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[ALSA] Add HDSP MADI driver
[deliverable/linux.git] / sound / pci / rme9652 / hdspm.c
CommitLineData
763f356c
TI		 1/* -*- linux-c -*-
2 *
3 * ALSA driver for RME Hammerfall DSP MADI audio interface(s)
4 *
5 * Copyright (c) 2003 Winfried Ritsch (IEM)
6 * code based on hdsp.c Paul Davis
7 * Marcus Andersson
8 * Thomas Charbonnel
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25#include <sound/driver.h>
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 <asm/io.h>
33
34#include <sound/core.h>
35#include <sound/control.h>
36#include <sound/pcm.h>
37#include <sound/info.h>
38#include <sound/asoundef.h>
39#include <sound/rawmidi.h>
40#include <sound/hwdep.h>
41#include <sound/initval.h>
42
43#include <sound/hdspm.h>
44
45static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
46static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
47static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
48
49/* Disable precise pointer at start */
50static int precise_ptr[SNDRV_CARDS];
51
52/* Send all playback to line outs */
53static int line_outs_monitor[SNDRV_CARDS];
54
55/* Enable Analog Outs on Channel 63/64 by default */
56static int enable_monitor[SNDRV_CARDS];
57
58module_param_array(index, int, NULL, 0444);
59MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");
60
61module_param_array(id, charp, NULL, 0444);
62MODULE_PARM_DESC(id, "ID string for RME HDSPM interface.");
63
64module_param_array(enable, bool, NULL, 0444);
65MODULE_PARM_DESC(enable, "Enable/disable specific HDSPM soundcards.");
66
67module_param_array(precise_ptr, bool, NULL, 0444);
68MODULE_PARM_DESC(precise_ptr, "Enable precise pointer, or disable.");
69
70module_param_array(line_outs_monitor, bool, NULL, 0444);
71MODULE_PARM_DESC(line_outs_monitor,
72 "Send playback streams to analog outs by default.");
73
74module_param_array(enable_monitor, bool, NULL, 0444);
75MODULE_PARM_DESC(enable_monitor,
76 "Enable Analog Out on Channel 63/64 by default.");
77
78MODULE_AUTHOR
79 ("Winfried Ritsch <ritsch_AT_iem.at>, Paul Davis <paul@linuxaudiosystems.com>, "
80 "Marcus Andersson, Thomas Charbonnel <thomas@undata.org>");
81MODULE_DESCRIPTION("RME HDSPM");
82MODULE_LICENSE("GPL");
83MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");
84
85/* --- Write registers. ---
86 These are defined as byte-offsets from the iobase value. */
87
88#define HDSPM_controlRegister 64
89#define HDSPM_interruptConfirmation 96
90#define HDSPM_control2Reg 256 /* not in specs ???????? */
91#define HDSPM_midiDataOut0 352 /* just believe in old code */
92#define HDSPM_midiDataOut1 356
93
94/* DMA enable for 64 channels, only Bit 0 is relevant */
95#define HDSPM_outputEnableBase 512 /* 512-767 input DMA */
96#define HDSPM_inputEnableBase 768 /* 768-1023 output DMA */
97
98/* 16 page addresses for each of the 64 channels DMA buffer in and out
99 (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
100#define HDSPM_pageAddressBufferOut 8192
101#define HDSPM_pageAddressBufferIn (HDSPM_pageAddressBufferOut+64*16*4)
102
103#define HDSPM_MADI_mixerBase 32768 /* 32768-65535 for 2x64x64 Fader */
104
105#define HDSPM_MATRIX_MIXER_SIZE 8192 /* = 2*64*64 * 4 Byte => 32kB */
106
107/* --- Read registers. ---
108 These are defined as byte-offsets from the iobase value */
109#define HDSPM_statusRegister 0
110#define HDSPM_statusRegister2 96
111
112#define HDSPM_midiDataIn0 360
113#define HDSPM_midiDataIn1 364
114
115/* status is data bytes in MIDI-FIFO (0-128) */
116#define HDSPM_midiStatusOut0 384
117#define HDSPM_midiStatusOut1 388
118#define HDSPM_midiStatusIn0 392
119#define HDSPM_midiStatusIn1 396
120
121
122/* the meters are regular i/o-mapped registers, but offset
123 considerably from the rest. the peak registers are reset
124 when read; the least-significant 4 bits are full-scale counters;
125 the actual peak value is in the most-significant 24 bits.
126*/
127#define HDSPM_MADI_peakrmsbase 4096 /* 4096-8191 2x64x32Bit Meters */
128
129/* --- Control Register bits --------- */
130#define HDSPM_Start (1<<0) /* start engine */
131
132#define HDSPM_Latency0 (1<<1) /* buffer size = 2^n */
133#define HDSPM_Latency1 (1<<2) /* where n is defined */
134#define HDSPM_Latency2 (1<<3) /* by Latency{2,1,0} */
135
136#define HDSPM_ClockModeMaster (1<<4) /* 1=Master, 0=Slave/Autosync */
137
138#define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */
139
140#define HDSPM_Frequency0 (1<<6) /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
141#define HDSPM_Frequency1 (1<<7) /* 0=32kHz/64kHz */
142#define HDSPM_DoubleSpeed (1<<8) /* 0=normal speed, 1=double speed */
143#define HDSPM_QuadSpeed (1<<31) /* quad speed bit, not implemented now */
144
145#define HDSPM_TX_64ch (1<<10) /* Output 64channel MODE=1,
146 56channelMODE=0 */
147
148#define HDSPM_AutoInp (1<<11) /* Auto Input (takeover) == Safe Mode,
149 0=off, 1=on */
150
151#define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax */
152#define HDSPM_InputSelect1 (1<<15) /* should be 0 */
153
154#define HDSPM_SyncRef0 (1<<16) /* 0=WOrd, 1=MADI */
155#define HDSPM_SyncRef1 (1<<17) /* should be 0 */
156
157#define HDSPM_clr_tms (1<<19) /* clear track marker, do not use
158 AES additional bits in
159 lower 5 Audiodatabits ??? */
160
161#define HDSPM_Midi0InterruptEnable (1<<22)
162#define HDSPM_Midi1InterruptEnable (1<<23)
163
164#define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */
165
166
167/* --- bit helper defines */
168#define HDSPM_LatencyMask (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
169#define HDSPM_FrequencyMask (HDSPM_Frequency0|HDSPM_Frequency1)
170#define HDSPM_InputMask (HDSPM_InputSelect0|HDSPM_InputSelect1)
171#define HDSPM_InputOptical 0
172#define HDSPM_InputCoaxial (HDSPM_InputSelect0)
173#define HDSPM_SyncRefMask (HDSPM_SyncRef0|HDSPM_SyncRef1)
174#define HDSPM_SyncRef_Word 0
175#define HDSPM_SyncRef_MADI (HDSPM_SyncRef0)
176
177#define HDSPM_SYNC_FROM_WORD 0 /* Preferred sync reference */
178#define HDSPM_SYNC_FROM_MADI 1 /* choices - used by "pref_sync_ref" */
179
180#define HDSPM_Frequency32KHz HDSPM_Frequency0
181#define HDSPM_Frequency44_1KHz HDSPM_Frequency1
182#define HDSPM_Frequency48KHz (HDSPM_Frequency1|HDSPM_Frequency0)
183#define HDSPM_Frequency64KHz (HDSPM_DoubleSpeed|HDSPM_Frequency0)
184#define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
185#define HDSPM_Frequency96KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1|HDSPM_Frequency0)
186
187/* --- for internal discrimination */
188#define HDSPM_CLOCK_SOURCE_AUTOSYNC 0 /* Sample Clock Sources */
189#define HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ 1
190#define HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ 2
191#define HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ 3
192#define HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ 4
193#define HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ 5
194#define HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ 6
195#define HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ 7
196#define HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ 8
197#define HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ 9
198
199/* Synccheck Status */
200#define HDSPM_SYNC_CHECK_NO_LOCK 0
201#define HDSPM_SYNC_CHECK_LOCK 1
202#define HDSPM_SYNC_CHECK_SYNC 2
203
204/* AutoSync References - used by "autosync_ref" control switch */
205#define HDSPM_AUTOSYNC_FROM_WORD 0
206#define HDSPM_AUTOSYNC_FROM_MADI 1
207#define HDSPM_AUTOSYNC_FROM_NONE 2
208
209/* Possible sources of MADI input */
210#define HDSPM_OPTICAL 0 /* optical */
211#define HDSPM_COAXIAL 1 /* BNC */
212
213#define hdspm_encode_latency(x) (((x)<<1) & HDSPM_LatencyMask)
214#define hdspm_decode_latency(x) (((x) & HDSPM_LatencyMask)>>1)
215
216#define hdspm_encode_in(x) (((x)&0x3)<<14)
217#define hdspm_decode_in(x) (((x)>>14)&0x3)
218
219/* --- control2 register bits --- */
220#define HDSPM_TMS (1<<0)
221#define HDSPM_TCK (1<<1)
222#define HDSPM_TDI (1<<2)
223#define HDSPM_JTAG (1<<3)
224#define HDSPM_PWDN (1<<4)
225#define HDSPM_PROGRAM (1<<5)
226#define HDSPM_CONFIG_MODE_0 (1<<6)
227#define HDSPM_CONFIG_MODE_1 (1<<7)
228/*#define HDSPM_VERSION_BIT (1<<8) not defined any more*/
229#define HDSPM_BIGENDIAN_MODE (1<<9)
230#define HDSPM_RD_MULTIPLE (1<<10)
231
232/* --- Status Register bits --- */
233#define HDSPM_audioIRQPending (1<<0) /* IRQ is high and pending */
234#define HDSPM_RX_64ch (1<<1) /* Input 64chan. MODE=1, 56chn. MODE=0 */
235#define HDSPM_AB_int (1<<2) /* InputChannel Opt=0, Coax=1 (like inp0) */
236#define HDSPM_madiLock (1<<3) /* MADI Locked =1, no=0 */
237
238#define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
239 /* since 64byte accurate last 6 bits
240 are not used */
241
242#define HDSPM_madiSync (1<<18) /* MADI is in sync */
243#define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */
244
245#define HDSPM_madiFreq0 (1<<22) /* system freq 0=error */
246#define HDSPM_madiFreq1 (1<<23) /* 1=32, 2=44.1 3=48 */
247#define HDSPM_madiFreq2 (1<<24) /* 4=64, 5=88.2 6=96 */
248#define HDSPM_madiFreq3 (1<<25) /* 7=128, 8=176.4 9=192 */
249
250#define HDSPM_BufferID (1<<26) /* (Double)Buffer ID toggles with Interrupt */
251#define HDSPM_midi0IRQPending (1<<30) /* MIDI IRQ is pending */
252#define HDSPM_midi1IRQPending (1<<31) /* and aktiv */
253
254/* --- status bit helpers */
255#define HDSPM_madiFreqMask (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2|HDSPM_madiFreq3)
256#define HDSPM_madiFreq32 (HDSPM_madiFreq0)
257#define HDSPM_madiFreq44_1 (HDSPM_madiFreq1)
258#define HDSPM_madiFreq48 (HDSPM_madiFreq0|HDSPM_madiFreq1)
259#define HDSPM_madiFreq64 (HDSPM_madiFreq2)
260#define HDSPM_madiFreq88_2 (HDSPM_madiFreq0|HDSPM_madiFreq2)
261#define HDSPM_madiFreq96 (HDSPM_madiFreq1|HDSPM_madiFreq2)
262#define HDSPM_madiFreq128 (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
263#define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
264#define HDSPM_madiFreq192 (HDSPM_madiFreq3|HDSPM_madiFreq0)
265
266/* Status2 Register bits */
267
268#define HDSPM_version0 (1<<0) /* not realy defined but I guess */
269#define HDSPM_version1 (1<<1) /* in former cards it was ??? */
270#define HDSPM_version2 (1<<2)
271
272#define HDSPM_wcLock (1<<3) /* Wordclock is detected and locked */
273#define HDSPM_wcSync (1<<4) /* Wordclock is in sync with systemclock */
274
275#define HDSPM_wc_freq0 (1<<5) /* input freq detected via autosync */
276#define HDSPM_wc_freq1 (1<<6) /* 001=32, 010==44.1, 011=48, */
277#define HDSPM_wc_freq2 (1<<7) /* 100=64, 101=88.2, 110=96, */
278/* missing Bit for 111=128, 1000=176.4, 1001=192 */
279
280#define HDSPM_SelSyncRef0 (1<<8) /* Sync Source in slave mode */
281#define HDSPM_SelSyncRef1 (1<<9) /* 000=word, 001=MADI, */
282#define HDSPM_SelSyncRef2 (1<<10) /* 111=no valid signal */
283
284#define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)
285
286#define HDSPM_wcFreqMask (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
287#define HDSPM_wcFreq32 (HDSPM_wc_freq0)
288#define HDSPM_wcFreq44_1 (HDSPM_wc_freq1)
289#define HDSPM_wcFreq48 (HDSPM_wc_freq0|HDSPM_wc_freq1)
290#define HDSPM_wcFreq64 (HDSPM_wc_freq2)
291#define HDSPM_wcFreq88_2 (HDSPM_wc_freq0|HDSPM_wc_freq2)
292#define HDSPM_wcFreq96 (HDSPM_wc_freq1|HDSPM_wc_freq2)
293
294
295#define HDSPM_SelSyncRefMask (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
296#define HDSPM_SelSyncRef_WORD 0
297#define HDSPM_SelSyncRef_MADI (HDSPM_SelSyncRef0)
298#define HDSPM_SelSyncRef_NVALID (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
299
300/* Mixer Values */
301#define UNITY_GAIN 32768 /* = 65536/2 */
302#define MINUS_INFINITY_GAIN 0
303
304/* PCI info */
305#ifndef PCI_VENDOR_ID_XILINX
306#define PCI_VENDOR_ID_XILINX 0x10ee
307#endif
308#ifndef PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP
309#define PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP 0x3fc5
310#endif
311#ifndef PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI
312#define PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI 0x3fc6
313#endif
314
315
316/* Number of channels for different Speed Modes */
317#define MADI_SS_CHANNELS 64
318#define MADI_DS_CHANNELS 32
319#define MADI_QS_CHANNELS 16
320
321/* the size of a substream (1 mono data stream) */
322#define HDSPM_CHANNEL_BUFFER_SAMPLES (16*1024)
323#define HDSPM_CHANNEL_BUFFER_BYTES (4*HDSPM_CHANNEL_BUFFER_SAMPLES)
324
325/* the size of the area we need to allocate for DMA transfers. the
326 size is the same regardless of the number of channels, and
327 also the latency to use.
328 for one direction !!!
329*/
330#define HDSPM_DMA_AREA_BYTES (HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
331#define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)
332
333typedef struct _hdspm hdspm_t;
334typedef struct _hdspm_midi hdspm_midi_t;
335
336struct _hdspm_midi {
337 hdspm_t *hdspm;
338 int id;
339 snd_rawmidi_t *rmidi;
340 snd_rawmidi_substream_t *input;
341 snd_rawmidi_substream_t *output;
342 char istimer; /* timer in use */
343 struct timer_list timer;
344 spinlock_t lock;
345 int pending;
346};
347
348struct _hdspm {
349 spinlock_t lock;
350 snd_pcm_substream_t *capture_substream; /* only one playback */
351 snd_pcm_substream_t *playback_substream; /* and/or capture stream */
352
353 char *card_name; /* for procinfo */
354 unsigned short firmware_rev; /* dont know if relevant */
355
356 int precise_ptr; /* use precise pointers, to be tested */
357 int monitor_outs; /* set up monitoring outs init flag */
358
359 u32 control_register; /* cached value */
360 u32 control2_register; /* cached value */
361
362 hdspm_midi_t midi[2];
363 struct tasklet_struct midi_tasklet;
364
365 size_t period_bytes;
366 unsigned char ss_channels; /* channels of card in single speed */
367 unsigned char ds_channels; /* Double Speed */
368 unsigned char qs_channels; /* Quad Speed */
369
370 unsigned char *playback_buffer; /* suitably aligned address */
371 unsigned char *capture_buffer; /* suitably aligned address */
372
373 pid_t capture_pid; /* process id which uses capture */
374 pid_t playback_pid; /* process id which uses capture */
375 int running; /* running status */
376
377 int last_external_sample_rate; /* samplerate mystic ... */
378 int last_internal_sample_rate;
379 int system_sample_rate;
380
381 char *channel_map; /* channel map for DS and Quadspeed */
382
383 int dev; /* Hardware vars... */
384 int irq;
385 unsigned long port;
386 void __iomem *iobase;
387
388 int irq_count; /* for debug */
389
390 snd_card_t *card; /* one card */
391 snd_pcm_t *pcm; /* has one pcm */
392 snd_hwdep_t *hwdep; /* and a hwdep for additional ioctl */
393 struct pci_dev *pci; /* and an pci info */
394
395 /* Mixer vars */
396 snd_kcontrol_t *playback_mixer_ctls[HDSPM_MAX_CHANNELS]; /* fast alsa mixer */
397 snd_kcontrol_t *input_mixer_ctls[HDSPM_MAX_CHANNELS]; /* but input to much, so not used */
398 hdspm_mixer_t *mixer; /* full mixer accessable over mixer ioctl or hwdep-device */
399
400};
401
402/* These tables map the ALSA channels 1..N to the channels that we
403 need to use in order to find the relevant channel buffer. RME
404 refer to this kind of mapping as between "the ADAT channel and
405 the DMA channel." We index it using the logical audio channel,
406 and the value is the DMA channel (i.e. channel buffer number)
407 where the data for that channel can be read/written from/to.
408*/
409
410static char channel_map_madi_ss[HDSPM_MAX_CHANNELS] = {
411 0, 1, 2, 3, 4, 5, 6, 7,
412 8, 9, 10, 11, 12, 13, 14, 15,
413 16, 17, 18, 19, 20, 21, 22, 23,
414 24, 25, 26, 27, 28, 29, 30, 31,
415 32, 33, 34, 35, 36, 37, 38, 39,
416 40, 41, 42, 43, 44, 45, 46, 47,
417 48, 49, 50, 51, 52, 53, 54, 55,
418 56, 57, 58, 59, 60, 61, 62, 63
419};
420
421static char channel_map_madi_ds[HDSPM_MAX_CHANNELS] = {
422 0, 2, 4, 6, 8, 10, 12, 14,
423 16, 18, 20, 22, 24, 26, 28, 30,
424 32, 34, 36, 38, 40, 42, 44, 46,
425 48, 50, 52, 54, 56, 58, 60, 62,
426 -1, -1, -1, -1, -1, -1, -1, -1,
427 -1, -1, -1, -1, -1, -1, -1, -1,
428 -1, -1, -1, -1, -1, -1, -1, -1,
429 -1, -1, -1, -1, -1, -1, -1, -1
430};
431
432static char channel_map_madi_qs[HDSPM_MAX_CHANNELS] = {
433 0, 4, 8, 12, 16, 20, 24, 28,
434 32, 36, 40, 44, 48, 52, 56, 60
435 -1, -1, -1, -1, -1, -1, -1, -1,
436 -1, -1, -1, -1, -1, -1, -1, -1,
437 -1, -1, -1, -1, -1, -1, -1, -1,
438 -1, -1, -1, -1, -1, -1, -1, -1,
439 -1, -1, -1, -1, -1, -1, -1, -1,
440 -1, -1, -1, -1, -1, -1, -1, -1
441};
442
443
444static struct pci_device_id snd_hdspm_ids[] = {
445 {
446 .vendor = PCI_VENDOR_ID_XILINX,
447 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
448 .subvendor = PCI_ANY_ID,
449 .subdevice = PCI_ANY_ID,
450 .class = 0,
451 .class_mask = 0,
452 .driver_data = 0},
453 {0,}
454};
455
456MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);
457
458/* prototypes */
459static int __devinit snd_hdspm_create_alsa_devices(snd_card_t * card,
460 hdspm_t * hdspm);
461static int __devinit snd_hdspm_create_pcm(snd_card_t * card,
462 hdspm_t * hdspm);
463
464static inline void snd_hdspm_initialize_midi_flush(hdspm_t * hdspm);
465static int hdspm_update_simple_mixer_controls(hdspm_t * hdspm);
466static int hdspm_autosync_ref(hdspm_t * hdspm);
467static int snd_hdspm_set_defaults(hdspm_t * hdspm);
468static void hdspm_set_sgbuf(hdspm_t * hdspm, struct snd_sg_buf *sgbuf,
469 unsigned int reg, int channels);
470
471/* Write/read to/from HDSPM with Adresses in Bytes
472 not words but only 32Bit writes are allowed */
473
474static inline void hdspm_write(hdspm_t * hdspm, unsigned int reg,
475 unsigned int val)
476{
477 writel(val, hdspm->iobase + reg);
478}
479
480static inline unsigned int hdspm_read(hdspm_t * hdspm, unsigned int reg)
481{
482 return readl(hdspm->iobase + reg);
483}
484
485/* for each output channel (chan) I have an Input (in) and Playback (pb) Fader
486 mixer is write only on hardware so we have to cache him for read
487 each fader is a u32, but uses only the first 16 bit */
488
489static inline int hdspm_read_in_gain(hdspm_t * hdspm, unsigned int chan,
490 unsigned int in)
491{
492 if (chan > HDSPM_MIXER_CHANNELS || in > HDSPM_MIXER_CHANNELS)
493 return 0;
494
495 return hdspm->mixer->ch[chan].in[in];
496}
497
498static inline int hdspm_read_pb_gain(hdspm_t * hdspm, unsigned int chan,
499 unsigned int pb)
500{
501 if (chan > HDSPM_MIXER_CHANNELS || pb > HDSPM_MIXER_CHANNELS)
502 return 0;
503 return hdspm->mixer->ch[chan].pb[pb];
504}
505
506static inline int hdspm_write_in_gain(hdspm_t * hdspm, unsigned int chan,
507 unsigned int in, unsigned short data)
508{
509 if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
510 return -1;
511
512 hdspm_write(hdspm,
513 HDSPM_MADI_mixerBase +
514 ((in + 128 * chan) * sizeof(u32)),
515 (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
516 return 0;
517}
518
519static inline int hdspm_write_pb_gain(hdspm_t * hdspm, unsigned int chan,
520 unsigned int pb, unsigned short data)
521{
522 if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
523 return -1;
524
525 hdspm_write(hdspm,
526 HDSPM_MADI_mixerBase +
527 ((64 + pb + 128 * chan) * sizeof(u32)),
528 (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
529 return 0;
530}
531
532
533/* enable DMA for specific channels, now available for DSP-MADI */
534static inline void snd_hdspm_enable_in(hdspm_t * hdspm, int i, int v)
535{
536 hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
537}
538
539static inline void snd_hdspm_enable_out(hdspm_t * hdspm, int i, int v)
540{
541 hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
542}
543
544/* check if same process is writing and reading */
545static inline int snd_hdspm_use_is_exclusive(hdspm_t * hdspm)
546{
547 unsigned long flags;
548 int ret = 1;
549
550 spin_lock_irqsave(&hdspm->lock, flags);
551 if ((hdspm->playback_pid != hdspm->capture_pid) &&
552 (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
553 ret = 0;
554 }
555 spin_unlock_irqrestore(&hdspm->lock, flags);
556 return ret;
557}
558
559/* check for external sample rate */
560static inline int hdspm_external_sample_rate(hdspm_t * hdspm)
561{
562 unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
563 unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
564 unsigned int rate_bits;
565 int rate = 0;
566
567 /* if wordclock has synced freq and wordclock is valid */
568 if ((status2 & HDSPM_wcLock) != 0 &&
569 (status & HDSPM_SelSyncRef0) == 0) {
570
571 rate_bits = status2 & HDSPM_wcFreqMask;
572
573 switch (rate_bits) {
574 case HDSPM_wcFreq32:
575 rate = 32000;
576 break;
577 case HDSPM_wcFreq44_1:
578 rate = 44100;
579 break;
580 case HDSPM_wcFreq48:
581 rate = 48000;
582 break;
583 case HDSPM_wcFreq64:
584 rate = 64000;
585 break;
586 case HDSPM_wcFreq88_2:
587 rate = 88200;
588 break;
589 case HDSPM_wcFreq96:
590 rate = 96000;
591 break;
592 /* Quadspeed Bit missing ???? */
593 default:
594 rate = 0;
595 break;
596 }
597 }
598
599 /* if rate detected and Syncref is Word than have it, word has priority to MADI */
600 if (rate != 0
601 && (status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
602 return rate;
603
604 /* maby a madi input (which is taken if sel sync is madi) */
605 if (status & HDSPM_madiLock) {
606 rate_bits = status & HDSPM_madiFreqMask;
607
608 switch (rate_bits) {
609 case HDSPM_madiFreq32:
610 rate = 32000;
611 break;
612 case HDSPM_madiFreq44_1:
613 rate = 44100;
614 break;
615 case HDSPM_madiFreq48:
616 rate = 48000;
617 break;
618 case HDSPM_madiFreq64:
619 rate = 64000;
620 break;
621 case HDSPM_madiFreq88_2:
622 rate = 88200;
623 break;
624 case HDSPM_madiFreq96:
625 rate = 96000;
626 break;
627 case HDSPM_madiFreq128:
628 rate = 128000;
629 break;
630 case HDSPM_madiFreq176_4:
631 rate = 176400;
632 break;
633 case HDSPM_madiFreq192:
634 rate = 192000;
635 break;
636 default:
637 rate = 0;
638 break;
639 }
640 }
641 return rate;
642}
643
644/* Latency function */
645static inline void hdspm_compute_period_size(hdspm_t * hdspm)
646{
647 hdspm->period_bytes =
648 1 << ((hdspm_decode_latency(hdspm->control_register) + 8));
649}
650
651static snd_pcm_uframes_t hdspm_hw_pointer(hdspm_t * hdspm)
652{
653 int position;
654
655 position = hdspm_read(hdspm, HDSPM_statusRegister);
656
657 if (!hdspm->precise_ptr) {
658 return (position & HDSPM_BufferID) ? (hdspm->period_bytes /
659 4) : 0;
660 }
661
662 /* hwpointer comes in bytes and is 64Bytes accurate (by docu since PCI Burst)
663 i have experimented that it is at most 64 Byte to much for playing
664 so substraction of 64 byte should be ok for ALSA, but use it only
665 for application where you know what you do since if you come to
666 near with record pointer it can be a disaster */
667
668 position &= HDSPM_BufferPositionMask;
669 position = ((position - 64) % (2 * hdspm->period_bytes)) / 4;
670
671 return position;
672}
673
674
675static inline void hdspm_start_audio(hdspm_t * s)
676{
677 s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
678 hdspm_write(s, HDSPM_controlRegister, s->control_register);
679}
680
681static inline void hdspm_stop_audio(hdspm_t * s)
682{
683 s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
684 hdspm_write(s, HDSPM_controlRegister, s->control_register);
685}
686
687/* should I silence all or only opened ones ? doit all for first even is 4MB*/
688static inline void hdspm_silence_playback(hdspm_t * hdspm)
689{
690 int i;
691 int n = hdspm->period_bytes;
692 void *buf = hdspm->playback_buffer;
693
694 snd_assert(buf != NULL, return);
695
696 for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
697 memset(buf, 0, n);
698 buf += HDSPM_CHANNEL_BUFFER_BYTES;
699 }
700}
701
702static int hdspm_set_interrupt_interval(hdspm_t * s, unsigned int frames)
703{
704 int n;
705
706 spin_lock_irq(&s->lock);
707
708 frames >>= 7;
709 n = 0;
710 while (frames) {
711 n++;
712 frames >>= 1;
713 }
714 s->control_register &= ~HDSPM_LatencyMask;
715 s->control_register |= hdspm_encode_latency(n);
716
717 hdspm_write(s, HDSPM_controlRegister, s->control_register);
718
719 hdspm_compute_period_size(s);
720
721 spin_unlock_irq(&s->lock);
722
723 return 0;
724}
725
726
727/* dummy set rate lets see what happens */
728static int hdspm_set_rate(hdspm_t * hdspm, int rate, int called_internally)
729{
730 int reject_if_open = 0;
731 int current_rate;
732 int rate_bits;
733 int not_set = 0;
734
735 /* ASSUMPTION: hdspm->lock is either set, or there is no need for
736 it (e.g. during module initialization).
737 */
738
739 if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
740
741 /* SLAVE --- */
742 if (called_internally) {
743
744 /* request from ctl or card initialization
745 just make a warning an remember setting
746 for future master mode switching */
747
748 snd_printk
749 (KERN_WARNING "HDSPM: Warning: device is not running as a clock master.\n");
750 not_set = 1;
751 } else {
752
753 /* hw_param request while in AutoSync mode */
754 int external_freq =
755 hdspm_external_sample_rate(hdspm);
756
757 if ((hdspm_autosync_ref(hdspm) ==
758 HDSPM_AUTOSYNC_FROM_NONE)) {
759
760 snd_printk(KERN_WARNING "HDSPM: Detected no Externel Sync \n");
761 not_set = 1;
762
763 } else if (rate != external_freq) {
764
765 snd_printk
766 (KERN_WARNING "HDSPM: Warning: No AutoSync source for requested rate\n");
767 not_set = 1;
768 }
769 }
770 }
771
772 current_rate = hdspm->system_sample_rate;
773
774 /* Changing between Singe, Double and Quad speed is not
775 allowed if any substreams are open. This is because such a change
776 causes a shift in the location of the DMA buffers and a reduction
777 in the number of available buffers.
778
779 Note that a similar but essentially insoluble problem exists for
780 externally-driven rate changes. All we can do is to flag rate
781 changes in the read/write routines.
782 */
783
784 switch (rate) {
785 case 32000:
786 if (current_rate > 48000) {
787 reject_if_open = 1;
788 }
789 rate_bits = HDSPM_Frequency32KHz;
790 break;
791 case 44100:
792 if (current_rate > 48000) {
793 reject_if_open = 1;
794 }
795 rate_bits = HDSPM_Frequency44_1KHz;
796 break;
797 case 48000:
798 if (current_rate > 48000) {
799 reject_if_open = 1;
800 }
801 rate_bits = HDSPM_Frequency48KHz;
802 break;
803 case 64000:
804 if (current_rate <= 48000) {
805 reject_if_open = 1;
806 }
807 rate_bits = HDSPM_Frequency64KHz;
808 break;
809 case 88200:
810 if (current_rate <= 48000) {
811 reject_if_open = 1;
812 }
813 rate_bits = HDSPM_Frequency88_2KHz;
814 break;
815 case 96000:
816 if (current_rate <= 48000) {
817 reject_if_open = 1;
818 }
819 rate_bits = HDSPM_Frequency96KHz;
820 break;
821 default:
822 return -EINVAL;
823 }
824
825 if (reject_if_open
826 && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
827 snd_printk
828 (KERN_ERR "HDSPM: cannot change between single- and double-speed mode (capture PID = %d, playback PID = %d)\n",
829 hdspm->capture_pid, hdspm->playback_pid);
830 return -EBUSY;
831 }
832
833 hdspm->control_register &= ~HDSPM_FrequencyMask;
834 hdspm->control_register |= rate_bits;
835 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
836
837 if (rate > 64000)
838 hdspm->channel_map = channel_map_madi_qs;
839 else if (rate > 48000)
840 hdspm->channel_map = channel_map_madi_ds;
841 else
842 hdspm->channel_map = channel_map_madi_ss;
843
844 hdspm->system_sample_rate = rate;
845
846 if (not_set != 0)
847 return -1;
848
849 return 0;
850}
851
852/* mainly for init to 0 on load */
853static void all_in_all_mixer(hdspm_t * hdspm, int sgain)
854{
855 int i, j;
856 unsigned int gain =
857 (sgain > UNITY_GAIN) ? UNITY_GAIN : (sgain < 0) ? 0 : sgain;
858
859 for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
860 for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
861 hdspm_write_in_gain(hdspm, i, j, gain);
862 hdspm_write_pb_gain(hdspm, i, j, gain);
863 }
864}
865
866/*----------------------------------------------------------------------------
867 MIDI
868 ----------------------------------------------------------------------------*/
869
870static inline unsigned char snd_hdspm_midi_read_byte (hdspm_t *hdspm, int id)
871{
872 /* the hardware already does the relevant bit-mask with 0xff */
873 if (id)
874 return hdspm_read(hdspm, HDSPM_midiDataIn1);
875 else
876 return hdspm_read(hdspm, HDSPM_midiDataIn0);
877}
878
879static inline void snd_hdspm_midi_write_byte (hdspm_t *hdspm, int id, int val)
880{
881 /* the hardware already does the relevant bit-mask with 0xff */
882 if (id)
883 return hdspm_write(hdspm, HDSPM_midiDataOut1, val);
884 else
885 return hdspm_write(hdspm, HDSPM_midiDataOut0, val);
886}
887
888static inline int snd_hdspm_midi_input_available (hdspm_t *hdspm, int id)
889{
890 if (id)
891 return (hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff);
892 else
893 return (hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff);
894}
895
896static inline int snd_hdspm_midi_output_possible (hdspm_t *hdspm, int id)
897{
898 int fifo_bytes_used;
899
900 if (id)
901 fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xff;
902 else
903 fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xff;
904
905 if (fifo_bytes_used < 128)
906 return 128 - fifo_bytes_used;
907 else
908 return 0;
909}
910
911static inline void snd_hdspm_flush_midi_input (hdspm_t *hdspm, int id)
912{
913 while (snd_hdspm_midi_input_available (hdspm, id))
914 snd_hdspm_midi_read_byte (hdspm, id);
915}
916
917static int snd_hdspm_midi_output_write (hdspm_midi_t *hmidi)
918{
919 unsigned long flags;
920 int n_pending;
921 int to_write;
922 int i;
923 unsigned char buf[128];
924
925 /* Output is not interrupt driven */
926
927 spin_lock_irqsave (&hmidi->lock, flags);
928 if (hmidi->output) {
929 if (!snd_rawmidi_transmit_empty (hmidi->output)) {
930 if ((n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm, hmidi->id)) > 0) {
931 if (n_pending > (int)sizeof (buf))
932 n_pending = sizeof (buf);
933
934 if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
935 for (i = 0; i < to_write; ++i)
936 snd_hdspm_midi_write_byte (hmidi->hdspm, hmidi->id, buf[i]);
937 }
938 }
939 }
940 }
941 spin_unlock_irqrestore (&hmidi->lock, flags);
942 return 0;
943}
944
945static int snd_hdspm_midi_input_read (hdspm_midi_t *hmidi)
946{
947 unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
948 unsigned long flags;
949 int n_pending;
950 int i;
951
952 spin_lock_irqsave (&hmidi->lock, flags);
953 if ((n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id)) > 0) {
954 if (hmidi->input) {
955 if (n_pending > (int)sizeof (buf)) {
956 n_pending = sizeof (buf);
957 }
958 for (i = 0; i < n_pending; ++i) {
959 buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
960 }
961 if (n_pending) {
962 snd_rawmidi_receive (hmidi->input, buf, n_pending);
963 }
964 } else {
965 /* flush the MIDI input FIFO */
966 while (n_pending--) {
967 snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
968 }
969 }
970 }
971 hmidi->pending = 0;
972 if (hmidi->id) {
973 hmidi->hdspm->control_register |= HDSPM_Midi1InterruptEnable;
974 } else {
975 hmidi->hdspm->control_register |= HDSPM_Midi0InterruptEnable;
976 }
977 hdspm_write(hmidi->hdspm, HDSPM_controlRegister, hmidi->hdspm->control_register);
978 spin_unlock_irqrestore (&hmidi->lock, flags);
979 return snd_hdspm_midi_output_write (hmidi);
980}
981
982static void snd_hdspm_midi_input_trigger(snd_rawmidi_substream_t * substream, int up)
983{
984 hdspm_t *hdspm;
985 hdspm_midi_t *hmidi;
986 unsigned long flags;
987 u32 ie;
988
989 hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
990 hdspm = hmidi->hdspm;
991 ie = hmidi->id ? HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
992 spin_lock_irqsave (&hdspm->lock, flags);
993 if (up) {
994 if (!(hdspm->control_register & ie)) {
995 snd_hdspm_flush_midi_input (hdspm, hmidi->id);
996 hdspm->control_register |= ie;
997 }
998 } else {
999 hdspm->control_register &= ~ie;
1000 }
1001
1002 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1003 spin_unlock_irqrestore (&hdspm->lock, flags);
1004}
1005
1006static void snd_hdspm_midi_output_timer(unsigned long data)
1007{
1008 hdspm_midi_t *hmidi = (hdspm_midi_t *) data;
1009 unsigned long flags;
1010
1011 snd_hdspm_midi_output_write(hmidi);
1012 spin_lock_irqsave (&hmidi->lock, flags);
1013
1014 /* this does not bump hmidi->istimer, because the
1015 kernel automatically removed the timer when it
1016 expired, and we are now adding it back, thus
1017 leaving istimer wherever it was set before.
1018 */
1019
1020 if (hmidi->istimer) {
1021 hmidi->timer.expires = 1 + jiffies;
1022 add_timer(&hmidi->timer);
1023 }
1024
1025 spin_unlock_irqrestore (&hmidi->lock, flags);
1026}
1027
1028static void snd_hdspm_midi_output_trigger(snd_rawmidi_substream_t * substream, int up)
1029{
1030 hdspm_midi_t *hmidi;
1031 unsigned long flags;
1032
1033 hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
1034 spin_lock_irqsave (&hmidi->lock, flags);
1035 if (up) {
1036 if (!hmidi->istimer) {
1037 init_timer(&hmidi->timer);
1038 hmidi->timer.function = snd_hdspm_midi_output_timer;
1039 hmidi->timer.data = (unsigned long) hmidi;
1040 hmidi->timer.expires = 1 + jiffies;
1041 add_timer(&hmidi->timer);
1042 hmidi->istimer++;
1043 }
1044 } else {
1045 if (hmidi->istimer && --hmidi->istimer <= 0) {
1046 del_timer (&hmidi->timer);
1047 }
1048 }
1049 spin_unlock_irqrestore (&hmidi->lock, flags);
1050 if (up)
1051 snd_hdspm_midi_output_write(hmidi);
1052}
1053
1054static int snd_hdspm_midi_input_open(snd_rawmidi_substream_t * substream)
1055{
1056 hdspm_midi_t *hmidi;
1057
1058 hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
1059 spin_lock_irq (&hmidi->lock);
1060 snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
1061 hmidi->input = substream;
1062 spin_unlock_irq (&hmidi->lock);
1063
1064 return 0;
1065}
1066
1067static int snd_hdspm_midi_output_open(snd_rawmidi_substream_t * substream)
1068{
1069 hdspm_midi_t *hmidi;
1070
1071 hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
1072 spin_lock_irq (&hmidi->lock);
1073 hmidi->output = substream;
1074 spin_unlock_irq (&hmidi->lock);
1075
1076 return 0;
1077}
1078
1079static int snd_hdspm_midi_input_close(snd_rawmidi_substream_t * substream)
1080{
1081 hdspm_midi_t *hmidi;
1082
1083 snd_hdspm_midi_input_trigger (substream, 0);
1084
1085 hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
1086 spin_lock_irq (&hmidi->lock);
1087 hmidi->input = NULL;
1088 spin_unlock_irq (&hmidi->lock);
1089
1090 return 0;
1091}
1092
1093static int snd_hdspm_midi_output_close(snd_rawmidi_substream_t * substream)
1094{
1095 hdspm_midi_t *hmidi;
1096
1097 snd_hdspm_midi_output_trigger (substream, 0);
1098
1099 hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
1100 spin_lock_irq (&hmidi->lock);
1101 hmidi->output = NULL;
1102 spin_unlock_irq (&hmidi->lock);
1103
1104 return 0;
1105}
1106
1107snd_rawmidi_ops_t snd_hdspm_midi_output =
1108{
1109 .open = snd_hdspm_midi_output_open,
1110 .close = snd_hdspm_midi_output_close,
1111 .trigger = snd_hdspm_midi_output_trigger,
1112};
1113
1114snd_rawmidi_ops_t snd_hdspm_midi_input =
1115{
1116 .open = snd_hdspm_midi_input_open,
1117 .close = snd_hdspm_midi_input_close,
1118 .trigger = snd_hdspm_midi_input_trigger,
1119};
1120
1121static int __devinit snd_hdspm_create_midi (snd_card_t *card, hdspm_t *hdspm, int id)
1122{
1123 int err;
1124 char buf[32];
1125
1126 hdspm->midi[id].id = id;
1127 hdspm->midi[id].rmidi = NULL;
1128 hdspm->midi[id].input = NULL;
1129 hdspm->midi[id].output = NULL;
1130 hdspm->midi[id].hdspm = hdspm;
1131 hdspm->midi[id].istimer = 0;
1132 hdspm->midi[id].pending = 0;
1133 spin_lock_init (&hdspm->midi[id].lock);
1134
1135 sprintf (buf, "%s MIDI %d", card->shortname, id+1);
1136 if ((err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi)) < 0)
1137 return err;
1138
1139 sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
1140 hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
1141
1142 snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdspm_midi_output);
1143 snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdspm_midi_input);
1144
1145 hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1146 SNDRV_RAWMIDI_INFO_INPUT |
1147 SNDRV_RAWMIDI_INFO_DUPLEX;
1148
1149 return 0;
1150}
1151
1152
1153static void hdspm_midi_tasklet(unsigned long arg)
1154{
1155 hdspm_t *hdspm = (hdspm_t *)arg;
1156
1157 if (hdspm->midi[0].pending)
1158 snd_hdspm_midi_input_read (&hdspm->midi[0]);
1159 if (hdspm->midi[1].pending)
1160 snd_hdspm_midi_input_read (&hdspm->midi[1]);
1161}
1162
1163
1164/*-----------------------------------------------------------------------------
1165 Status Interface
1166 ----------------------------------------------------------------------------*/
1167
1168/* get the system sample rate which is set */
1169
1170#define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
1171{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1172 .name = xname, \
1173 .index = xindex, \
1174 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1175 .info = snd_hdspm_info_system_sample_rate, \
1176 .get = snd_hdspm_get_system_sample_rate \
1177}
1178
1179static int snd_hdspm_info_system_sample_rate(snd_kcontrol_t * kcontrol,
1180 snd_ctl_elem_info_t * uinfo)
1181{
1182 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1183 uinfo->count = 1;
1184 return 0;
1185}
1186
1187static int snd_hdspm_get_system_sample_rate(snd_kcontrol_t * kcontrol,
1188 snd_ctl_elem_value_t *
1189 ucontrol)
1190{
1191 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1192
1193 ucontrol->value.enumerated.item[0] = hdspm->system_sample_rate;
1194 return 0;
1195}
1196
1197#define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1198{ .iface = SNDRV_CTL_ELEM_IFACE_PCM, \
1199 .name = xname, \
1200 .index = xindex, \
1201 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1202 .info = snd_hdspm_info_autosync_sample_rate, \
1203 .get = snd_hdspm_get_autosync_sample_rate \
1204}
1205
1206static int snd_hdspm_info_autosync_sample_rate(snd_kcontrol_t * kcontrol,
1207 snd_ctl_elem_info_t * uinfo)
1208{
1209 static char *texts[] = { "32000", "44100", "48000",
1210 "64000", "88200", "96000",
1211 "128000", "176400", "192000",
1212 "None"
1213 };
1214 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1215 uinfo->count = 1;
1216 uinfo->value.enumerated.items = 10;
1217 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1218 uinfo->value.enumerated.item =
1219 uinfo->value.enumerated.items - 1;
1220 strcpy(uinfo->value.enumerated.name,
1221 texts[uinfo->value.enumerated.item]);
1222 return 0;
1223}
1224
1225static int snd_hdspm_get_autosync_sample_rate(snd_kcontrol_t * kcontrol,
1226 snd_ctl_elem_value_t *
1227 ucontrol)
1228{
1229 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1230
1231 switch (hdspm_external_sample_rate(hdspm)) {
1232 case 32000:
1233 ucontrol->value.enumerated.item[0] = 0;
1234 break;
1235 case 44100:
1236 ucontrol->value.enumerated.item[0] = 1;
1237 break;
1238 case 48000:
1239 ucontrol->value.enumerated.item[0] = 2;
1240 break;
1241 case 64000:
1242 ucontrol->value.enumerated.item[0] = 3;
1243 break;
1244 case 88200:
1245 ucontrol->value.enumerated.item[0] = 4;
1246 break;
1247 case 96000:
1248 ucontrol->value.enumerated.item[0] = 5;
1249 break;
1250 case 128000:
1251 ucontrol->value.enumerated.item[0] = 6;
1252 break;
1253 case 176400:
1254 ucontrol->value.enumerated.item[0] = 7;
1255 break;
1256 case 192000:
1257 ucontrol->value.enumerated.item[0] = 8;
1258 break;
1259
1260 default:
1261 ucontrol->value.enumerated.item[0] = 9;
1262 }
1263 return 0;
1264}
1265
1266#define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
1267{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1268 .name = xname, \
1269 .index = xindex, \
1270 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1271 .info = snd_hdspm_info_system_clock_mode, \
1272 .get = snd_hdspm_get_system_clock_mode, \
1273}
1274
1275
1276
1277static int hdspm_system_clock_mode(hdspm_t * hdspm)
1278{
1279 /* Always reflect the hardware info, rme is never wrong !!!! */
1280
1281 if (hdspm->control_register & HDSPM_ClockModeMaster)
1282 return 0;
1283 return 1;
1284}
1285
1286static int snd_hdspm_info_system_clock_mode(snd_kcontrol_t * kcontrol,
1287 snd_ctl_elem_info_t * uinfo)
1288{
1289 static char *texts[] = { "Master", "Slave" };
1290
1291 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1292 uinfo->count = 1;
1293 uinfo->value.enumerated.items = 2;
1294 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1295 uinfo->value.enumerated.item =
1296 uinfo->value.enumerated.items - 1;
1297 strcpy(uinfo->value.enumerated.name,
1298 texts[uinfo->value.enumerated.item]);
1299 return 0;
1300}
1301
1302static int snd_hdspm_get_system_clock_mode(snd_kcontrol_t * kcontrol,
1303 snd_ctl_elem_value_t * ucontrol)
1304{
1305 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1306
1307 ucontrol->value.enumerated.item[0] =
1308 hdspm_system_clock_mode(hdspm);
1309 return 0;
1310}
1311
1312#define HDSPM_CLOCK_SOURCE(xname, xindex) \
1313{ .iface = SNDRV_CTL_ELEM_IFACE_PCM, \
1314 .name = xname, \
1315 .index = xindex, \
1316 .info = snd_hdspm_info_clock_source, \
1317 .get = snd_hdspm_get_clock_source, \
1318 .put = snd_hdspm_put_clock_source \
1319}
1320
1321static int hdspm_clock_source(hdspm_t * hdspm)
1322{
1323 if (hdspm->control_register & HDSPM_ClockModeMaster) {
1324 switch (hdspm->system_sample_rate) {
1325 case 32000:
1326 return 1;
1327 case 44100:
1328 return 2;
1329 case 48000:
1330 return 3;
1331 case 64000:
1332 return 4;
1333 case 88200:
1334 return 5;
1335 case 96000:
1336 return 6;
1337 case 128000:
1338 return 7;
1339 case 176400:
1340 return 8;
1341 case 192000:
1342 return 9;
1343 default:
1344 return 3;
1345 }
1346 } else {
1347 return 0;
1348 }
1349}
1350
1351static int hdspm_set_clock_source(hdspm_t * hdspm, int mode)
1352{
1353 int rate;
1354 switch (mode) {
1355
1356 case HDSPM_CLOCK_SOURCE_AUTOSYNC:
1357 if (hdspm_external_sample_rate(hdspm) != 0) {
1358 hdspm->control_register &= ~HDSPM_ClockModeMaster;
1359 hdspm_write(hdspm, HDSPM_controlRegister,
1360 hdspm->control_register);
1361 return 0;
1362 }
1363 return -1;
1364 case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
1365 rate = 32000;
1366 break;
1367 case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
1368 rate = 44100;
1369 break;
1370 case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
1371 rate = 48000;
1372 break;
1373 case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
1374 rate = 64000;
1375 break;
1376 case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
1377 rate = 88200;
1378 break;
1379 case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
1380 rate = 96000;
1381 break;
1382 case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
1383 rate = 128000;
1384 break;
1385 case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
1386 rate = 176400;
1387 break;
1388 case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
1389 rate = 192000;
1390 break;
1391
1392 default:
1393 rate = 44100;
1394 }
1395 hdspm->control_register |= HDSPM_ClockModeMaster;
1396 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1397 hdspm_set_rate(hdspm, rate, 1);
1398 return 0;
1399}
1400
1401static int snd_hdspm_info_clock_source(snd_kcontrol_t * kcontrol,
1402 snd_ctl_elem_info_t * uinfo)
1403{
1404 static char *texts[] = { "AutoSync",
1405 "Internal 32.0 kHz", "Internal 44.1 kHz",
1406 "Internal 48.0 kHz",
1407 "Internal 64.0 kHz", "Internal 88.2 kHz",
1408 "Internal 96.0 kHz",
1409 "Internal 128.0 kHz", "Internal 176.4 kHz",
1410 "Internal 192.0 kHz"
1411 };
1412
1413 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1414 uinfo->count = 1;
1415 uinfo->value.enumerated.items = 10;
1416
1417 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1418 uinfo->value.enumerated.item =
1419 uinfo->value.enumerated.items - 1;
1420
1421 strcpy(uinfo->value.enumerated.name,
1422 texts[uinfo->value.enumerated.item]);
1423
1424 return 0;
1425}
1426
1427static int snd_hdspm_get_clock_source(snd_kcontrol_t * kcontrol,
1428 snd_ctl_elem_value_t * ucontrol)
1429{
1430 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1431
1432 ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
1433 return 0;
1434}
1435
1436static int snd_hdspm_put_clock_source(snd_kcontrol_t * kcontrol,
1437 snd_ctl_elem_value_t * ucontrol)
1438{
1439 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1440 int change;
1441 int val;
1442
1443 if (!snd_hdspm_use_is_exclusive(hdspm))
1444 return -EBUSY;
1445 val = ucontrol->value.enumerated.item[0];
1446 if (val < 0)
1447 val = 0;
1448 if (val > 6)
1449 val = 6;
1450 spin_lock_irq(&hdspm->lock);
1451 if (val != hdspm_clock_source(hdspm))
1452 change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
1453 else
1454 change = 0;
1455 spin_unlock_irq(&hdspm->lock);
1456 return change;
1457}
1458
1459#define HDSPM_PREF_SYNC_REF(xname, xindex) \
1460{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1461 .name = xname, \
1462 .index = xindex, \
1463 .info = snd_hdspm_info_pref_sync_ref, \
1464 .get = snd_hdspm_get_pref_sync_ref, \
1465 .put = snd_hdspm_put_pref_sync_ref \
1466}
1467
1468static int hdspm_pref_sync_ref(hdspm_t * hdspm)
1469{
1470 /* Notice that this looks at the requested sync source,
1471 not the one actually in use.
1472 */
1473 switch (hdspm->control_register & HDSPM_SyncRefMask) {
1474 case HDSPM_SyncRef_Word:
1475 return HDSPM_SYNC_FROM_WORD;
1476 case HDSPM_SyncRef_MADI:
1477 return HDSPM_SYNC_FROM_MADI;
1478 }
1479
1480 return HDSPM_SYNC_FROM_WORD;
1481}
1482
1483static int hdspm_set_pref_sync_ref(hdspm_t * hdspm, int pref)
1484{
1485 hdspm->control_register &= ~HDSPM_SyncRefMask;
1486
1487 switch (pref) {
1488 case HDSPM_SYNC_FROM_MADI:
1489 hdspm->control_register |= HDSPM_SyncRef_MADI;
1490 break;
1491 case HDSPM_SYNC_FROM_WORD:
1492 hdspm->control_register |= HDSPM_SyncRef_Word;
1493 break;
1494 default:
1495 return -1;
1496 }
1497 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1498 return 0;
1499}
1500
1501static int snd_hdspm_info_pref_sync_ref(snd_kcontrol_t * kcontrol,
1502 snd_ctl_elem_info_t * uinfo)
1503{
1504 static char *texts[] = { "Word", "MADI" };
1505
1506 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1507 uinfo->count = 1;
1508
1509 uinfo->value.enumerated.items = 2;
1510
1511 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1512 uinfo->value.enumerated.item =
1513 uinfo->value.enumerated.items - 1;
1514 strcpy(uinfo->value.enumerated.name,
1515 texts[uinfo->value.enumerated.item]);
1516 return 0;
1517}
1518
1519static int snd_hdspm_get_pref_sync_ref(snd_kcontrol_t * kcontrol,
1520 snd_ctl_elem_value_t * ucontrol)
1521{
1522 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1523
1524 ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
1525 return 0;
1526}
1527
1528static int snd_hdspm_put_pref_sync_ref(snd_kcontrol_t * kcontrol,
1529 snd_ctl_elem_value_t * ucontrol)
1530{
1531 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1532 int change, max;
1533 unsigned int val;
1534
1535 max = 2;
1536
1537 if (!snd_hdspm_use_is_exclusive(hdspm))
1538 return -EBUSY;
1539
1540 val = ucontrol->value.enumerated.item[0] % max;
1541
1542 spin_lock_irq(&hdspm->lock);
1543 change = (int) val != hdspm_pref_sync_ref(hdspm);
1544 hdspm_set_pref_sync_ref(hdspm, val);
1545 spin_unlock_irq(&hdspm->lock);
1546 return change;
1547}
1548
1549#define HDSPM_AUTOSYNC_REF(xname, xindex) \
1550{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1551 .name = xname, \
1552 .index = xindex, \
1553 .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1554 .info = snd_hdspm_info_autosync_ref, \
1555 .get = snd_hdspm_get_autosync_ref, \
1556}
1557
1558static int hdspm_autosync_ref(hdspm_t * hdspm)
1559{
1560 /* This looks at the autosync selected sync reference */
1561 unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
1562
1563 switch (status2 & HDSPM_SelSyncRefMask) {
1564
1565 case HDSPM_SelSyncRef_WORD:
1566 return HDSPM_AUTOSYNC_FROM_WORD;
1567
1568 case HDSPM_SelSyncRef_MADI:
1569 return HDSPM_AUTOSYNC_FROM_MADI;
1570
1571 case HDSPM_SelSyncRef_NVALID:
1572 return HDSPM_AUTOSYNC_FROM_NONE;
1573
1574 default:
1575 return 0;
1576 }
1577
1578 return 0;
1579}
1580
1581static int snd_hdspm_info_autosync_ref(snd_kcontrol_t * kcontrol,
1582 snd_ctl_elem_info_t * uinfo)
1583{
1584 static char *texts[] = { "WordClock", "MADI", "None" };
1585
1586 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1587 uinfo->count = 1;
1588 uinfo->value.enumerated.items = 3;
1589 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1590 uinfo->value.enumerated.item =
1591 uinfo->value.enumerated.items - 1;
1592 strcpy(uinfo->value.enumerated.name,
1593 texts[uinfo->value.enumerated.item]);
1594 return 0;
1595}
1596
1597static int snd_hdspm_get_autosync_ref(snd_kcontrol_t * kcontrol,
1598 snd_ctl_elem_value_t * ucontrol)
1599{
1600 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1601
1602 ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
1603 return 0;
1604}
1605
1606#define HDSPM_LINE_OUT(xname, xindex) \
1607{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1608 .name = xname, \
1609 .index = xindex, \
1610 .info = snd_hdspm_info_line_out, \
1611 .get = snd_hdspm_get_line_out, \
1612 .put = snd_hdspm_put_line_out \
1613}
1614
1615static int hdspm_line_out(hdspm_t * hdspm)
1616{
1617 return (hdspm->control_register & HDSPM_LineOut) ? 1 : 0;
1618}
1619
1620
1621static int hdspm_set_line_output(hdspm_t * hdspm, int out)
1622{
1623 if (out)
1624 hdspm->control_register |= HDSPM_LineOut;
1625 else
1626 hdspm->control_register &= ~HDSPM_LineOut;
1627 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1628
1629 return 0;
1630}
1631
1632static int snd_hdspm_info_line_out(snd_kcontrol_t * kcontrol,
1633 snd_ctl_elem_info_t * uinfo)
1634{
1635 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1636 uinfo->count = 1;
1637 uinfo->value.integer.min = 0;
1638 uinfo->value.integer.max = 1;
1639 return 0;
1640}
1641
1642static int snd_hdspm_get_line_out(snd_kcontrol_t * kcontrol,
1643 snd_ctl_elem_value_t * ucontrol)
1644{
1645 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1646
1647 spin_lock_irq(&hdspm->lock);
1648 ucontrol->value.integer.value[0] = hdspm_line_out(hdspm);
1649 spin_unlock_irq(&hdspm->lock);
1650 return 0;
1651}
1652
1653static int snd_hdspm_put_line_out(snd_kcontrol_t * kcontrol,
1654 snd_ctl_elem_value_t * ucontrol)
1655{
1656 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1657 int change;
1658 unsigned int val;
1659
1660 if (!snd_hdspm_use_is_exclusive(hdspm))
1661 return -EBUSY;
1662 val = ucontrol->value.integer.value[0] & 1;
1663 spin_lock_irq(&hdspm->lock);
1664 change = (int) val != hdspm_line_out(hdspm);
1665 hdspm_set_line_output(hdspm, val);
1666 spin_unlock_irq(&hdspm->lock);
1667 return change;
1668}
1669
1670#define HDSPM_TX_64(xname, xindex) \
1671{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1672 .name = xname, \
1673 .index = xindex, \
1674 .info = snd_hdspm_info_tx_64, \
1675 .get = snd_hdspm_get_tx_64, \
1676 .put = snd_hdspm_put_tx_64 \
1677}
1678
1679static int hdspm_tx_64(hdspm_t * hdspm)
1680{
1681 return (hdspm->control_register & HDSPM_TX_64ch) ? 1 : 0;
1682}
1683
1684static int hdspm_set_tx_64(hdspm_t * hdspm, int out)
1685{
1686 if (out)
1687 hdspm->control_register |= HDSPM_TX_64ch;
1688 else
1689 hdspm->control_register &= ~HDSPM_TX_64ch;
1690 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1691
1692 return 0;
1693}
1694
1695static int snd_hdspm_info_tx_64(snd_kcontrol_t * kcontrol,
1696 snd_ctl_elem_info_t * uinfo)
1697{
1698 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1699 uinfo->count = 1;
1700 uinfo->value.integer.min = 0;
1701 uinfo->value.integer.max = 1;
1702 return 0;
1703}
1704
1705static int snd_hdspm_get_tx_64(snd_kcontrol_t * kcontrol,
1706 snd_ctl_elem_value_t * ucontrol)
1707{
1708 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1709
1710 spin_lock_irq(&hdspm->lock);
1711 ucontrol->value.integer.value[0] = hdspm_tx_64(hdspm);
1712 spin_unlock_irq(&hdspm->lock);
1713 return 0;
1714}
1715
1716static int snd_hdspm_put_tx_64(snd_kcontrol_t * kcontrol,
1717 snd_ctl_elem_value_t * ucontrol)
1718{
1719 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1720 int change;
1721 unsigned int val;
1722
1723 if (!snd_hdspm_use_is_exclusive(hdspm))
1724 return -EBUSY;
1725 val = ucontrol->value.integer.value[0] & 1;
1726 spin_lock_irq(&hdspm->lock);
1727 change = (int) val != hdspm_tx_64(hdspm);
1728 hdspm_set_tx_64(hdspm, val);
1729 spin_unlock_irq(&hdspm->lock);
1730 return change;
1731}
1732
1733#define HDSPM_C_TMS(xname, xindex) \
1734{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1735 .name = xname, \
1736 .index = xindex, \
1737 .info = snd_hdspm_info_c_tms, \
1738 .get = snd_hdspm_get_c_tms, \
1739 .put = snd_hdspm_put_c_tms \
1740}
1741
1742static int hdspm_c_tms(hdspm_t * hdspm)
1743{
1744 return (hdspm->control_register & HDSPM_clr_tms) ? 1 : 0;
1745}
1746
1747static int hdspm_set_c_tms(hdspm_t * hdspm, int out)
1748{
1749 if (out)
1750 hdspm->control_register |= HDSPM_clr_tms;
1751 else
1752 hdspm->control_register &= ~HDSPM_clr_tms;
1753 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1754
1755 return 0;
1756}
1757
1758static int snd_hdspm_info_c_tms(snd_kcontrol_t * kcontrol,
1759 snd_ctl_elem_info_t * uinfo)
1760{
1761 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1762 uinfo->count = 1;
1763 uinfo->value.integer.min = 0;
1764 uinfo->value.integer.max = 1;
1765 return 0;
1766}
1767
1768static int snd_hdspm_get_c_tms(snd_kcontrol_t * kcontrol,
1769 snd_ctl_elem_value_t * ucontrol)
1770{
1771 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1772
1773 spin_lock_irq(&hdspm->lock);
1774 ucontrol->value.integer.value[0] = hdspm_c_tms(hdspm);
1775 spin_unlock_irq(&hdspm->lock);
1776 return 0;
1777}
1778
1779static int snd_hdspm_put_c_tms(snd_kcontrol_t * kcontrol,
1780 snd_ctl_elem_value_t * ucontrol)
1781{
1782 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1783 int change;
1784 unsigned int val;
1785
1786 if (!snd_hdspm_use_is_exclusive(hdspm))
1787 return -EBUSY;
1788 val = ucontrol->value.integer.value[0] & 1;
1789 spin_lock_irq(&hdspm->lock);
1790 change = (int) val != hdspm_c_tms(hdspm);
1791 hdspm_set_c_tms(hdspm, val);
1792 spin_unlock_irq(&hdspm->lock);
1793 return change;
1794}
1795
1796#define HDSPM_SAFE_MODE(xname, xindex) \
1797{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1798 .name = xname, \
1799 .index = xindex, \
1800 .info = snd_hdspm_info_safe_mode, \
1801 .get = snd_hdspm_get_safe_mode, \
1802 .put = snd_hdspm_put_safe_mode \
1803}
1804
1805static int hdspm_safe_mode(hdspm_t * hdspm)
1806{
1807 return (hdspm->control_register & HDSPM_AutoInp) ? 1 : 0;
1808}
1809
1810static int hdspm_set_safe_mode(hdspm_t * hdspm, int out)
1811{
1812 if (out)
1813 hdspm->control_register |= HDSPM_AutoInp;
1814 else
1815 hdspm->control_register &= ~HDSPM_AutoInp;
1816 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1817
1818 return 0;
1819}
1820
1821static int snd_hdspm_info_safe_mode(snd_kcontrol_t * kcontrol,
1822 snd_ctl_elem_info_t * uinfo)
1823{
1824 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1825 uinfo->count = 1;
1826 uinfo->value.integer.min = 0;
1827 uinfo->value.integer.max = 1;
1828 return 0;
1829}
1830
1831static int snd_hdspm_get_safe_mode(snd_kcontrol_t * kcontrol,
1832 snd_ctl_elem_value_t * ucontrol)
1833{
1834 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1835
1836 spin_lock_irq(&hdspm->lock);
1837 ucontrol->value.integer.value[0] = hdspm_safe_mode(hdspm);
1838 spin_unlock_irq(&hdspm->lock);
1839 return 0;
1840}
1841
1842static int snd_hdspm_put_safe_mode(snd_kcontrol_t * kcontrol,
1843 snd_ctl_elem_value_t * ucontrol)
1844{
1845 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1846 int change;
1847 unsigned int val;
1848
1849 if (!snd_hdspm_use_is_exclusive(hdspm))
1850 return -EBUSY;
1851 val = ucontrol->value.integer.value[0] & 1;
1852 spin_lock_irq(&hdspm->lock);
1853 change = (int) val != hdspm_safe_mode(hdspm);
1854 hdspm_set_safe_mode(hdspm, val);
1855 spin_unlock_irq(&hdspm->lock);
1856 return change;
1857}
1858
1859#define HDSPM_INPUT_SELECT(xname, xindex) \
1860{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1861 .name = xname, \
1862 .index = xindex, \
1863 .info = snd_hdspm_info_input_select, \
1864 .get = snd_hdspm_get_input_select, \
1865 .put = snd_hdspm_put_input_select \
1866}
1867
1868static int hdspm_input_select(hdspm_t * hdspm)
1869{
1870 return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
1871}
1872
1873static int hdspm_set_input_select(hdspm_t * hdspm, int out)
1874{
1875 if (out)
1876 hdspm->control_register |= HDSPM_InputSelect0;
1877 else
1878 hdspm->control_register &= ~HDSPM_InputSelect0;
1879 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
1880
1881 return 0;
1882}
1883
1884static int snd_hdspm_info_input_select(snd_kcontrol_t * kcontrol,
1885 snd_ctl_elem_info_t * uinfo)
1886{
1887 static char *texts[] = { "optical", "coaxial" };
1888
1889 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1890 uinfo->count = 1;
1891 uinfo->value.enumerated.items = 2;
1892
1893 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1894 uinfo->value.enumerated.item =
1895 uinfo->value.enumerated.items - 1;
1896 strcpy(uinfo->value.enumerated.name,
1897 texts[uinfo->value.enumerated.item]);
1898
1899 return 0;
1900}
1901
1902static int snd_hdspm_get_input_select(snd_kcontrol_t * kcontrol,
1903 snd_ctl_elem_value_t * ucontrol)
1904{
1905 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1906
1907 spin_lock_irq(&hdspm->lock);
1908 ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
1909 spin_unlock_irq(&hdspm->lock);
1910 return 0;
1911}
1912
1913static int snd_hdspm_put_input_select(snd_kcontrol_t * kcontrol,
1914 snd_ctl_elem_value_t * ucontrol)
1915{
1916 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1917 int change;
1918 unsigned int val;
1919
1920 if (!snd_hdspm_use_is_exclusive(hdspm))
1921 return -EBUSY;
1922 val = ucontrol->value.integer.value[0] & 1;
1923 spin_lock_irq(&hdspm->lock);
1924 change = (int) val != hdspm_input_select(hdspm);
1925 hdspm_set_input_select(hdspm, val);
1926 spin_unlock_irq(&hdspm->lock);
1927 return change;
1928}
1929
1930/* Simple Mixer
1931 deprecated since to much faders ???
1932 MIXER interface says output (source, destination, value)
1933 where source > MAX_channels are playback channels
1934 on MADICARD
1935 - playback mixer matrix: [channelout+64] [output] [value]
1936 - input(thru) mixer matrix: [channelin] [output] [value]
1937 (better do 2 kontrols for seperation ?)
1938*/
1939
1940#define HDSPM_MIXER(xname, xindex) \
1941{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
1942 .name = xname, \
1943 .index = xindex, \
1944 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
1945 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
1946 .info = snd_hdspm_info_mixer, \
1947 .get = snd_hdspm_get_mixer, \
1948 .put = snd_hdspm_put_mixer \
1949}
1950
1951static int snd_hdspm_info_mixer(snd_kcontrol_t * kcontrol,
1952 snd_ctl_elem_info_t * uinfo)
1953{
1954 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1955 uinfo->count = 3;
1956 uinfo->value.integer.min = 0;
1957 uinfo->value.integer.max = 65535;
1958 uinfo->value.integer.step = 1;
1959 return 0;
1960}
1961
1962static int snd_hdspm_get_mixer(snd_kcontrol_t * kcontrol,
1963 snd_ctl_elem_value_t * ucontrol)
1964{
1965 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1966 int source;
1967 int destination;
1968
1969 source = ucontrol->value.integer.value[0];
1970 if (source < 0)
1971 source = 0;
1972 else if (source >= 2 * HDSPM_MAX_CHANNELS)
1973 source = 2 * HDSPM_MAX_CHANNELS - 1;
1974
1975 destination = ucontrol->value.integer.value[1];
1976 if (destination < 0)
1977 destination = 0;
1978 else if (destination >= HDSPM_MAX_CHANNELS)
1979 destination = HDSPM_MAX_CHANNELS - 1;
1980
1981 spin_lock_irq(&hdspm->lock);
1982 if (source >= HDSPM_MAX_CHANNELS)
1983 ucontrol->value.integer.value[2] =
1984 hdspm_read_pb_gain(hdspm, destination,
1985 source - HDSPM_MAX_CHANNELS);
1986 else
1987 ucontrol->value.integer.value[2] =
1988 hdspm_read_in_gain(hdspm, destination, source);
1989
1990 spin_unlock_irq(&hdspm->lock);
1991
1992 return 0;
1993}
1994
1995static int snd_hdspm_put_mixer(snd_kcontrol_t * kcontrol,
1996 snd_ctl_elem_value_t * ucontrol)
1997{
1998 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
1999 int change;
2000 int source;
2001 int destination;
2002 int gain;
2003
2004 if (!snd_hdspm_use_is_exclusive(hdspm))
2005 return -EBUSY;
2006
2007 source = ucontrol->value.integer.value[0];
2008 destination = ucontrol->value.integer.value[1];
2009
2010 if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
2011 return -1;
2012 if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
2013 return -1;
2014
2015 gain = ucontrol->value.integer.value[2];
2016
2017 spin_lock_irq(&hdspm->lock);
2018
2019 if (source >= HDSPM_MAX_CHANNELS)
2020 change = gain != hdspm_read_pb_gain(hdspm, destination,
2021 source -
2022 HDSPM_MAX_CHANNELS);
2023 else
2024 change =
2025 gain != hdspm_read_in_gain(hdspm, destination, source);
2026
2027 if (change) {
2028 if (source >= HDSPM_MAX_CHANNELS)
2029 hdspm_write_pb_gain(hdspm, destination,
2030 source - HDSPM_MAX_CHANNELS,
2031 gain);
2032 else
2033 hdspm_write_in_gain(hdspm, destination, source,
2034 gain);
2035 }
2036 spin_unlock_irq(&hdspm->lock);
2037
2038 return change;
2039}
2040
2041/* The simple mixer control(s) provide gain control for the
2042 basic 1:1 mappings of playback streams to output
2043 streams.
2044*/
2045
2046#define HDSPM_PLAYBACK_MIXER \
2047{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2048 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
2049 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2050 .info = snd_hdspm_info_playback_mixer, \
2051 .get = snd_hdspm_get_playback_mixer, \
2052 .put = snd_hdspm_put_playback_mixer \
2053}
2054
2055static int snd_hdspm_info_playback_mixer(snd_kcontrol_t * kcontrol,
2056 snd_ctl_elem_info_t * uinfo)
2057{
2058 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2059 uinfo->count = 1;
2060 uinfo->value.integer.min = 0;
2061 uinfo->value.integer.max = 65536;
2062 uinfo->value.integer.step = 1;
2063 return 0;
2064}
2065
2066static int snd_hdspm_get_playback_mixer(snd_kcontrol_t * kcontrol,
2067 snd_ctl_elem_value_t * ucontrol)
2068{
2069 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
2070 int channel;
2071 int mapped_channel;
2072
2073 channel = ucontrol->id.index - 1;
2074
2075 snd_assert(channel >= 0
2076 || channel < HDSPM_MAX_CHANNELS, return -EINVAL);
2077
2078 if ((mapped_channel = hdspm->channel_map[channel]) < 0)
2079 return -EINVAL;
2080
2081 spin_lock_irq(&hdspm->lock);
2082 ucontrol->value.integer.value[0] =
2083 hdspm_read_pb_gain(hdspm, mapped_channel, mapped_channel);
2084 spin_unlock_irq(&hdspm->lock);
2085
2086 /* snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, value %d\n",
2087 ucontrol->id.index, channel, mapped_channel, ucontrol->value.integer.value[0]);
2088 */
2089
2090 return 0;
2091}
2092
2093static int snd_hdspm_put_playback_mixer(snd_kcontrol_t * kcontrol,
2094 snd_ctl_elem_value_t * ucontrol)
2095{
2096 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
2097 int change;
2098 int channel;
2099 int mapped_channel;
2100 int gain;
2101
2102 if (!snd_hdspm_use_is_exclusive(hdspm))
2103 return -EBUSY;
2104
2105 channel = ucontrol->id.index - 1;
2106
2107 snd_assert(channel >= 0
2108 || channel < HDSPM_MAX_CHANNELS, return -EINVAL);
2109
2110 if ((mapped_channel = hdspm->channel_map[channel]) < 0)
2111 return -EINVAL;
2112
2113 gain = ucontrol->value.integer.value[0];
2114
2115 spin_lock_irq(&hdspm->lock);
2116 change =
2117 gain != hdspm_read_pb_gain(hdspm, mapped_channel,
2118 mapped_channel);
2119 if (change)
2120 hdspm_write_pb_gain(hdspm, mapped_channel, mapped_channel,
2121 gain);
2122 spin_unlock_irq(&hdspm->lock);
2123 return change;
2124}
2125
2126#define HDSPM_WC_SYNC_CHECK(xname, xindex) \
2127{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2128 .name = xname, \
2129 .index = xindex, \
2130 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2131 .info = snd_hdspm_info_sync_check, \
2132 .get = snd_hdspm_get_wc_sync_check \
2133}
2134
2135static int snd_hdspm_info_sync_check(snd_kcontrol_t * kcontrol,
2136 snd_ctl_elem_info_t * uinfo)
2137{
2138 static char *texts[] = { "No Lock", "Lock", "Sync" };
2139 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2140 uinfo->count = 1;
2141 uinfo->value.enumerated.items = 3;
2142 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2143 uinfo->value.enumerated.item =
2144 uinfo->value.enumerated.items - 1;
2145 strcpy(uinfo->value.enumerated.name,
2146 texts[uinfo->value.enumerated.item]);
2147 return 0;
2148}
2149
2150static int hdspm_wc_sync_check(hdspm_t * hdspm)
2151{
2152 int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
2153 if (status2 & HDSPM_wcLock) {
2154 if (status2 & HDSPM_wcSync)
2155 return 2;
2156 else
2157 return 1;
2158 }
2159 return 0;
2160}
2161
2162static int snd_hdspm_get_wc_sync_check(snd_kcontrol_t * kcontrol,
2163 snd_ctl_elem_value_t * ucontrol)
2164{
2165 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
2166
2167 ucontrol->value.enumerated.item[0] = hdspm_wc_sync_check(hdspm);
2168 return 0;
2169}
2170
2171
2172#define HDSPM_MADI_SYNC_CHECK(xname, xindex) \
2173{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2174 .name = xname, \
2175 .index = xindex, \
2176 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2177 .info = snd_hdspm_info_sync_check, \
2178 .get = snd_hdspm_get_madisync_sync_check \
2179}
2180
2181static int hdspm_madisync_sync_check(hdspm_t * hdspm)
2182{
2183 int status = hdspm_read(hdspm, HDSPM_statusRegister);
2184 if (status & HDSPM_madiLock) {
2185 if (status & HDSPM_madiSync)
2186 return 2;
2187 else
2188 return 1;
2189 }
2190 return 0;
2191}
2192
2193static int snd_hdspm_get_madisync_sync_check(snd_kcontrol_t * kcontrol,
2194 snd_ctl_elem_value_t *
2195 ucontrol)
2196{
2197 hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
2198
2199 ucontrol->value.enumerated.item[0] =
2200 hdspm_madisync_sync_check(hdspm);
2201 return 0;
2202}
2203
2204
2205
2206
2207static snd_kcontrol_new_t snd_hdspm_controls[] = {
2208
2209 HDSPM_MIXER("Mixer", 0),
2210/* 'Sample Clock Source' complies with the alsa control naming scheme */
2211 HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),
2212
2213 HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
2214 HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
2215 HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
2216 HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
2217/* 'External Rate' complies with the alsa control naming scheme */
2218 HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
2219 HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
2220 HDSPM_MADI_SYNC_CHECK("MADI Sync Lock Status", 0),
2221 HDSPM_LINE_OUT("Line Out", 0),
2222 HDSPM_TX_64("TX 64 channels mode", 0),
2223 HDSPM_C_TMS("Clear Track Marker", 0),
2224 HDSPM_SAFE_MODE("Safe Mode", 0),
2225 HDSPM_INPUT_SELECT("Input Select", 0),
2226};
2227
2228static snd_kcontrol_new_t snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
2229
2230
2231static int hdspm_update_simple_mixer_controls(hdspm_t * hdspm)
2232{
2233 int i;
2234
2235 for (i = hdspm->ds_channels; i < hdspm->ss_channels; ++i) {
2236 if (hdspm->system_sample_rate > 48000) {
2237 hdspm->playback_mixer_ctls[i]->vd[0].access =
2238 SNDRV_CTL_ELEM_ACCESS_INACTIVE |
2239 SNDRV_CTL_ELEM_ACCESS_READ |
2240 SNDRV_CTL_ELEM_ACCESS_VOLATILE;
2241 } else {
2242 hdspm->playback_mixer_ctls[i]->vd[0].access =
2243 SNDRV_CTL_ELEM_ACCESS_READWRITE |
2244 SNDRV_CTL_ELEM_ACCESS_VOLATILE;
2245 }
2246 snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
2247 SNDRV_CTL_EVENT_MASK_INFO,
2248 &hdspm->playback_mixer_ctls[i]->id);
2249 }
2250
2251 return 0;
2252}
2253
2254
2255static int snd_hdspm_create_controls(snd_card_t * card, hdspm_t * hdspm)
2256{
2257 unsigned int idx, limit;
2258 int err;
2259 snd_kcontrol_t *kctl;
2260
2261 /* add control list first */
2262
2263 for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls); idx++) {
2264 if ((err =
2265 snd_ctl_add(card, kctl =
2266 snd_ctl_new1(&snd_hdspm_controls[idx],
2267 hdspm))) < 0) {
2268 return err;
2269 }
2270 }
2271
2272 /* Channel playback mixer as default control
2273 Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats to big for any alsamixer
2274 they are accesible via special IOCTL on hwdep
2275 and the mixer 2dimensional mixer control */
2276
2277 snd_hdspm_playback_mixer.name = "Chn";
2278 limit = HDSPM_MAX_CHANNELS;
2279
2280 /* The index values are one greater than the channel ID so that alsamixer
2281 will display them correctly. We want to use the index for fast lookup
2282 of the relevant channel, but if we use it at all, most ALSA software
2283 does the wrong thing with it ...
2284 */
2285
2286 for (idx = 0; idx < limit; ++idx) {
2287 snd_hdspm_playback_mixer.index = idx + 1;
2288 if ((err = snd_ctl_add(card,
2289 kctl =
2290 snd_ctl_new1
2291 (&snd_hdspm_playback_mixer,
2292 hdspm)))) {
2293 return err;
2294 }
2295 hdspm->playback_mixer_ctls[idx] = kctl;
2296 }
2297
2298 return 0;
2299}
2300
2301/*------------------------------------------------------------
2302 /proc interface
2303 ------------------------------------------------------------*/
2304
2305static void
2306snd_hdspm_proc_read(snd_info_entry_t * entry, snd_info_buffer_t * buffer)
2307{
2308 hdspm_t *hdspm = (hdspm_t *) entry->private_data;
2309 unsigned int status;
2310 unsigned int status2;
2311 char *pref_sync_ref;
2312 char *autosync_ref;
2313 char *system_clock_mode;
2314 char *clock_source;
2315 char *insel;
2316 char *syncref;
2317 int x, x2;
2318
2319 status = hdspm_read(hdspm, HDSPM_statusRegister);
2320 status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
2321
2322 snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
2323 hdspm->card_name, hdspm->card->number + 1,
2324 hdspm->firmware_rev,
2325 (status2 & HDSPM_version0) |
2326 (status2 & HDSPM_version1) | (status2 &
2327 HDSPM_version2));
2328
2329 snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
2330 hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
2331
2332 snd_iprintf(buffer, "--- System ---\n");
2333
2334 snd_iprintf(buffer,
2335 "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
2336 status & HDSPM_audioIRQPending,
2337 (status & HDSPM_midi0IRQPending) ? 1 : 0,
2338 (status & HDSPM_midi1IRQPending) ? 1 : 0,
2339 hdspm->irq_count);
2340 snd_iprintf(buffer,
2341 "HW pointer: id = %d, rawptr = %d (%d->%d) estimated= %ld (bytes)\n",
2342 ((status & HDSPM_BufferID) ? 1 : 0),
2343 (status & HDSPM_BufferPositionMask),
2344 (status & HDSPM_BufferPositionMask) % (2 *
2345 (int)hdspm->
2346 period_bytes),
2347 ((status & HDSPM_BufferPositionMask) -
2348 64) % (2 * (int)hdspm->period_bytes),
2349 (long) hdspm_hw_pointer(hdspm) * 4);
2350
2351 snd_iprintf(buffer,
2352 "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
2353 hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
2354 hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
2355 hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
2356 hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
2357 snd_iprintf(buffer,
2358 "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, status2=0x%x\n",
2359 hdspm->control_register, hdspm->control2_register,
2360 status, status2);
2361
2362 snd_iprintf(buffer, "--- Settings ---\n");
2363
2364 x = 1 << (6 +
2365 hdspm_decode_latency(hdspm->
2366 control_register &
2367 HDSPM_LatencyMask));
2368
2369 snd_iprintf(buffer,
2370 "Size (Latency): %d samples (2 periods of %lu bytes)\n",
2371 x, (unsigned long) hdspm->period_bytes);
2372
2373 snd_iprintf(buffer, "Line out: %s, Precise Pointer: %s\n",
2374 (hdspm->
2375 control_register & HDSPM_LineOut) ? "on " : "off",
2376 (hdspm->precise_ptr) ? "on" : "off");
2377
2378 switch (hdspm->control_register & HDSPM_InputMask) {
2379 case HDSPM_InputOptical:
2380 insel = "Optical";
2381 break;
2382 case HDSPM_InputCoaxial:
2383 insel = "Coaxial";
2384 break;
2385 default:
2386 insel = "Unkown";
2387 }
2388
2389 switch (hdspm->control_register & HDSPM_SyncRefMask) {
2390 case HDSPM_SyncRef_Word:
2391 syncref = "WordClock";
2392 break;
2393 case HDSPM_SyncRef_MADI:
2394 syncref = "MADI";
2395 break;
2396 default:
2397 syncref = "Unkown";
2398 }
2399 snd_iprintf(buffer, "Inputsel = %s, SyncRef = %s\n", insel,
2400 syncref);
2401
2402 snd_iprintf(buffer,
2403 "ClearTrackMarker = %s, Transmit in %s Channel Mode, Auto Input %s\n",
2404 (hdspm->
2405 control_register & HDSPM_clr_tms) ? "on" : "off",
2406 (hdspm->
2407 control_register & HDSPM_TX_64ch) ? "64" : "56",
2408 (hdspm->
2409 control_register & HDSPM_AutoInp) ? "on" : "off");
2410
2411 switch (hdspm_clock_source(hdspm)) {
2412 case HDSPM_CLOCK_SOURCE_AUTOSYNC:
2413 clock_source = "AutoSync";
2414 break;
2415 case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
2416 clock_source = "Internal 32 kHz";
2417 break;
2418 case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
2419 clock_source = "Internal 44.1 kHz";
2420 break;
2421 case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
2422 clock_source = "Internal 48 kHz";
2423 break;
2424 case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
2425 clock_source = "Internal 64 kHz";
2426 break;
2427 case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
2428 clock_source = "Internal 88.2 kHz";
2429 break;
2430 case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
2431 clock_source = "Internal 96 kHz";
2432 break;
2433 default:
2434 clock_source = "Error";
2435 }
2436 snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
2437 if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
2438 system_clock_mode = "Slave";
2439 } else {
2440 system_clock_mode = "Master";
2441 }
2442 snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);
2443
2444 switch (hdspm_pref_sync_ref(hdspm)) {
2445 case HDSPM_SYNC_FROM_WORD:
2446 pref_sync_ref = "Word Clock";
2447 break;
2448 case HDSPM_SYNC_FROM_MADI:
2449 pref_sync_ref = "MADI Sync";
2450 break;
2451 default:
2452 pref_sync_ref = "XXXX Clock";
2453 break;
2454 }
2455 snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
2456 pref_sync_ref);
2457
2458 snd_iprintf(buffer, "System Clock Frequency: %d\n",
2459 hdspm->system_sample_rate);
2460
2461
2462 snd_iprintf(buffer, "--- Status:\n");
2463
2464 x = status & HDSPM_madiSync;
2465 x2 = status2 & HDSPM_wcSync;
2466
2467 snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
2468 (status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
2469 "NoLock",
2470 (status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
2471 "NoLock");
2472
2473 switch (hdspm_autosync_ref(hdspm)) {
2474 case HDSPM_AUTOSYNC_FROM_WORD:
2475 autosync_ref = "Word Clock";
2476 break;
2477 case HDSPM_AUTOSYNC_FROM_MADI:
2478 autosync_ref = "MADI Sync";
2479 break;
2480 case HDSPM_AUTOSYNC_FROM_NONE:
2481 autosync_ref = "Input not valid";
2482 break;
2483 default:
2484 autosync_ref = "---";
2485 break;
2486 }
2487 snd_iprintf(buffer,
2488 "AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
2489 autosync_ref, hdspm_external_sample_rate(hdspm),
2490 (status & HDSPM_madiFreqMask) >> 22,
2491 (status2 & HDSPM_wcFreqMask) >> 5);
2492
2493 snd_iprintf(buffer, "Input: %s, Mode=%s\n",
2494 (status & HDSPM_AB_int) ? "Coax" : "Optical",
2495 (status & HDSPM_RX_64ch) ? "64 channels" :
2496 "56 channels");
2497
2498 snd_iprintf(buffer, "\n");
2499}
2500
2501static void __devinit snd_hdspm_proc_init(hdspm_t * hdspm)
2502{
2503 snd_info_entry_t *entry;
2504
2505 if (!snd_card_proc_new(hdspm->card, "hdspm", &entry))
2506 snd_info_set_text_ops(entry, hdspm, 1024,
2507 snd_hdspm_proc_read);
2508}
2509
2510/*------------------------------------------------------------
2511 hdspm intitialize
2512 ------------------------------------------------------------*/
2513
2514static int snd_hdspm_set_defaults(hdspm_t * hdspm)
2515{
2516 unsigned int i;
2517
2518 /* ASSUMPTION: hdspm->lock is either held, or there is no need to
2519 hold it (e.g. during module initalization).
2520 */
2521
2522 /* set defaults: */
2523
2524 hdspm->control_register = HDSPM_ClockModeMaster | /* Master Cloack Mode on */
2525 hdspm_encode_latency(7) | /* latency maximum = 8192 samples */
2526 HDSPM_InputCoaxial | /* Input Coax not Optical */
2527 HDSPM_SyncRef_MADI | /* Madi is syncclock */
2528 HDSPM_LineOut | /* Analog output in */
2529 HDSPM_TX_64ch | /* transmit in 64ch mode */
2530 HDSPM_AutoInp; /* AutoInput chossing (takeover) */
2531
2532 /* ! HDSPM_Frequency0|HDSPM_Frequency1 = 44.1khz */
2533 /* ! HDSPM_DoubleSpeed HDSPM_QuadSpeed = normal speed */
2534 /* ! HDSPM_clr_tms = do not clear bits in track marks */
2535
2536 hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
2537
2538#ifdef SNDRV_BIG_ENDIAN
2539 hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
2540#else
2541 hdspm->control2_register = 0;
2542#endif
2543
2544 hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
2545 hdspm_compute_period_size(hdspm);
2546
2547 /* silence everything */
2548
2549 all_in_all_mixer(hdspm, 0 * UNITY_GAIN);
2550
2551 if (line_outs_monitor[hdspm->dev]) {
2552
2553 snd_printk(KERN_INFO "HDSPM: sending all playback streams to line outs.\n");
2554
2555 for (i = 0; i < HDSPM_MIXER_CHANNELS; i++) {
2556 if (hdspm_write_pb_gain(hdspm, i, i, UNITY_GAIN))
2557 return -EIO;
2558 }
2559 }
2560
2561 /* set a default rate so that the channel map is set up. */
2562 hdspm->channel_map = channel_map_madi_ss;
2563 hdspm_set_rate(hdspm, 44100, 1);
2564
2565 return 0;
2566}
2567
2568
2569/*------------------------------------------------------------
2570 interupt
2571 ------------------------------------------------------------*/
2572
2573static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id,
2574 struct pt_regs *regs)
2575{
2576 hdspm_t *hdspm = (hdspm_t *) dev_id;
2577 unsigned int status;
2578 int audio;
2579 int midi0;
2580 int midi1;
2581 unsigned int midi0status;
2582 unsigned int midi1status;
2583 int schedule = 0;
2584
2585 status = hdspm_read(hdspm, HDSPM_statusRegister);
2586
2587 audio = status & HDSPM_audioIRQPending;
2588 midi0 = status & HDSPM_midi0IRQPending;
2589 midi1 = status & HDSPM_midi1IRQPending;
2590
2591 if (!audio && !midi0 && !midi1)
2592 return IRQ_NONE;
2593
2594 hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
2595 hdspm->irq_count++;
2596
2597 midi0status = hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff;
2598 midi1status = hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff;
2599
2600 if (audio) {
2601
2602 if (hdspm->capture_substream)
2603 snd_pcm_period_elapsed(hdspm->pcm->
2604 streams
2605 [SNDRV_PCM_STREAM_CAPTURE].
2606 substream);
2607
2608 if (hdspm->playback_substream)
2609 snd_pcm_period_elapsed(hdspm->pcm->
2610 streams
2611 [SNDRV_PCM_STREAM_PLAYBACK].
2612 substream);
2613 }
2614
2615 if (midi0 && midi0status) {
2616 /* we disable interrupts for this input until processing is done */
2617 hdspm->control_register &= ~HDSPM_Midi0InterruptEnable;
2618 hdspm_write(hdspm, HDSPM_controlRegister,
2619 hdspm->control_register);
2620 hdspm->midi[0].pending = 1;
2621 schedule = 1;
2622 }
2623 if (midi1 && midi1status) {
2624 /* we disable interrupts for this input until processing is done */
2625 hdspm->control_register &= ~HDSPM_Midi1InterruptEnable;
2626 hdspm_write(hdspm, HDSPM_controlRegister,
2627 hdspm->control_register);
2628 hdspm->midi[1].pending = 1;
2629 schedule = 1;
2630 }
2631 if (schedule)
2632 tasklet_hi_schedule(&hdspm->midi_tasklet);
2633 return IRQ_HANDLED;
2634}
2635
2636/*------------------------------------------------------------
2637 pcm interface
2638 ------------------------------------------------------------*/
2639
2640
2641static snd_pcm_uframes_t snd_hdspm_hw_pointer(snd_pcm_substream_t *
2642 substream)
2643{
2644 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2645 return hdspm_hw_pointer(hdspm);
2646}
2647
2648static char *hdspm_channel_buffer_location(hdspm_t * hdspm,
2649 int stream, int channel)
2650{
2651 int mapped_channel;
2652
2653 snd_assert(channel >= 0
2654 || channel < HDSPM_MAX_CHANNELS, return NULL);
2655
2656 if ((mapped_channel = hdspm->channel_map[channel]) < 0)
2657 return NULL;
2658
2659 if (stream == SNDRV_PCM_STREAM_CAPTURE) {
2660 return hdspm->capture_buffer +
2661 mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
2662 } else {
2663 return hdspm->playback_buffer +
2664 mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
2665 }
2666}
2667
2668
2669/* dont know why need it ??? */
2670static int snd_hdspm_playback_copy(snd_pcm_substream_t * substream,
2671 int channel, snd_pcm_uframes_t pos,
2672 void __user *src, snd_pcm_uframes_t count)
2673{
2674 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2675 char *channel_buf;
2676
2677 snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
2678 return -EINVAL);
2679
2680 channel_buf = hdspm_channel_buffer_location(hdspm,
2681 substream->pstr->
2682 stream, channel);
2683
2684 snd_assert(channel_buf != NULL, return -EIO);
2685
2686 return copy_from_user(channel_buf + pos * 4, src, count * 4);
2687}
2688
2689static int snd_hdspm_capture_copy(snd_pcm_substream_t * substream,
2690 int channel, snd_pcm_uframes_t pos,
2691 void __user *dst, snd_pcm_uframes_t count)
2692{
2693 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2694 char *channel_buf;
2695
2696 snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
2697 return -EINVAL);
2698
2699 channel_buf = hdspm_channel_buffer_location(hdspm,
2700 substream->pstr->
2701 stream, channel);
2702 snd_assert(channel_buf != NULL, return -EIO);
2703 return copy_to_user(dst, channel_buf + pos * 4, count * 4);
2704}
2705
2706static int snd_hdspm_hw_silence(snd_pcm_substream_t * substream,
2707 int channel, snd_pcm_uframes_t pos,
2708 snd_pcm_uframes_t count)
2709{
2710 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2711 char *channel_buf;
2712
2713 channel_buf =
2714 hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
2715 channel);
2716 snd_assert(channel_buf != NULL, return -EIO);
2717 memset(channel_buf + pos * 4, 0, count * 4);
2718 return 0;
2719}
2720
2721static int snd_hdspm_reset(snd_pcm_substream_t * substream)
2722{
2723 snd_pcm_runtime_t *runtime = substream->runtime;
2724 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2725 snd_pcm_substream_t *other;
2726
2727 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2728 other = hdspm->capture_substream;
2729 else
2730 other = hdspm->playback_substream;
2731
2732 if (hdspm->running)
2733 runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
2734 else
2735 runtime->status->hw_ptr = 0;
2736 if (other) {
2737 struct list_head *pos;
2738 snd_pcm_substream_t *s;
2739 snd_pcm_runtime_t *oruntime = other->runtime;
2740 snd_pcm_group_for_each(pos, substream) {
2741 s = snd_pcm_group_substream_entry(pos);
2742 if (s == other) {
2743 oruntime->status->hw_ptr =
2744 runtime->status->hw_ptr;
2745 break;
2746 }
2747 }
2748 }
2749 return 0;
2750}
2751
2752static int snd_hdspm_hw_params(snd_pcm_substream_t * substream,
2753 snd_pcm_hw_params_t * params)
2754{
2755 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2756 int err;
2757 int i;
2758 pid_t this_pid;
2759 pid_t other_pid;
2760 struct snd_sg_buf *sgbuf;
2761
2762
2763 spin_lock_irq(&hdspm->lock);
2764
2765 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2766 this_pid = hdspm->playback_pid;
2767 other_pid = hdspm->capture_pid;
2768 } else {
2769 this_pid = hdspm->capture_pid;
2770 other_pid = hdspm->playback_pid;
2771 }
2772
2773 if ((other_pid > 0) && (this_pid != other_pid)) {
2774
2775 /* The other stream is open, and not by the same
2776 task as this one. Make sure that the parameters
2777 that matter are the same.
2778 */
2779
2780 if (params_rate(params) != hdspm->system_sample_rate) {
2781 spin_unlock_irq(&hdspm->lock);
2782 _snd_pcm_hw_param_setempty(params,
2783 SNDRV_PCM_HW_PARAM_RATE);
2784 return -EBUSY;
2785 }
2786
2787 if (params_period_size(params) != hdspm->period_bytes / 4) {
2788 spin_unlock_irq(&hdspm->lock);
2789 _snd_pcm_hw_param_setempty(params,
2790 SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2791 return -EBUSY;
2792 }
2793
2794 }
2795 /* We're fine. */
2796 spin_unlock_irq(&hdspm->lock);
2797
2798 /* how to make sure that the rate matches an externally-set one ? */
2799
2800 spin_lock_irq(&hdspm->lock);
2801 if ((err = hdspm_set_rate(hdspm, params_rate(params), 0)) < 0) {
2802 spin_unlock_irq(&hdspm->lock);
2803 _snd_pcm_hw_param_setempty(params,
2804 SNDRV_PCM_HW_PARAM_RATE);
2805 return err;
2806 }
2807 spin_unlock_irq(&hdspm->lock);
2808
2809 if ((err =
2810 hdspm_set_interrupt_interval(hdspm,
2811 params_period_size(params))) <
2812 0) {
2813 _snd_pcm_hw_param_setempty(params,
2814 SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
2815 return err;
2816 }
2817
2818 /* Memory allocation, takashi's method, dont know if we should spinlock */
2819 /* malloc all buffer even if not enabled to get sure */
2820 /* malloc only needed bytes */
2821 err =
2822 snd_pcm_lib_malloc_pages(substream,
2823 HDSPM_CHANNEL_BUFFER_BYTES *
2824 params_channels(params));
2825 if (err < 0)
2826 return err;
2827
2828 sgbuf = snd_pcm_substream_sgbuf(substream);
2829
2830 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2831
2832 hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferOut,
2833 params_channels(params));
2834
2835 for (i = 0; i < params_channels(params); ++i)
2836 snd_hdspm_enable_out(hdspm, i, 1);
2837
2838 hdspm->playback_buffer =
2839 (unsigned char *) substream->runtime->dma_area;
2840 } else {
2841 hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferIn,
2842 params_channels(params));
2843
2844 for (i = 0; i < params_channels(params); ++i)
2845 snd_hdspm_enable_in(hdspm, i, 1);
2846
2847 hdspm->capture_buffer =
2848 (unsigned char *) substream->runtime->dma_area;
2849 }
2850 return 0;
2851}
2852
2853static int snd_hdspm_hw_free(snd_pcm_substream_t * substream)
2854{
2855 int i;
2856 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2857
2858 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2859
2860 /* params_channels(params) should be enough,
2861 but to get sure in case of error */
2862 for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
2863 snd_hdspm_enable_out(hdspm, i, 0);
2864
2865 hdspm->playback_buffer = NULL;
2866 } else {
2867 for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
2868 snd_hdspm_enable_in(hdspm, i, 0);
2869
2870 hdspm->capture_buffer = NULL;
2871
2872 }
2873
2874 snd_pcm_lib_free_pages(substream);
2875
2876 return 0;
2877}
2878
2879static int snd_hdspm_channel_info(snd_pcm_substream_t * substream,
2880 snd_pcm_channel_info_t * info)
2881{
2882 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2883 int mapped_channel;
2884
2885 snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL);
2886
2887 if ((mapped_channel = hdspm->channel_map[info->channel]) < 0)
2888 return -EINVAL;
2889
2890 info->offset = mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
2891 info->first = 0;
2892 info->step = 32;
2893 return 0;
2894}
2895
2896static int snd_hdspm_ioctl(snd_pcm_substream_t * substream,
2897 unsigned int cmd, void *arg)
2898{
2899 switch (cmd) {
2900 case SNDRV_PCM_IOCTL1_RESET:
2901 {
2902 return snd_hdspm_reset(substream);
2903 }
2904
2905 case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
2906 {
2907 snd_pcm_channel_info_t *info = arg;
2908 return snd_hdspm_channel_info(substream, info);
2909 }
2910 default:
2911 break;
2912 }
2913
2914 return snd_pcm_lib_ioctl(substream, cmd, arg);
2915}
2916
2917static int snd_hdspm_trigger(snd_pcm_substream_t * substream, int cmd)
2918{
2919 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
2920 snd_pcm_substream_t *other;
2921 int running;
2922
2923 spin_lock(&hdspm->lock);
2924 running = hdspm->running;
2925 switch (cmd) {
2926 case SNDRV_PCM_TRIGGER_START:
2927 running |= 1 << substream->stream;
2928 break;
2929 case SNDRV_PCM_TRIGGER_STOP:
2930 running &= ~(1 << substream->stream);
2931 break;
2932 default:
2933 snd_BUG();
2934 spin_unlock(&hdspm->lock);
2935 return -EINVAL;
2936 }
2937 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2938 other = hdspm->capture_substream;
2939 else
2940 other = hdspm->playback_substream;
2941
2942 if (other) {
2943 struct list_head *pos;
2944 snd_pcm_substream_t *s;
2945 snd_pcm_group_for_each(pos, substream) {
2946 s = snd_pcm_group_substream_entry(pos);
2947 if (s == other) {
2948 snd_pcm_trigger_done(s, substream);
2949 if (cmd == SNDRV_PCM_TRIGGER_START)
2950 running |= 1 << s->stream;
2951 else
2952 running &= ~(1 << s->stream);
2953 goto _ok;
2954 }
2955 }
2956 if (cmd == SNDRV_PCM_TRIGGER_START) {
2957 if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK))
2958 && substream->stream ==
2959 SNDRV_PCM_STREAM_CAPTURE)
2960 hdspm_silence_playback(hdspm);
2961 } else {
2962 if (running &&
2963 substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2964 hdspm_silence_playback(hdspm);
2965 }
2966 } else {
2967 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2968 hdspm_silence_playback(hdspm);
2969 }
2970 _ok:
2971 snd_pcm_trigger_done(substream, substream);
2972 if (!hdspm->running && running)
2973 hdspm_start_audio(hdspm);
2974 else if (hdspm->running && !running)
2975 hdspm_stop_audio(hdspm);
2976 hdspm->running = running;
2977 spin_unlock(&hdspm->lock);
2978
2979 return 0;
2980}
2981
2982static int snd_hdspm_prepare(snd_pcm_substream_t * substream)
2983{
2984 return 0;
2985}
2986
2987static unsigned int period_sizes[] =
2988 { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
2989
2990static snd_pcm_hardware_t snd_hdspm_playback_subinfo = {
2991 .info = (SNDRV_PCM_INFO_MMAP |
2992 SNDRV_PCM_INFO_MMAP_VALID |
2993 SNDRV_PCM_INFO_NONINTERLEAVED |
2994 SNDRV_PCM_INFO_SYNC_START | SNDRV_PCM_INFO_DOUBLE),
2995 .formats = SNDRV_PCM_FMTBIT_S32_LE,
2996 .rates = (SNDRV_PCM_RATE_32000 |
2997 SNDRV_PCM_RATE_44100 |
2998 SNDRV_PCM_RATE_48000 |
2999 SNDRV_PCM_RATE_64000 |
3000 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000),
3001 .rate_min = 32000,
3002 .rate_max = 96000,
3003 .channels_min = 1,
3004 .channels_max = HDSPM_MAX_CHANNELS,
3005 .buffer_bytes_max =
3006 HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
3007 .period_bytes_min = (64 * 4),
3008 .period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
3009 .periods_min = 2,
3010 .periods_max = 2,
3011 .fifo_size = 0
3012};
3013
3014static snd_pcm_hardware_t snd_hdspm_capture_subinfo = {
3015 .info = (SNDRV_PCM_INFO_MMAP |
3016 SNDRV_PCM_INFO_MMAP_VALID |
3017 SNDRV_PCM_INFO_NONINTERLEAVED |
3018 SNDRV_PCM_INFO_SYNC_START),
3019 .formats = SNDRV_PCM_FMTBIT_S32_LE,
3020 .rates = (SNDRV_PCM_RATE_32000 |
3021 SNDRV_PCM_RATE_44100 |
3022 SNDRV_PCM_RATE_48000 |
3023 SNDRV_PCM_RATE_64000 |
3024 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000),
3025 .rate_min = 32000,
3026 .rate_max = 96000,
3027 .channels_min = 1,
3028 .channels_max = HDSPM_MAX_CHANNELS,
3029 .buffer_bytes_max =
3030 HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
3031 .period_bytes_min = (64 * 4),
3032 .period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
3033 .periods_min = 2,
3034 .periods_max = 2,
3035 .fifo_size = 0
3036};
3037
3038static snd_pcm_hw_constraint_list_t hw_constraints_period_sizes = {
3039 .count = ARRAY_SIZE(period_sizes),
3040 .list = period_sizes,
3041 .mask = 0
3042};
3043
3044
3045static int snd_hdspm_hw_rule_channels_rate(snd_pcm_hw_params_t * params,
3046 snd_pcm_hw_rule_t * rule)
3047{
3048 hdspm_t *hdspm = rule->private;
3049 snd_interval_t *c =
3050 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3051 snd_interval_t *r =
3052 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
3053
3054 if (r->min > 48000) {
3055 snd_interval_t t = {
3056 .min = 1,
3057 .max = hdspm->ds_channels,
3058 .integer = 1,
3059 };
3060 return snd_interval_refine(c, &t);
3061 } else if (r->max < 64000) {
3062 snd_interval_t t = {
3063 .min = 1,
3064 .max = hdspm->ss_channels,
3065 .integer = 1,
3066 };
3067 return snd_interval_refine(c, &t);
3068 }
3069 return 0;
3070}
3071
3072static int snd_hdspm_hw_rule_rate_channels(snd_pcm_hw_params_t * params,
3073 snd_pcm_hw_rule_t * rule)
3074{
3075 hdspm_t *hdspm = rule->private;
3076 snd_interval_t *c =
3077 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3078 snd_interval_t *r =
3079 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
3080
3081 if (c->min <= hdspm->ss_channels) {
3082 snd_interval_t t = {
3083 .min = 32000,
3084 .max = 48000,
3085 .integer = 1,
3086 };
3087 return snd_interval_refine(r, &t);
3088 } else if (c->max > hdspm->ss_channels) {
3089 snd_interval_t t = {
3090 .min = 64000,
3091 .max = 96000,
3092 .integer = 1,
3093 };
3094
3095 return snd_interval_refine(r, &t);
3096 }
3097 return 0;
3098}
3099
3100static int snd_hdspm_playback_open(snd_pcm_substream_t * substream)
3101{
3102 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
3103 snd_pcm_runtime_t *runtime = substream->runtime;
3104
3105 snd_printdd("Open device substream %d\n", substream->stream);
3106
3107 spin_lock_irq(&hdspm->lock);
3108
3109 snd_pcm_set_sync(substream);
3110
3111 runtime->hw = snd_hdspm_playback_subinfo;
3112
3113 if (hdspm->capture_substream == NULL)
3114 hdspm_stop_audio(hdspm);
3115
3116 hdspm->playback_pid = current->pid;
3117 hdspm->playback_substream = substream;
3118
3119 spin_unlock_irq(&hdspm->lock);
3120
3121 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
3122
3123 snd_pcm_hw_constraint_list(runtime, 0,
3124 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
3125 &hw_constraints_period_sizes);
3126
3127 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
3128 snd_hdspm_hw_rule_channels_rate, hdspm,
3129 SNDRV_PCM_HW_PARAM_RATE, -1);
3130
3131 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
3132 snd_hdspm_hw_rule_rate_channels, hdspm,
3133 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
3134
3135 return 0;
3136}
3137
3138static int snd_hdspm_playback_release(snd_pcm_substream_t * substream)
3139{
3140 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
3141
3142 spin_lock_irq(&hdspm->lock);
3143
3144 hdspm->playback_pid = -1;
3145 hdspm->playback_substream = NULL;
3146
3147 spin_unlock_irq(&hdspm->lock);
3148
3149 return 0;
3150}
3151
3152
3153static int snd_hdspm_capture_open(snd_pcm_substream_t * substream)
3154{
3155 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
3156 snd_pcm_runtime_t *runtime = substream->runtime;
3157
3158 spin_lock_irq(&hdspm->lock);
3159 snd_pcm_set_sync(substream);
3160 runtime->hw = snd_hdspm_capture_subinfo;
3161
3162 if (hdspm->playback_substream == NULL)
3163 hdspm_stop_audio(hdspm);
3164
3165 hdspm->capture_pid = current->pid;
3166 hdspm->capture_substream = substream;
3167
3168 spin_unlock_irq(&hdspm->lock);
3169
3170 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
3171 snd_pcm_hw_constraint_list(runtime, 0,
3172 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
3173 &hw_constraints_period_sizes);
3174
3175 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
3176 snd_hdspm_hw_rule_channels_rate, hdspm,
3177 SNDRV_PCM_HW_PARAM_RATE, -1);
3178
3179 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
3180 snd_hdspm_hw_rule_rate_channels, hdspm,
3181 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
3182 return 0;
3183}
3184
3185static int snd_hdspm_capture_release(snd_pcm_substream_t * substream)
3186{
3187 hdspm_t *hdspm = snd_pcm_substream_chip(substream);
3188
3189 spin_lock_irq(&hdspm->lock);
3190
3191 hdspm->capture_pid = -1;
3192 hdspm->capture_substream = NULL;
3193
3194 spin_unlock_irq(&hdspm->lock);
3195 return 0;
3196}
3197
3198static int snd_hdspm_hwdep_dummy_op(snd_hwdep_t * hw, struct file *file)
3199{
3200 /* we have nothing to initialize but the call is required */
3201 return 0;
3202}
3203
3204
3205static int snd_hdspm_hwdep_ioctl(snd_hwdep_t * hw, struct file *file,
3206 unsigned int cmd, unsigned long arg)
3207{
3208 hdspm_t *hdspm = (hdspm_t *) hw->private_data;
3209 struct sndrv_hdspm_mixer_ioctl mixer;
3210 hdspm_config_info_t info;
3211 hdspm_version_t hdspm_version;
3212 struct sndrv_hdspm_peak_rms_ioctl rms;
3213
3214 switch (cmd) {
3215
3216
3217 case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
3218 if (copy_from_user(&rms, (void __user *)arg, sizeof(rms)))
3219 return -EFAULT;
3220 /* maybe there is a chance to memorymap in future so dont touch just copy */
3221 if(copy_to_user_fromio((void __user *)rms.peak,
3222 hdspm->iobase+HDSPM_MADI_peakrmsbase,
3223 sizeof(hdspm_peak_rms_t)) != 0 )
3224 return -EFAULT;
3225
3226 break;
3227
3228
3229 case SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO:
3230
3231 spin_lock_irq(&hdspm->lock);
3232 info.pref_sync_ref =
3233 (unsigned char) hdspm_pref_sync_ref(hdspm);
3234 info.wordclock_sync_check =
3235 (unsigned char) hdspm_wc_sync_check(hdspm);
3236
3237 info.system_sample_rate = hdspm->system_sample_rate;
3238 info.autosync_sample_rate =
3239 hdspm_external_sample_rate(hdspm);
3240 info.system_clock_mode =
3241 (unsigned char) hdspm_system_clock_mode(hdspm);
3242 info.clock_source =
3243 (unsigned char) hdspm_clock_source(hdspm);
3244 info.autosync_ref =
3245 (unsigned char) hdspm_autosync_ref(hdspm);
3246 info.line_out = (unsigned char) hdspm_line_out(hdspm);
3247 info.passthru = 0;
3248 spin_unlock_irq(&hdspm->lock);
3249 if (copy_to_user((void __user *) arg, &info, sizeof(info)))
3250 return -EFAULT;
3251 break;
3252
3253 case SNDRV_HDSPM_IOCTL_GET_VERSION:
3254 hdspm_version.firmware_rev = hdspm->firmware_rev;
3255 if (copy_to_user((void __user *) arg, &hdspm_version,
3256 sizeof(hdspm_version)))
3257 return -EFAULT;
3258 break;
3259
3260 case SNDRV_HDSPM_IOCTL_GET_MIXER:
3261 if (copy_from_user(&mixer, (void __user *)arg, sizeof(mixer)))
3262 return -EFAULT;
3263 if (copy_to_user
3264 ((void __user *)mixer.mixer, hdspm->mixer, sizeof(hdspm_mixer_t)))
3265 return -EFAULT;
3266 break;
3267
3268 default:
3269 return -EINVAL;
3270 }
3271 return 0;
3272}
3273
3274static snd_pcm_ops_t snd_hdspm_playback_ops = {
3275 .open = snd_hdspm_playback_open,
3276 .close = snd_hdspm_playback_release,
3277 .ioctl = snd_hdspm_ioctl,
3278 .hw_params = snd_hdspm_hw_params,
3279 .hw_free = snd_hdspm_hw_free,
3280 .prepare = snd_hdspm_prepare,
3281 .trigger = snd_hdspm_trigger,
3282 .pointer = snd_hdspm_hw_pointer,
3283 .copy = snd_hdspm_playback_copy,
3284 .silence = snd_hdspm_hw_silence,
3285 .page = snd_pcm_sgbuf_ops_page,
3286};
3287
3288static snd_pcm_ops_t snd_hdspm_capture_ops = {
3289 .open = snd_hdspm_capture_open,
3290 .close = snd_hdspm_capture_release,
3291 .ioctl = snd_hdspm_ioctl,
3292 .hw_params = snd_hdspm_hw_params,
3293 .hw_free = snd_hdspm_hw_free,
3294 .prepare = snd_hdspm_prepare,
3295 .trigger = snd_hdspm_trigger,
3296 .pointer = snd_hdspm_hw_pointer,
3297 .copy = snd_hdspm_capture_copy,
3298 .page = snd_pcm_sgbuf_ops_page,
3299};
3300
3301static int __devinit snd_hdspm_create_hwdep(snd_card_t * card,
3302 hdspm_t * hdspm)
3303{
3304 snd_hwdep_t *hw;
3305 int err;
3306
3307 if ((err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw)) < 0)
3308 return err;
3309
3310 hdspm->hwdep = hw;
3311 hw->private_data = hdspm;
3312 strcpy(hw->name, "HDSPM hwdep interface");
3313
3314 hw->ops.open = snd_hdspm_hwdep_dummy_op;
3315 hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
3316 hw->ops.release = snd_hdspm_hwdep_dummy_op;
3317
3318 return 0;
3319}
3320
3321
3322/*------------------------------------------------------------
3323 memory interface
3324 ------------------------------------------------------------*/
3325static int __devinit snd_hdspm_preallocate_memory(hdspm_t * hdspm)
3326{
3327 int err;
3328 snd_pcm_t *pcm;
3329 size_t wanted;
3330
3331 pcm = hdspm->pcm;
3332
3333 wanted = HDSPM_DMA_AREA_BYTES + 4096; /* dont know why, but it works */
3334
3335 if ((err =
3336 snd_pcm_lib_preallocate_pages_for_all(pcm,
3337 SNDRV_DMA_TYPE_DEV_SG,
3338 snd_dma_pci_data(hdspm->pci),
3339 wanted,
3340 wanted)) < 0) {
3341 snd_printdd("Could not preallocate %d Bytes\n", wanted);
3342
3343 return err;
3344 } else
3345 snd_printdd(" Preallocated %d Bytes\n", wanted);
3346
3347 return 0;
3348}
3349
3350static int snd_hdspm_memory_free(hdspm_t * hdspm)
3351{
3352 snd_printdd("memory_free_for_all %p\n", hdspm->pcm);
3353
3354 snd_pcm_lib_preallocate_free_for_all(hdspm->pcm);
3355 return 0;
3356}
3357
3358
3359static void hdspm_set_sgbuf(hdspm_t * hdspm, struct snd_sg_buf *sgbuf,
3360 unsigned int reg, int channels)
3361{
3362 int i;
3363 for (i = 0; i < (channels * 16); i++)
3364 hdspm_write(hdspm, reg + 4 * i,
3365 snd_pcm_sgbuf_get_addr(sgbuf,
3366 (size_t) 4096 * i));
3367}
3368
3369/* ------------- ALSA Devices ---------------------------- */
3370static int __devinit snd_hdspm_create_pcm(snd_card_t * card,
3371 hdspm_t * hdspm)
3372{
3373 snd_pcm_t *pcm;
3374 int err;
3375
3376 if ((err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm)) < 0)
3377 return err;
3378
3379 hdspm->pcm = pcm;
3380 pcm->private_data = hdspm;
3381 strcpy(pcm->name, hdspm->card_name);
3382
3383 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
3384 &snd_hdspm_playback_ops);
3385 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
3386 &snd_hdspm_capture_ops);
3387
3388 pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
3389
3390 if ((err = snd_hdspm_preallocate_memory(hdspm)) < 0)
3391 return err;
3392
3393 return 0;
3394}
3395
3396static inline void snd_hdspm_initialize_midi_flush(hdspm_t * hdspm)
3397{
3398 snd_hdspm_flush_midi_input(hdspm, 0);
3399 snd_hdspm_flush_midi_input(hdspm, 1);
3400}
3401
3402static int __devinit snd_hdspm_create_alsa_devices(snd_card_t * card,
3403 hdspm_t * hdspm)
3404{
3405 int err;
3406
3407 snd_printdd("Create card...\n");
3408 if ((err = snd_hdspm_create_pcm(card, hdspm)) < 0)
3409 return err;
3410
3411 if ((err = snd_hdspm_create_midi(card, hdspm, 0)) < 0)
3412 return err;
3413
3414 if ((err = snd_hdspm_create_midi(card, hdspm, 1)) < 0)
3415 return err;
3416
3417 if ((err = snd_hdspm_create_controls(card, hdspm)) < 0)
3418 return err;
3419
3420 if ((err = snd_hdspm_create_hwdep(card, hdspm)) < 0)
3421 return err;
3422
3423 snd_printdd("proc init...\n");
3424 snd_hdspm_proc_init(hdspm);
3425
3426 hdspm->system_sample_rate = -1;
3427 hdspm->last_external_sample_rate = -1;
3428 hdspm->last_internal_sample_rate = -1;
3429 hdspm->playback_pid = -1;
3430 hdspm->capture_pid = -1;
3431 hdspm->capture_substream = NULL;
3432 hdspm->playback_substream = NULL;
3433
3434 snd_printdd("Set defaults...\n");
3435 if ((err = snd_hdspm_set_defaults(hdspm)) < 0)
3436 return err;
3437
3438 snd_printdd("Update mixer controls...\n");
3439 hdspm_update_simple_mixer_controls(hdspm);
3440
3441 snd_printdd("Initializeing complete ???\n");
3442
3443 if ((err = snd_card_register(card)) < 0) {
3444 snd_printk(KERN_ERR "HDSPM: error registering card\n");
3445 return err;
3446 }
3447
3448 snd_printdd("... yes now\n");
3449
3450 return 0;
3451}
3452
3453static int __devinit snd_hdspm_create(snd_card_t * card, hdspm_t * hdspm,
3454 int precise_ptr, int enable_monitor)
3455{
3456 struct pci_dev *pci = hdspm->pci;
3457 int err;
3458 int i;
3459
3460 unsigned long io_extent;
3461
3462 hdspm->irq = -1;
3463 hdspm->irq_count = 0;
3464
3465 hdspm->midi[0].rmidi = NULL;
3466 hdspm->midi[1].rmidi = NULL;
3467 hdspm->midi[0].input = NULL;
3468 hdspm->midi[1].input = NULL;
3469 hdspm->midi[0].output = NULL;
3470 hdspm->midi[1].output = NULL;
3471 spin_lock_init(&hdspm->midi[0].lock);
3472 spin_lock_init(&hdspm->midi[1].lock);
3473 hdspm->iobase = NULL;
3474 hdspm->control_register = 0;
3475 hdspm->control2_register = 0;
3476
3477 hdspm->playback_buffer = NULL;
3478 hdspm->capture_buffer = NULL;
3479
3480 for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
3481 hdspm->playback_mixer_ctls[i] = NULL;
3482 hdspm->mixer = NULL;
3483
3484 hdspm->card = card;
3485
3486 spin_lock_init(&hdspm->lock);
3487
3488 tasklet_init(&hdspm->midi_tasklet,
3489 hdspm_midi_tasklet, (unsigned long) hdspm);
3490
3491 pci_read_config_word(hdspm->pci,
3492 PCI_CLASS_REVISION, &hdspm->firmware_rev);
3493
3494 strcpy(card->driver, "HDSPM");
3495 strcpy(card->mixername, "Xilinx FPGA");
3496 hdspm->card_name = "RME HDSPM MADI";
3497
3498 if ((err = pci_enable_device(pci)) < 0)
3499 return err;
3500
3501 pci_set_master(hdspm->pci);
3502
3503 if ((err = pci_request_regions(pci, "hdspm")) < 0)
3504 return err;
3505
3506 hdspm->port = pci_resource_start(pci, 0);
3507 io_extent = pci_resource_len(pci, 0);
3508
3509 snd_printdd("grabbed memory region 0x%lx-0x%lx\n",
3510 hdspm->port, hdspm->port + io_extent - 1);
3511
3512
3513 if ((hdspm->iobase = ioremap_nocache(hdspm->port, io_extent)) == NULL) {
3514 snd_printk(KERN_ERR "HDSPM: unable to remap region 0x%lx-0x%lx\n",
3515 hdspm->port, hdspm->port + io_extent - 1);
3516 return -EBUSY;
3517 }
3518 snd_printdd("remapped region (0x%lx) 0x%lx-0x%lx\n",
3519 (unsigned long)hdspm->iobase, hdspm->port,
3520 hdspm->port + io_extent - 1);
3521
3522 if (request_irq(pci->irq, snd_hdspm_interrupt,
3523 SA_INTERRUPT | SA_SHIRQ, "hdspm",
3524 (void *) hdspm)) {
3525 snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
3526 return -EBUSY;
3527 }
3528
3529 snd_printdd("use IRQ %d\n", pci->irq);
3530
3531 hdspm->irq = pci->irq;
3532 hdspm->precise_ptr = precise_ptr;
3533
3534 hdspm->monitor_outs = enable_monitor;
3535
3536 snd_printdd("kmalloc Mixer memory of %d Bytes\n",
3537 sizeof(hdspm_mixer_t));
3538 if ((hdspm->mixer =
3539 (hdspm_mixer_t *) kmalloc(sizeof(hdspm_mixer_t), GFP_KERNEL))
3540 == NULL) {
3541 snd_printk(KERN_ERR "HDSPM: unable to kmalloc Mixer memory of %d Bytes\n",
3542 (int)sizeof(hdspm_mixer_t));
3543 return err;
3544 }
3545
3546 hdspm->ss_channels = MADI_SS_CHANNELS;
3547 hdspm->ds_channels = MADI_DS_CHANNELS;
3548 hdspm->qs_channels = MADI_QS_CHANNELS;
3549
3550 snd_printdd("create alsa devices.\n");
3551 if ((err = snd_hdspm_create_alsa_devices(card, hdspm)) < 0)
3552 return err;
3553
3554 snd_hdspm_initialize_midi_flush(hdspm);
3555
3556 return 0;
3557}
3558
3559static int snd_hdspm_free(hdspm_t * hdspm)
3560{
3561
3562 if (hdspm->port) {
3563
3564 /* stop th audio, and cancel all interrupts */
3565 hdspm->control_register &=
3566 ~(HDSPM_Start | HDSPM_AudioInterruptEnable
3567 | HDSPM_Midi0InterruptEnable |
3568 HDSPM_Midi1InterruptEnable);
3569 hdspm_write(hdspm, HDSPM_controlRegister,
3570 hdspm->control_register);
3571 }
3572
3573 if (hdspm->irq >= 0)
3574 free_irq(hdspm->irq, (void *) hdspm);
3575
3576
3577 if (hdspm->mixer)
3578 kfree(hdspm->mixer);
3579
3580 if (hdspm->iobase)
3581 iounmap(hdspm->iobase);
3582
3583 snd_hdspm_memory_free(hdspm);
3584
3585 if (hdspm->port)
3586 pci_release_regions(hdspm->pci);
3587
3588 pci_disable_device(hdspm->pci);
3589 return 0;
3590}
3591
3592static void snd_hdspm_card_free(snd_card_t * card)
3593{
3594 hdspm_t *hdspm = (hdspm_t *) card->private_data;
3595
3596 if (hdspm)
3597 snd_hdspm_free(hdspm);
3598}
3599
3600static int __devinit snd_hdspm_probe(struct pci_dev *pci,
3601 const struct pci_device_id *pci_id)
3602{
3603 static int dev;
3604 hdspm_t *hdspm;
3605 snd_card_t *card;
3606 int err;
3607
3608 if (dev >= SNDRV_CARDS)
3609 return -ENODEV;
3610 if (!enable[dev]) {
3611 dev++;
3612 return -ENOENT;
3613 }
3614
3615 if (!(card = snd_card_new(index[dev], id[dev],
3616 THIS_MODULE, sizeof(hdspm_t))))
3617 return -ENOMEM;
3618
3619 hdspm = (hdspm_t *) card->private_data;
3620 card->private_free = snd_hdspm_card_free;
3621 hdspm->dev = dev;
3622 hdspm->pci = pci;
3623
3624 if ((err =
3625 snd_hdspm_create(card, hdspm, precise_ptr[dev],
3626 enable_monitor[dev])) < 0) {
3627 snd_card_free(card);
3628 return err;
3629 }
3630
3631 strcpy(card->shortname, "HDSPM MADI");
3632 sprintf(card->longname, "%s at 0x%lx, irq %d", hdspm->card_name,
3633 hdspm->port, hdspm->irq);
3634
3635 if ((err = snd_card_register(card)) < 0) {
3636 snd_card_free(card);
3637 return err;
3638 }
3639
3640 pci_set_drvdata(pci, card);
3641
3642 dev++;
3643 return 0;
3644}
3645
3646static void __devexit snd_hdspm_remove(struct pci_dev *pci)
3647{
3648 snd_card_free(pci_get_drvdata(pci));
3649 pci_set_drvdata(pci, NULL);
3650}
3651
3652static struct pci_driver driver = {
3653 .name = "RME Hammerfall DSP MADI",
3654 .id_table = snd_hdspm_ids,
3655 .probe = snd_hdspm_probe,
3656 .remove = __devexit_p(snd_hdspm_remove),
3657};
3658
3659
3660static int __init alsa_card_hdspm_init(void)
3661{
3662 return pci_register_driver(&driver);
3663}
3664
3665static void __exit alsa_card_hdspm_exit(void)
3666{
3667 pci_unregister_driver(&driver);
3668}
3669
3670module_init(alsa_card_hdspm_init)
3671module_exit(alsa_card_hdspm_exit)
Linux kernel - Deliverables
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