_RESET:
3765 return snd_hdspm_reset(substream);
3766
3767 case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
3768 {
3769 struct snd_pcm_channel_info *info = arg;
3770 return snd_hdspm_channel_info(substream, info);
3771 }
3772 default:
3773 break;
3774 }
3775
3776 return snd_pcm_lib_ioctl(substream, cmd, arg);
3777 }
3778
3779 static int snd_hdspm_trigger(struct snd_pcm_substream *substream, int cmd)
3780 {
3781 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3782 struct snd_pcm_substream *other;
3783 int running;
3784
3785 spin_lock(&hdspm->lock);
3786 running = hdspm->running;
3787 switch (cmd) {
3788 case SNDRV_PCM_TRIGGER_START:
3789 running |= 1 << substream->stream;
3790 break;
3791 case SNDRV_PCM_TRIGGER_STOP:
3792 running &= ~(1 << substream->stream);
3793 break;
3794 default:
3795 snd_BUG();
3796 spin_unlock(&hdspm->lock);
3797 return -EINVAL;
3798 }
3799 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3800 other = hdspm->capture_substream;
3801 else
3802 other = hdspm->playback_substream;
3803
3804 if (other) {
3805 struct snd_pcm_substream *s;
3806 snd_pcm_group_for_each_entry(s, substream) {
3807 if (s == other) {
3808 snd_pcm_trigger_done(s, substream);
3809 if (cmd == SNDRV_PCM_TRIGGER_START)
3810 running |= 1 << s->stream;
3811 else
3812 running &= ~(1 << s->stream);
3813 goto _ok;
3814 }
3815 }
3816 if (cmd == SNDRV_PCM_TRIGGER_START) {
3817 if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK))
3818 && substream->stream ==
3819 SNDRV_PCM_STREAM_CAPTURE)
3820 hdspm_silence_playback(hdspm);
3821 } else {
3822 if (running &&
3823 substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3824 hdspm_silence_playback(hdspm);
3825 }
3826 } else {
3827 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
3828 hdspm_silence_playback(hdspm);
3829 }
3830 _ok:
3831 snd_pcm_trigger_done(substream, substream);
3832 if (!hdspm->running && running)
3833 hdspm_start_audio(hdspm);
3834 else if (hdspm->running && !running)
3835 hdspm_stop_audio(hdspm);
3836 hdspm->running = running;
3837 spin_unlock(&hdspm->lock);
3838
3839 return 0;
3840 }
3841
3842 static int snd_hdspm_prepare(struct snd_pcm_substream *substream)
3843 {
3844 return 0;
3845 }
3846
3847 static unsigned int period_sizes[] =
3848 { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
3849
3850 static struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
3851 .info = (SNDRV_PCM_INFO_MMAP |
3852 SNDRV_PCM_INFO_MMAP_VALID |
3853 SNDRV_PCM_INFO_NONINTERLEAVED |
3854 SNDRV_PCM_INFO_SYNC_START | SNDRV_PCM_INFO_DOUBLE),
3855 .formats = SNDRV_PCM_FMTBIT_S32_LE,
3856 .rates = (SNDRV_PCM_RATE_32000 |
3857 SNDRV_PCM_RATE_44100 |
3858 SNDRV_PCM_RATE_48000 |
3859 SNDRV_PCM_RATE_64000 |
3860 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
3861 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 ),
3862 .rate_min = 32000,
3863 .rate_max = 192000,
3864 .channels_min = 1,
3865 .channels_max = HDSPM_MAX_CHANNELS,
3866 .buffer_bytes_max =
3867 HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
3868 .period_bytes_min = (64 * 4),
3869 .period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
3870 .periods_min = 2,
3871 .periods_max = 2,
3872 .fifo_size = 0
3873 };
3874
3875 static struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
3876 .info = (SNDRV_PCM_INFO_MMAP |
3877 SNDRV_PCM_INFO_MMAP_VALID |
3878 SNDRV_PCM_INFO_NONINTERLEAVED |
3879 SNDRV_PCM_INFO_SYNC_START),
3880 .formats = SNDRV_PCM_FMTBIT_S32_LE,
3881 .rates = (SNDRV_PCM_RATE_32000 |
3882 SNDRV_PCM_RATE_44100 |
3883 SNDRV_PCM_RATE_48000 |
3884 SNDRV_PCM_RATE_64000 |
3885 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
3886 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000),
3887 .rate_min = 32000,
3888 .rate_max = 192000,
3889 .channels_min = 1,
3890 .channels_max = HDSPM_MAX_CHANNELS,
3891 .buffer_bytes_max =
3892 HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
3893 .period_bytes_min = (64 * 4),
3894 .period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
3895 .periods_min = 2,
3896 .periods_max = 2,
3897 .fifo_size = 0
3898 };
3899
3900 static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
3901 .count = ARRAY_SIZE(period_sizes),
3902 .list = period_sizes,
3903 .mask = 0
3904 };
3905
3906
3907 static int snd_hdspm_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
3908 struct snd_pcm_hw_rule * rule)
3909 {
3910 struct hdspm *hdspm = rule->private;
3911 struct snd_interval *c =
3912 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3913 struct snd_interval *r =
3914 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
3915
3916 if (r->min > 48000 && r->max <= 96000) {
3917 struct snd_interval t = {
3918 .min = hdspm->ds_channels,
3919 .max = hdspm->ds_channels,
3920 .integer = 1,
3921 };
3922 return snd_interval_refine(c, &t);
3923 } else if (r->max < 64000) {
3924 struct snd_interval t = {
3925 .min = hdspm->ss_channels,
3926 .max = hdspm->ss_channels,
3927 .integer = 1,
3928 };
3929 return snd_interval_refine(c, &t);
3930 }
3931 return 0;
3932 }
3933
3934 static int snd_hdspm_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
3935 struct snd_pcm_hw_rule * rule)
3936 {
3937 struct hdspm *hdspm = rule->private;
3938 struct snd_interval *c =
3939 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3940 struct snd_interval *r =
3941 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
3942
3943 if (c->min >= hdspm->ss_channels) {
3944 struct snd_interval t = {
3945 .min = 32000,
3946 .max = 48000,
3947 .integer = 1,
3948 };
3949 return snd_interval_refine(r, &t);
3950 } else if (c->max <= hdspm->ds_channels) {
3951 struct snd_interval t = {
3952 .min = 64000,
3953 .max = 96000,
3954 .integer = 1,
3955 };
3956
3957 return snd_interval_refine(r, &t);
3958 }
3959 return 0;
3960 }
3961
3962 static int snd_hdspm_hw_rule_channels(struct snd_pcm_hw_params *params,
3963 struct snd_pcm_hw_rule *rule)
3964 {
3965 unsigned int list[3];
3966 struct hdspm *hdspm = rule->private;
3967 struct snd_interval *c = hw_param_interval(params,
3968 SNDRV_PCM_HW_PARAM_CHANNELS);
3969 if (hdspm->is_aes32) {
3970 list[0] = hdspm->qs_channels;
3971 list[1] = hdspm->ds_channels;
3972 list[2] = hdspm->ss_channels;
3973 return snd_interval_list(c, 3, list, 0);
3974 } else {
3975 list[0] = hdspm->ds_channels;
3976 list[1] = hdspm->ss_channels;
3977 return snd_interval_list(c, 2, list, 0);
3978 }
3979 }
3980
3981
3982 static unsigned int hdspm_aes32_sample_rates[] = {
3983 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000
3984 };
3985
3986 static struct snd_pcm_hw_constraint_list
3987 hdspm_hw_constraints_aes32_sample_rates = {
3988 .count = ARRAY_SIZE(hdspm_aes32_sample_rates),
3989 .list = hdspm_aes32_sample_rates,
3990 .mask = 0
3991 };
3992
3993 static int snd_hdspm_playback_open(struct snd_pcm_substream *substream)
3994 {
3995 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
3996 struct snd_pcm_runtime *runtime = substream->runtime;
3997
3998 spin_lock_irq(&hdspm->lock);
3999
4000 snd_pcm_set_sync(substream);
4001
4002 runtime->hw = snd_hdspm_playback_subinfo;
4003
4004 if (hdspm->capture_substream == NULL)
4005 hdspm_stop_audio(hdspm);
4006
4007 hdspm->playback_pid = current->pid;
4008 hdspm->playback_substream = substream;
4009
4010 spin_unlock_irq(&hdspm->lock);
4011
4012 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4013
4014 snd_pcm_hw_constraint_list(runtime, 0,
4015 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
4016 &hw_constraints_period_sizes);
4017
4018 if (hdspm->is_aes32) {
4019 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4020 &hdspm_hw_constraints_aes32_sample_rates);
4021 } else {
4022 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4023 snd_hdspm_hw_rule_channels, hdspm,
4024 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4025 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4026 snd_hdspm_hw_rule_channels_rate, hdspm,
4027 SNDRV_PCM_HW_PARAM_RATE, -1);
4028
4029 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4030 snd_hdspm_hw_rule_rate_channels, hdspm,
4031 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4032 }
4033 return 0;
4034 }
4035
4036 static int snd_hdspm_playback_release(struct snd_pcm_substream *substream)
4037 {
4038 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
4039
4040 spin_lock_irq(&hdspm->lock);
4041
4042 hdspm->playback_pid = -1;
4043 hdspm->playback_substream = NULL;
4044
4045 spin_unlock_irq(&hdspm->lock);
4046
4047 return 0;
4048 }
4049
4050
4051 static int snd_hdspm_capture_open(struct snd_pcm_substream *substream)
4052 {
4053 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
4054 struct snd_pcm_runtime *runtime = substream->runtime;
4055
4056 spin_lock_irq(&hdspm->lock);
4057 snd_pcm_set_sync(substream);
4058 runtime->hw = snd_hdspm_capture_subinfo;
4059
4060 if (hdspm->playback_substream == NULL)
4061 hdspm_stop_audio(hdspm);
4062
4063 hdspm->capture_pid = current->pid;
4064 hdspm->capture_substream = substream;
4065
4066 spin_unlock_irq(&hdspm->lock);
4067
4068 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4069 snd_pcm_hw_constraint_list(runtime, 0,
4070 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
4071 &hw_constraints_period_sizes);
4072 if (hdspm->is_aes32) {
4073 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4074 &hdspm_hw_constraints_aes32_sample_rates);
4075 } else {
4076 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4077 snd_hdspm_hw_rule_channels, hdspm,
4078 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4079 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4080 snd_hdspm_hw_rule_channels_rate, hdspm,
4081 SNDRV_PCM_HW_PARAM_RATE, -1);
4082
4083 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4084 snd_hdspm_hw_rule_rate_channels, hdspm,
4085 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4086 }
4087 return 0;
4088 }
4089
4090 static int snd_hdspm_capture_release(struct snd_pcm_substream *substream)
4091 {
4092 struct hdspm *hdspm = snd_pcm_substream_chip(substream);
4093
4094 spin_lock_irq(&hdspm->lock);
4095
4096 hdspm->capture_pid = -1;
4097 hdspm->capture_substream = NULL;
4098
4099 spin_unlock_irq(&hdspm->lock);
4100 return 0;
4101 }
4102
4103 static int snd_hdspm_hwdep_ioctl(struct snd_hwdep * hw, struct file *file,
4104 unsigned int cmd, unsigned long arg)
4105 {
4106 struct hdspm *hdspm = hw->private_data;
4107 struct hdspm_mixer_ioctl mixer;
4108 struct hdspm_config_info info;
4109 struct hdspm_version hdspm_version;
4110 struct hdspm_peak_rms_ioctl rms;
4111
4112 switch (cmd) {
4113
4114 case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
4115 if (copy_from_user(&rms, (void __user *)arg, sizeof(rms)))
4116 return -EFAULT;
4117 /* maybe there is a chance to memorymap in future
4118 * so dont touch just copy
4119 */
4120 if(copy_to_user_fromio((void __user *)rms.peak,
4121 hdspm->iobase+HDSPM_MADI_peakrmsbase,
4122 sizeof(struct hdspm_peak_rms)) != 0 )
4123 return -EFAULT;
4124
4125 break;
4126
4127
4128 case SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO:
4129
4130 spin_lock_irq(&hdspm->lock);
4131 info.pref_sync_ref = hdspm_pref_sync_ref(hdspm);
4132 info.wordclock_sync_check = hdspm_wc_sync_check(hdspm);
4133
4134 info.system_sample_rate = hdspm->system_sample_rate;
4135 info.autosync_sample_rate =
4136 hdspm_external_sample_rate(hdspm);
4137 info.system_clock_mode = hdspm_system_clock_mode(hdspm);
4138 info.clock_source = hdspm_clock_source(hdspm);
4139 info.autosync_ref = hdspm_autosync_ref(hdspm);
4140 info.line_out = hdspm_line_out(hdspm);
4141 info.passthru = 0;
4142 spin_unlock_irq(&hdspm->lock);
4143 if (copy_to_user((void __user *) arg, &info, sizeof(info)))
4144 return -EFAULT;
4145 break;
4146
4147 case SNDRV_HDSPM_IOCTL_GET_VERSION:
4148 hdspm_version.firmware_rev = hdspm->firmware_rev;
4149 if (copy_to_user((void __user *) arg, &hdspm_version,
4150 sizeof(hdspm_version)))
4151 return -EFAULT;
4152 break;
4153
4154 case SNDRV_HDSPM_IOCTL_GET_MIXER:
4155 if (copy_from_user(&mixer, (void __user *)arg, sizeof(mixer)))
4156 return -EFAULT;
4157 if (copy_to_user((void __user *)mixer.mixer, hdspm->mixer,
4158 sizeof(struct hdspm_mixer)))
4159 return -EFAULT;
4160 break;
4161
4162 default:
4163 return -EINVAL;
4164 }
4165 return 0;
4166 }
4167
4168 static struct snd_pcm_ops snd_hdspm_playback_ops = {
4169 .open = snd_hdspm_playback_open,
4170 .close = snd_hdspm_playback_release,
4171 .ioctl = snd_hdspm_ioctl,
4172 .hw_params = snd_hdspm_hw_params,
4173 .hw_free = snd_hdspm_hw_free,
4174 .prepare = snd_hdspm_prepare,
4175 .trigger = snd_hdspm_trigger,
4176 .pointer = snd_hdspm_hw_pointer,
4177 .copy = snd_hdspm_playback_copy,
4178 .silence = snd_hdspm_hw_silence,
4179 .page = snd_pcm_sgbuf_ops_page,
4180 };
4181
4182 static struct snd_pcm_ops snd_hdspm_capture_ops = {
4183 .open = snd_hdspm_capture_open,
4184 .close = snd_hdspm_capture_release,
4185 .ioctl = snd_hdspm_ioctl,
4186 .hw_params = snd_hdspm_hw_params,
4187 .hw_free = snd_hdspm_hw_free,
4188 .prepare = snd_hdspm_prepare,
4189 .trigger = snd_hdspm_trigger,
4190 .pointer = snd_hdspm_hw_pointer,
4191 .copy = snd_hdspm_capture_copy,
4192 .page = snd_pcm_sgbuf_ops_page,
4193 };
4194
4195 static int __devinit snd_hdspm_create_hwdep(struct snd_card *card,
4196 struct hdspm * hdspm)
4197 {
4198 struct snd_hwdep *hw;
4199 int err;
4200
4201 err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw);
4202 if (err < 0)
4203 return err;
4204
4205 hdspm->hwdep = hw;
4206 hw->private_data = hdspm;
4207 strcpy(hw->name, "HDSPM hwdep interface");
4208
4209 hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
4210
4211 return 0;
4212 }
4213
4214
4215 /*------------------------------------------------------------
4216 memory interface
4217 ------------------------------------------------------------*/
4218 static int __devinit snd_hdspm_preallocate_memory(struct hdspm * hdspm)
4219 {
4220 int err;
4221 struct snd_pcm *pcm;
4222 size_t wanted;
4223
4224 pcm = hdspm->pcm;
4225
4226 wanted = HDSPM_DMA_AREA_BYTES;
4227
4228 err =
4229 snd_pcm_lib_preallocate_pages_for_all(pcm,
4230 SNDRV_DMA_TYPE_DEV_SG,
4231 snd_dma_pci_data(hdspm->pci),
4232 wanted,
4233 wanted);
4234 if (err < 0) {
4235 snd_printdd("Could not preallocate %zd Bytes\n", wanted);
4236
4237 return err;
4238 } else
4239 snd_printdd(" Preallocated %zd Bytes\n", wanted);
4240
4241 return 0;
4242 }
4243
4244 static void hdspm_set_sgbuf(struct hdspm * hdspm,
4245 struct snd_pcm_substream *substream,
4246 unsigned int reg, int channels)
4247 {
4248 int i;
4249 for (i = 0; i < (channels * 16); i++)
4250 hdspm_write(hdspm, reg + 4 * i,
4251 snd_pcm_sgbuf_get_addr(substream, 4096 * i));
4252 }
4253
4254 /* ------------- ALSA Devices ---------------------------- */
4255 static int __devinit snd_hdspm_create_pcm(struct snd_card *card,
4256 struct hdspm * hdspm)
4257 {
4258 struct snd_pcm *pcm;
4259 int err;
4260
4261 err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm);
4262 if (err < 0)
4263 return err;
4264
4265 hdspm->pcm = pcm;
4266 pcm->private_data = hdspm;
4267 strcpy(pcm->name, hdspm->card_name);
4268
4269 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
4270 &snd_hdspm_playback_ops);
4271 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
4272 &snd_hdspm_capture_ops);
4273
4274 pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
4275
4276 err = snd_hdspm_preallocate_memory(hdspm);
4277 if (err < 0)
4278 return err;
4279
4280 return 0;
4281 }
4282
4283 static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm)
4284 {
4285 snd_hdspm_flush_midi_input(hdspm, 0);
4286 snd_hdspm_flush_midi_input(hdspm, 1);
4287 }
4288
4289 static int __devinit snd_hdspm_create_alsa_devices(struct snd_card *card,
4290 struct hdspm * hdspm)
4291 {
4292 int err;
4293
4294 snd_printdd("Create card...\n");
4295 err = snd_hdspm_create_pcm(card, hdspm);
4296 if (err < 0)
4297 return err;
4298
4299 err = snd_hdspm_create_midi(card, hdspm, 0);
4300 if (err < 0)
4301 return err;
4302
4303 err = snd_hdspm_create_midi(card, hdspm, 1);
4304 if (err < 0)
4305 return err;
4306
4307 err = snd_hdspm_create_controls(card, hdspm);
4308 if (err < 0)
4309 return err;
4310
4311 err = snd_hdspm_create_hwdep(card, hdspm);
4312 if (err < 0)
4313 return err;
4314
4315 snd_printdd("proc init...\n");
4316 snd_hdspm_proc_init(hdspm);
4317
4318 hdspm->system_sample_rate = -1;
4319 hdspm->last_external_sample_rate = -1;
4320 hdspm->last_internal_sample_rate = -1;
4321 hdspm->playback_pid = -1;
4322 hdspm->capture_pid = -1;
4323 hdspm->capture_substream = NULL;
4324 hdspm->playback_substream = NULL;
4325
4326 snd_printdd("Set defaults...\n");
4327 err = snd_hdspm_set_defaults(hdspm);
4328 if (err < 0)
4329 return err;
4330
4331 snd_printdd("Update mixer controls...\n");
4332 hdspm_update_simple_mixer_controls(hdspm);
4333
4334 snd_printdd("Initializeing complete ???\n");
4335
4336 err = snd_card_register(card);
4337 if (err < 0) {
4338 snd_printk(KERN_ERR "HDSPM: error registering card\n");
4339 return err;
4340 }
4341
4342 snd_printdd("... yes now\n");
4343
4344 return 0;
4345 }
4346
4347 static int __devinit snd_hdspm_create(struct snd_card *card,
4348 struct hdspm *hdspm,
4349 int precise_ptr, int enable_monitor)
4350 {
4351 struct pci_dev *pci = hdspm->pci;
4352 int err;
4353 unsigned long io_extent;
4354
4355 hdspm->irq = -1;
4356
4357 spin_lock_init(&hdspm->midi[0].lock);
4358 spin_lock_init(&hdspm->midi[1].lock);
4359
4360 hdspm->card = card;
4361
4362 spin_lock_init(&hdspm->lock);
4363
4364 tasklet_init(&hdspm->midi_tasklet,
4365 hdspm_midi_tasklet, (unsigned long) hdspm);
4366
4367 pci_read_config_word(hdspm->pci,
4368 PCI_CLASS_REVISION, &hdspm->firmware_rev);
4369
4370 hdspm->is_aes32 = (hdspm->firmware_rev >= HDSPM_AESREVISION);
4371
4372 strcpy(card->mixername, "Xilinx FPGA");
4373 if (hdspm->is_aes32) {
4374 strcpy(card->driver, "HDSPAES32");
4375 hdspm->card_name = "RME HDSPM AES32";
4376 } else {
4377 strcpy(card->driver, "HDSPM");
4378 hdspm->card_name = "RME HDSPM MADI";
4379 }
4380
4381 err = pci_enable_device(pci);
4382 if (err < 0)
4383 return err;
4384
4385 pci_set_master(hdspm->pci);
4386
4387 err = pci_request_regions(pci, "hdspm");
4388 if (err < 0)
4389 return err;
4390
4391 hdspm->port = pci_resource_start(pci, 0);
4392 io_extent = pci_resource_len(pci, 0);
4393
4394 snd_printdd("grabbed memory region 0x%lx-0x%lx\n",
4395 hdspm->port, hdspm->port + io_extent - 1);
4396
4397
4398 hdspm->iobase = ioremap_nocache(hdspm->port, io_extent);
4399 if (!hdspm->iobase) {
4400 snd_printk(KERN_ERR "HDSPM: "
4401 "unable to remap region 0x%lx-0x%lx\n",
4402 hdspm->port, hdspm->port + io_extent - 1);
4403 return -EBUSY;
4404 }
4405 snd_printdd("remapped region (0x%lx) 0x%lx-0x%lx\n",
4406 (unsigned long)hdspm->iobase, hdspm->port,
4407 hdspm->port + io_extent - 1);
4408
4409 if (request_irq(pci->irq, snd_hdspm_interrupt,
4410 IRQF_SHARED, "hdspm", hdspm)) {
4411 snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
4412 return -EBUSY;
4413 }
4414
4415 snd_printdd("use IRQ %d\n", pci->irq);
4416
4417 hdspm->irq = pci->irq;
4418 hdspm->precise_ptr = precise_ptr;
4419
4420 hdspm->monitor_outs = enable_monitor;
4421
4422 snd_printdd("kmalloc Mixer memory of %zd Bytes\n",
4423 sizeof(struct hdspm_mixer));
4424 hdspm->mixer = kzalloc(sizeof(struct hdspm_mixer), GFP_KERNEL);
4425 if (!hdspm->mixer) {
4426 snd_printk(KERN_ERR "HDSPM: "
4427 "unable to kmalloc Mixer memory of %d Bytes\n",
4428 (int)sizeof(struct hdspm_mixer));
4429 return err;
4430 }
4431
4432 hdspm->ss_channels = MADI_SS_CHANNELS;
4433 hdspm->ds_channels = MADI_DS_CHANNELS;
4434 hdspm->qs_channels = MADI_QS_CHANNELS;
4435
4436 snd_printdd("create alsa devices.\n");
4437 err = snd_hdspm_create_alsa_devices(card, hdspm);
4438 if (err < 0)
4439 return err;
4440
4441 snd_hdspm_initialize_midi_flush(hdspm);
4442
4443 return 0;
4444 }
4445
4446 static int snd_hdspm_free(struct hdspm * hdspm)
4447 {
4448
4449 if (hdspm->port) {
4450
4451 /* stop th audio, and cancel all interrupts */
4452 hdspm->control_register &=
4453 ~(HDSPM_Start | HDSPM_AudioInterruptEnable |
4454 HDSPM_Midi0InterruptEnable | HDSPM_Midi1InterruptEnable);
4455 hdspm_write(hdspm, HDSPM_controlRegister,
4456 hdspm->control_register);
4457 }
4458
4459 if (hdspm->irq >= 0)
4460 free_irq(hdspm->irq, (void *) hdspm);
4461
4462 kfree(hdspm->mixer);
4463
4464 if (hdspm->iobase)
4465 iounmap(hdspm->iobase);
4466
4467 if (hdspm->port)
4468 pci_release_regions(hdspm->pci);
4469
4470 pci_disable_device(hdspm->pci);
4471 return 0;
4472 }
4473
4474 static void snd_hdspm_card_free(struct snd_card *card)
4475 {
4476 struct hdspm *hdspm = card->private_data;
4477
4478 if (hdspm)
4479 snd_hdspm_free(hdspm);
4480 }
4481
4482 static int __devinit snd_hdspm_probe(struct pci_dev *pci,
4483 const struct pci_device_id *pci_id)
4484 {
4485 static int dev;
4486 struct hdspm *hdspm;
4487 struct snd_card *card;
4488 int err;
4489
4490 if (dev >= SNDRV_CARDS)
4491 return -ENODEV;
4492 if (!enable[dev]) {
4493 dev++;
4494 return -ENOENT;
4495 }
4496
4497 err = snd_card_create(index[dev], id[dev],
4498 THIS_MODULE, sizeof(struct hdspm), &card);
4499 if (err < 0)
4500 return err;
4501
4502 hdspm = card->private_data;
4503 card->private_free = snd_hdspm_card_free;
4504 hdspm->dev = dev;
4505 hdspm->pci = pci;
4506
4507 snd_card_set_dev(card, &pci->dev);
4508
4509 err = snd_hdspm_create(card, hdspm, precise_ptr[dev],
4510 enable_monitor[dev]);
4511 if (err < 0) {
4512 snd_card_free(card);
4513 return err;
4514 }
4515
4516 strcpy(card->shortname, "HDSPM MADI");
4517 sprintf(card->longname, "%s at 0x%lx, irq %d", hdspm->card_name,
4518 hdspm->port, hdspm->irq);
4519
4520 err = snd_card_register(card);
4521 if (err < 0) {
4522 snd_card_free(card);
4523 return err;
4524 }
4525
4526 pci_set_drvdata(pci, card);
4527
4528 dev++;
4529 return 0;
4530 }
4531
4532 static void __devexit snd_hdspm_remove(struct pci_dev *pci)
4533 {
4534 snd_card_free(pci_get_drvdata(pci));
4535 pci_set_drvdata(pci, NULL);
4536 }
4537
4538 static struct pci_driver driver = {
4539 .name = "RME Hammerfall DSP MADI",
4540 .id_table = snd_hdspm_ids,
4541 .probe = snd_hdspm_probe,
4542 .remove = __devexit_p(snd_hdspm_remove),
4543 };
4544
4545
4546 static int __init alsa_card_hdspm_init(void)
4547 {
4548 return pci_register_driver(&driver);
4549 }
4550
4551 static void __exit alsa_card_hdspm_exit(void)
4552 {
4553 pci_unregister_driver(&driver);
4554 }
4555
4556 module_init(alsa_card_hdspm_init)
4557 module_exit(alsa_card_hdspm_exit)
mm of the moment repository