hdspm.c 123.2 KB
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/*   -*- linux-c -*-
 *
 *   ALSA driver for RME Hammerfall DSP MADI audio interface(s)
 *
 *      Copyright (c) 2003 Winfried Ritsch (IEM)
 *      code based on hdsp.c   Paul Davis
 *                             Marcus Andersson
 *                             Thomas Charbonnel
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 *      Modified 2006-06-01 for AES32 support by Remy Bruno
 *                                               <remy.bruno@trinnov.com>
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 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <asm/io.h>

#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <sound/asoundef.h>
#include <sound/rawmidi.h>
#include <sound/hwdep.h>
#include <sound/initval.h>

#include <sound/hdspm.h>

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	  /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	  /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */

/* Disable precise pointer at start */
static int precise_ptr[SNDRV_CARDS];

/* Send all playback to line outs */
static int line_outs_monitor[SNDRV_CARDS];

/* Enable Analog Outs on Channel 63/64 by default */
static int enable_monitor[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");

module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for RME HDSPM interface.");

module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable/disable specific HDSPM soundcards.");

module_param_array(precise_ptr, bool, NULL, 0444);
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MODULE_PARM_DESC(precise_ptr, "Enable or disable precise pointer.");
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module_param_array(line_outs_monitor, bool, NULL, 0444);
MODULE_PARM_DESC(line_outs_monitor,
		 "Send playback streams to analog outs by default.");

module_param_array(enable_monitor, bool, NULL, 0444);
MODULE_PARM_DESC(enable_monitor,
		 "Enable Analog Out on Channel 63/64 by default.");

MODULE_AUTHOR
      ("Winfried Ritsch <ritsch_AT_iem.at>, Paul Davis <paul@linuxaudiosystems.com>, "
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       "Marcus Andersson, Thomas Charbonnel <thomas@undata.org>, "
       "Remy Bruno <remy.bruno@trinnov.com>");
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MODULE_DESCRIPTION("RME HDSPM");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");

/* --- Write registers. --- 
  These are defined as byte-offsets from the iobase value.  */

#define HDSPM_controlRegister	     64
#define HDSPM_interruptConfirmation  96
#define HDSPM_control2Reg	     256  /* not in specs ???????? */
#define HDSPM_midiDataOut0  	     352  /* just believe in old code */
#define HDSPM_midiDataOut1  	     356

/* DMA enable for 64 channels, only Bit 0 is relevant */
#define HDSPM_outputEnableBase       512  /* 512-767  input  DMA */ 
#define HDSPM_inputEnableBase        768  /* 768-1023 output DMA */

/* 16 page addresses for each of the 64 channels DMA buffer in and out 
   (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
#define HDSPM_pageAddressBufferOut       8192
#define HDSPM_pageAddressBufferIn        (HDSPM_pageAddressBufferOut+64*16*4)

#define HDSPM_MADI_mixerBase    32768	/* 32768-65535 for 2x64x64 Fader */

#define HDSPM_MATRIX_MIXER_SIZE  8192	/* = 2*64*64 * 4 Byte => 32kB */

/* --- Read registers. ---
   These are defined as byte-offsets from the iobase value */
#define HDSPM_statusRegister    0
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/*#define HDSPM_statusRegister2  96 */
/* after RME Windows driver sources, status2 is 4-byte word # 48 = word at
 * offset 192, for AES32 *and* MADI
 * => need to check that offset 192 is working on MADI */
#define HDSPM_statusRegister2  192
#define HDSPM_timecodeRegister 128
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#define HDSPM_midiDataIn0     360
#define HDSPM_midiDataIn1     364

/* status is data bytes in MIDI-FIFO (0-128) */
#define HDSPM_midiStatusOut0  384	
#define HDSPM_midiStatusOut1  388	
#define HDSPM_midiStatusIn0   392	
#define HDSPM_midiStatusIn1   396	


/* the meters are regular i/o-mapped registers, but offset
   considerably from the rest. the peak registers are reset
   when read; the least-significant 4 bits are full-scale counters; 
   the actual peak value is in the most-significant 24 bits.
*/
#define HDSPM_MADI_peakrmsbase 	4096	/* 4096-8191 2x64x32Bit Meters */

/* --- Control Register bits --------- */
#define HDSPM_Start                (1<<0) /* start engine */

#define HDSPM_Latency0             (1<<1) /* buffer size = 2^n */
#define HDSPM_Latency1             (1<<2) /* where n is defined */
#define HDSPM_Latency2             (1<<3) /* by Latency{2,1,0} */

#define HDSPM_ClockModeMaster      (1<<4) /* 1=Master, 0=Slave/Autosync */

#define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */

#define HDSPM_Frequency0  (1<<6)  /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
#define HDSPM_Frequency1  (1<<7)  /* 0=32kHz/64kHz */
#define HDSPM_DoubleSpeed (1<<8)  /* 0=normal speed, 1=double speed */
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#define HDSPM_QuadSpeed   (1<<31) /* quad speed bit */
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#define HDSPM_Professional (1<<9) /* Professional */ /* AES32 ONLY */
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#define HDSPM_TX_64ch     (1<<10) /* Output 64channel MODE=1,
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				     56channelMODE=0 */ /* MADI ONLY*/
#define HDSPM_Emphasis    (1<<10) /* Emphasis */ /* AES32 ONLY */
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#define HDSPM_AutoInp     (1<<11) /* Auto Input (takeover) == Safe Mode, 
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                                     0=off, 1=on  */ /* MADI ONLY */
#define HDSPM_Dolby       (1<<11) /* Dolby = "NonAudio" ?? */ /* AES32 ONLY */
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#define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax */ /* MADI ONLY*/
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#define HDSPM_InputSelect1 (1<<15) /* should be 0 */

#define HDSPM_SyncRef0     (1<<16) /* 0=WOrd, 1=MADI */
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#define HDSPM_SyncRef1     (1<<17) /* for AES32: SyncRefN codes the AES # */
#define HDSPM_SyncRef2     (1<<13)
#define HDSPM_SyncRef3     (1<<25)
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#define HDSPM_SMUX         (1<<18) /* Frame ??? */ /* MADI ONY */
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#define HDSPM_clr_tms      (1<<19) /* clear track marker, do not use 
                                      AES additional bits in
				      lower 5 Audiodatabits ??? */
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#define HDSPM_taxi_reset   (1<<20) /* ??? */ /* MADI ONLY ? */
#define HDSPM_WCK48        (1<<20) /* Frame ??? = HDSPM_SMUX */ /* AES32 ONLY */
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#define HDSPM_Midi0InterruptEnable (1<<22)
#define HDSPM_Midi1InterruptEnable (1<<23)

#define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */

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#define HDSPM_DS_DoubleWire (1<<26) /* AES32 ONLY */
#define HDSPM_QS_DoubleWire (1<<27) /* AES32 ONLY */
#define HDSPM_QS_QuadWire   (1<<28) /* AES32 ONLY */

#define HDSPM_wclk_sel (1<<30)
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/* --- bit helper defines */
#define HDSPM_LatencyMask    (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
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#define HDSPM_FrequencyMask  (HDSPM_Frequency0|HDSPM_Frequency1|HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
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#define HDSPM_InputMask      (HDSPM_InputSelect0|HDSPM_InputSelect1)
#define HDSPM_InputOptical   0
#define HDSPM_InputCoaxial   (HDSPM_InputSelect0)
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#define HDSPM_SyncRefMask    (HDSPM_SyncRef0|HDSPM_SyncRef1|HDSPM_SyncRef2|HDSPM_SyncRef3)
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#define HDSPM_SyncRef_Word   0
#define HDSPM_SyncRef_MADI   (HDSPM_SyncRef0)

#define HDSPM_SYNC_FROM_WORD 0	/* Preferred sync reference */
#define HDSPM_SYNC_FROM_MADI 1	/* choices - used by "pref_sync_ref" */

#define HDSPM_Frequency32KHz    HDSPM_Frequency0
#define HDSPM_Frequency44_1KHz  HDSPM_Frequency1
#define HDSPM_Frequency48KHz   (HDSPM_Frequency1|HDSPM_Frequency0)
#define HDSPM_Frequency64KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency0)
#define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
#define HDSPM_Frequency96KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency1|HDSPM_Frequency0)
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#define HDSPM_Frequency128KHz   (HDSPM_QuadSpeed|HDSPM_Frequency0)
#define HDSPM_Frequency176_4KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1)
#define HDSPM_Frequency192KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1|HDSPM_Frequency0)
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/* --- for internal discrimination */
#define HDSPM_CLOCK_SOURCE_AUTOSYNC          0	/* Sample Clock Sources */
#define HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ    1
#define HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ  2
#define HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ    3
#define HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ    4
#define HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ  5
#define HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ    6
#define HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ   7
#define HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ 8
#define HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ   9

/* Synccheck Status */
#define HDSPM_SYNC_CHECK_NO_LOCK 0
#define HDSPM_SYNC_CHECK_LOCK    1
#define HDSPM_SYNC_CHECK_SYNC	 2

/* AutoSync References - used by "autosync_ref" control switch */
#define HDSPM_AUTOSYNC_FROM_WORD      0
#define HDSPM_AUTOSYNC_FROM_MADI      1
#define HDSPM_AUTOSYNC_FROM_NONE      2

/* Possible sources of MADI input */
#define HDSPM_OPTICAL 0		/* optical   */
#define HDSPM_COAXIAL 1		/* BNC */

#define hdspm_encode_latency(x)       (((x)<<1) & HDSPM_LatencyMask)
#define hdspm_decode_latency(x)       (((x) & HDSPM_LatencyMask)>>1)

#define hdspm_encode_in(x) (((x)&0x3)<<14)
#define hdspm_decode_in(x) (((x)>>14)&0x3)

/* --- control2 register bits --- */
#define HDSPM_TMS             (1<<0)
#define HDSPM_TCK             (1<<1)
#define HDSPM_TDI             (1<<2)
#define HDSPM_JTAG            (1<<3)
#define HDSPM_PWDN            (1<<4)
#define HDSPM_PROGRAM	      (1<<5)
#define HDSPM_CONFIG_MODE_0   (1<<6)
#define HDSPM_CONFIG_MODE_1   (1<<7)
/*#define HDSPM_VERSION_BIT     (1<<8) not defined any more*/
#define HDSPM_BIGENDIAN_MODE  (1<<9)
#define HDSPM_RD_MULTIPLE     (1<<10)

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/* --- Status Register bits --- */ /* MADI ONLY */ /* Bits defined here and
     that do not conflict with specific bits for AES32 seem to be valid also for the AES32 */
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#define HDSPM_audioIRQPending    (1<<0)	/* IRQ is high and pending */
#define HDSPM_RX_64ch            (1<<1)	/* Input 64chan. MODE=1, 56chn. MODE=0 */
#define HDSPM_AB_int             (1<<2)	/* InputChannel Opt=0, Coax=1 (like inp0) */
#define HDSPM_madiLock           (1<<3)	/* MADI Locked =1, no=0 */

#define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
                                           /* since 64byte accurate last 6 bits 
                                              are not used */

#define HDSPM_madiSync          (1<<18) /* MADI is in sync */
#define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */

#define HDSPM_madiFreq0         (1<<22)	/* system freq 0=error */
#define HDSPM_madiFreq1         (1<<23)	/* 1=32, 2=44.1 3=48 */
#define HDSPM_madiFreq2         (1<<24)	/* 4=64, 5=88.2 6=96 */
#define HDSPM_madiFreq3         (1<<25)	/* 7=128, 8=176.4 9=192 */

#define HDSPM_BufferID          (1<<26)	/* (Double)Buffer ID toggles with Interrupt */
#define HDSPM_midi0IRQPending   (1<<30)	/* MIDI IRQ is pending  */
#define HDSPM_midi1IRQPending   (1<<31)	/* and aktiv */

/* --- status bit helpers */
#define HDSPM_madiFreqMask  (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2|HDSPM_madiFreq3)
#define HDSPM_madiFreq32    (HDSPM_madiFreq0)
#define HDSPM_madiFreq44_1  (HDSPM_madiFreq1)
#define HDSPM_madiFreq48    (HDSPM_madiFreq0|HDSPM_madiFreq1)
#define HDSPM_madiFreq64    (HDSPM_madiFreq2)
#define HDSPM_madiFreq88_2  (HDSPM_madiFreq0|HDSPM_madiFreq2)
#define HDSPM_madiFreq96    (HDSPM_madiFreq1|HDSPM_madiFreq2)
#define HDSPM_madiFreq128   (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
#define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
#define HDSPM_madiFreq192   (HDSPM_madiFreq3|HDSPM_madiFreq0)

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/* Status2 Register bits */ /* MADI ONLY */
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#define HDSPM_version0 (1<<0)	/* not realy defined but I guess */
#define HDSPM_version1 (1<<1)	/* in former cards it was ??? */
#define HDSPM_version2 (1<<2)

#define HDSPM_wcLock (1<<3)	/* Wordclock is detected and locked */
#define HDSPM_wcSync (1<<4)	/* Wordclock is in sync with systemclock */

#define HDSPM_wc_freq0 (1<<5)	/* input freq detected via autosync  */
#define HDSPM_wc_freq1 (1<<6)	/* 001=32, 010==44.1, 011=48, */
#define HDSPM_wc_freq2 (1<<7)	/* 100=64, 101=88.2, 110=96, */
/* missing Bit   for               111=128, 1000=176.4, 1001=192 */

#define HDSPM_SelSyncRef0 (1<<8)	/* Sync Source in slave mode */
#define HDSPM_SelSyncRef1 (1<<9)	/* 000=word, 001=MADI, */
#define HDSPM_SelSyncRef2 (1<<10)	/* 111=no valid signal */

#define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)

#define HDSPM_wcFreqMask  (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
#define HDSPM_wcFreq32    (HDSPM_wc_freq0)
#define HDSPM_wcFreq44_1  (HDSPM_wc_freq1)
#define HDSPM_wcFreq48    (HDSPM_wc_freq0|HDSPM_wc_freq1)
#define HDSPM_wcFreq64    (HDSPM_wc_freq2)
#define HDSPM_wcFreq88_2  (HDSPM_wc_freq0|HDSPM_wc_freq2)
#define HDSPM_wcFreq96    (HDSPM_wc_freq1|HDSPM_wc_freq2)


#define HDSPM_SelSyncRefMask       (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
#define HDSPM_SelSyncRef_WORD      0
#define HDSPM_SelSyncRef_MADI      (HDSPM_SelSyncRef0)
#define HDSPM_SelSyncRef_NVALID    (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)

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/*
   For AES32, bits for status, status2 and timecode are different
*/
/* status */
#define HDSPM_AES32_wcLock	0x0200000
#define HDSPM_AES32_wcFreq_bit  22
/* (status >> HDSPM_AES32_wcFreq_bit) & 0xF gives WC frequency (cf function 
  HDSPM_bit2freq */
#define HDSPM_AES32_syncref_bit  16
/* (status >> HDSPM_AES32_syncref_bit) & 0xF gives sync source */

#define HDSPM_AES32_AUTOSYNC_FROM_WORD 0
#define HDSPM_AES32_AUTOSYNC_FROM_AES1 1
#define HDSPM_AES32_AUTOSYNC_FROM_AES2 2
#define HDSPM_AES32_AUTOSYNC_FROM_AES3 3
#define HDSPM_AES32_AUTOSYNC_FROM_AES4 4
#define HDSPM_AES32_AUTOSYNC_FROM_AES5 5
#define HDSPM_AES32_AUTOSYNC_FROM_AES6 6
#define HDSPM_AES32_AUTOSYNC_FROM_AES7 7
#define HDSPM_AES32_AUTOSYNC_FROM_AES8 8
#define HDSPM_AES32_AUTOSYNC_FROM_NONE -1

/*  status2 */
/* HDSPM_LockAES_bit is given by HDSPM_LockAES >> (AES# - 1) */
#define HDSPM_LockAES   0x80
#define HDSPM_LockAES1  0x80
#define HDSPM_LockAES2  0x40
#define HDSPM_LockAES3  0x20
#define HDSPM_LockAES4  0x10
#define HDSPM_LockAES5  0x8
#define HDSPM_LockAES6  0x4
#define HDSPM_LockAES7  0x2
#define HDSPM_LockAES8  0x1
/*
   Timecode
   After windows driver sources, bits 4*i to 4*i+3 give the input frequency on
   AES i+1
 bits 3210
      0001  32kHz
      0010  44.1kHz
      0011  48kHz
      0100  64kHz
      0101  88.2kHz
      0110  96kHz
      0111  128kHz
      1000  176.4kHz
      1001  192kHz
  NB: Timecode register doesn't seem to work on AES32 card revision 230
*/

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/* Mixer Values */
#define UNITY_GAIN          32768	/* = 65536/2 */
#define MINUS_INFINITY_GAIN 0

/* Number of channels for different Speed Modes */
#define MADI_SS_CHANNELS       64
#define MADI_DS_CHANNELS       32
#define MADI_QS_CHANNELS       16

/* the size of a substream (1 mono data stream) */
#define HDSPM_CHANNEL_BUFFER_SAMPLES  (16*1024)
#define HDSPM_CHANNEL_BUFFER_BYTES    (4*HDSPM_CHANNEL_BUFFER_SAMPLES)

/* the size of the area we need to allocate for DMA transfers. the
   size is the same regardless of the number of channels, and
   also the latency to use. 
   for one direction !!!
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   => need to mupltiply by 2!!
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*/
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#define HDSPM_DMA_AREA_BYTES (2 * HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
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#define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)

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/* revisions >= 230 indicate AES32 card */
#define HDSPM_AESREVISION 230

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struct hdspm_midi {
	struct hdspm *hdspm;
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	int id;
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	struct snd_rawmidi *rmidi;
	struct snd_rawmidi_substream *input;
	struct snd_rawmidi_substream *output;
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	char istimer;		/* timer in use */
	struct timer_list timer;
	spinlock_t lock;
	int pending;
};

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struct hdspm {
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        spinlock_t lock;
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        struct snd_pcm_substream *capture_substream;	 /* only one playback */
        struct snd_pcm_substream *playback_substream; /* and/or capture stream */
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	char *card_name;	     /* for procinfo */
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	unsigned short firmware_rev; /* dont know if relevant (yes if AES32)*/

	unsigned char is_aes32;    /* indicates if card is AES32 */
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	int precise_ptr;	/* use precise pointers, to be tested */
	int monitor_outs;	/* set up monitoring outs init flag */

	u32 control_register;	/* cached value */
	u32 control2_register;	/* cached value */

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	struct hdspm_midi midi[2];
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	struct tasklet_struct midi_tasklet;

	size_t period_bytes;
	unsigned char ss_channels;	/* channels of card in single speed */
	unsigned char ds_channels;	/* Double Speed */
	unsigned char qs_channels;	/* Quad Speed */

	unsigned char *playback_buffer;	/* suitably aligned address */
	unsigned char *capture_buffer;	/* suitably aligned address */

	pid_t capture_pid;	/* process id which uses capture */
	pid_t playback_pid;	/* process id which uses capture */
	int running;		/* running status */

	int last_external_sample_rate;	/* samplerate mystic ... */
	int last_internal_sample_rate;
	int system_sample_rate;

	char *channel_map;	/* channel map for DS and Quadspeed */

	int dev;		/* Hardware vars... */
	int irq;
	unsigned long port;
	void __iomem *iobase;

	int irq_count;		/* for debug */

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	struct snd_card *card;	/* one card */
	struct snd_pcm *pcm;		/* has one pcm */
	struct snd_hwdep *hwdep;	/* and a hwdep for additional ioctl */
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	struct pci_dev *pci;	/* and an pci info */

	/* Mixer vars */
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	struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];	/* fast alsa mixer */
	struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];	/* but input to much, so not used */
	struct hdspm_mixer *mixer;	/* full mixer accessable over mixer ioctl or hwdep-device */
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};

/* These tables map the ALSA channels 1..N to the channels that we
   need to use in order to find the relevant channel buffer. RME
   refer to this kind of mapping as between "the ADAT channel and
   the DMA channel." We index it using the logical audio channel,
   and the value is the DMA channel (i.e. channel buffer number)
   where the data for that channel can be read/written from/to.
*/

static char channel_map_madi_ss[HDSPM_MAX_CHANNELS] = {
   0, 1, 2, 3, 4, 5, 6, 7,
   8, 9, 10, 11, 12, 13, 14, 15,
   16, 17, 18, 19, 20, 21, 22, 23,
   24, 25, 26, 27, 28, 29, 30, 31,
   32, 33, 34, 35, 36, 37, 38, 39,
   40, 41, 42, 43, 44, 45, 46, 47,
   48, 49, 50, 51, 52, 53, 54, 55,
   56, 57, 58, 59, 60, 61, 62, 63
};

static char channel_map_madi_ds[HDSPM_MAX_CHANNELS] = {
  0, 2, 4, 6, 8, 10, 12, 14,
  16, 18, 20, 22, 24, 26, 28, 30,
  32, 34, 36, 38, 40, 42, 44, 46,
  48, 50, 52, 54, 56, 58, 60, 62,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1,
  -1, -1, -1, -1, -1, -1, -1, -1
};

static char channel_map_madi_qs[HDSPM_MAX_CHANNELS] = {
  0,   4,  8, 12, 16, 20, 24,  28,  
  32, 36, 40, 44, 48, 52, 56,  60
  -1, -1, -1, -1, -1, -1, -1, -1,  
  -1, -1, -1, -1, -1, -1, -1, -1,  
  -1, -1, -1, -1, -1, -1, -1, -1, 
  -1, -1, -1, -1, -1, -1, -1, -1, 
  -1, -1, -1, -1, -1, -1, -1, -1, 
  -1, -1, -1, -1, -1, -1, -1, -1
};


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static struct pci_device_id snd_hdspm_ids[] __devinitdata = {
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	{
	 .vendor = PCI_VENDOR_ID_XILINX,
	 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
	 .subvendor = PCI_ANY_ID,
	 .subdevice = PCI_ANY_ID,
	 .class = 0,
	 .class_mask = 0,
	 .driver_data = 0},
	{0,}
};

MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);

/* prototypes */
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static int __devinit snd_hdspm_create_alsa_devices(struct snd_card *card,
						   struct hdspm * hdspm);
static int __devinit snd_hdspm_create_pcm(struct snd_card *card,
					  struct hdspm * hdspm);

static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm);
static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm);
static int hdspm_autosync_ref(struct hdspm * hdspm);
static int snd_hdspm_set_defaults(struct hdspm * hdspm);
static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
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			     unsigned int reg, int channels);

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static inline int HDSPM_bit2freq(int n)
{
	static int bit2freq_tab[] = { 0, 32000, 44100, 48000, 64000, 88200,
		96000, 128000, 176400, 192000 };
	if (n < 1 || n > 9)
		return 0;
	return bit2freq_tab[n];
}

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/* Write/read to/from HDSPM with Adresses in Bytes
   not words but only 32Bit writes are allowed */

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static inline void hdspm_write(struct hdspm * hdspm, unsigned int reg,
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			       unsigned int val)
{
	writel(val, hdspm->iobase + reg);
}

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static inline unsigned int hdspm_read(struct hdspm * hdspm, unsigned int reg)
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{
	return readl(hdspm->iobase + reg);
}

/* for each output channel (chan) I have an Input (in) and Playback (pb) Fader 
   mixer is write only on hardware so we have to cache him for read 
   each fader is a u32, but uses only the first 16 bit */

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static inline int hdspm_read_in_gain(struct hdspm * hdspm, unsigned int chan,
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				     unsigned int in)
{
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	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
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		return 0;

	return hdspm->mixer->ch[chan].in[in];
}

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static inline int hdspm_read_pb_gain(struct hdspm * hdspm, unsigned int chan,
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				     unsigned int pb)
{
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	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
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		return 0;
	return hdspm->mixer->ch[chan].pb[pb];
}

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static inline int hdspm_write_in_gain(struct hdspm * hdspm, unsigned int chan,
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				      unsigned int in, unsigned short data)
{
	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
		return -1;

	hdspm_write(hdspm,
		    HDSPM_MADI_mixerBase +
		    ((in + 128 * chan) * sizeof(u32)),
		    (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
	return 0;
}

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static inline int hdspm_write_pb_gain(struct hdspm * hdspm, unsigned int chan,
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				      unsigned int pb, unsigned short data)
{
	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
		return -1;

	hdspm_write(hdspm,
		    HDSPM_MADI_mixerBase +
		    ((64 + pb + 128 * chan) * sizeof(u32)),
		    (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
	return 0;
}


/* enable DMA for specific channels, now available for DSP-MADI */
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static inline void snd_hdspm_enable_in(struct hdspm * hdspm, int i, int v)
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{
	hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
}

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static inline void snd_hdspm_enable_out(struct hdspm * hdspm, int i, int v)
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{
	hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
}

/* check if same process is writing and reading */
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static inline int snd_hdspm_use_is_exclusive(struct hdspm * hdspm)
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{
	unsigned long flags;
	int ret = 1;

	spin_lock_irqsave(&hdspm->lock, flags);
	if ((hdspm->playback_pid != hdspm->capture_pid) &&
	    (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
		ret = 0;
	}
	spin_unlock_irqrestore(&hdspm->lock, flags);
	return ret;
}

/* check for external sample rate */
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static inline int hdspm_external_sample_rate(struct hdspm * hdspm)
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{
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	if (hdspm->is_aes32) {
		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
		unsigned int timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);

		int syncref = hdspm_autosync_ref(hdspm);

		if (syncref == HDSPM_AES32_AUTOSYNC_FROM_WORD &&
				status & HDSPM_AES32_wcLock)
			return HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF);
		if (syncref >= HDSPM_AES32_AUTOSYNC_FROM_AES1 &&
			syncref <= HDSPM_AES32_AUTOSYNC_FROM_AES8 &&
			status2 & (HDSPM_LockAES >>
			          (syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1)))
			return HDSPM_bit2freq((timecode >>
			  (4*(syncref-HDSPM_AES32_AUTOSYNC_FROM_AES1))) & 0xF);
		return 0;
	} else {
		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
		unsigned int rate_bits;
		int rate = 0;
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		/* if wordclock has synced freq and wordclock is valid */
		if ((status2 & HDSPM_wcLock) != 0 &&
				(status & HDSPM_SelSyncRef0) == 0) {
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			rate_bits = status2 & HDSPM_wcFreqMask;
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			switch (rate_bits) {
			case HDSPM_wcFreq32:
				rate = 32000;
				break;
			case HDSPM_wcFreq44_1:
				rate = 44100;
				break;
			case HDSPM_wcFreq48:
				rate = 48000;
				break;
			case HDSPM_wcFreq64:
				rate = 64000;
				break;
			case HDSPM_wcFreq88_2:
				rate = 88200;
				break;
			case HDSPM_wcFreq96:
				rate = 96000;
				break;
				/* Quadspeed Bit missing ???? */
			default:
				rate = 0;
				break;
			}
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		}

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		/* if rate detected and Syncref is Word than have it, word has priority to MADI */
		if (rate != 0 &&
	            (status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
			return rate;
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		/* maby a madi input (which is taken if sel sync is madi) */
		if (status & HDSPM_madiLock) {
			rate_bits = status & HDSPM_madiFreqMask;
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			switch (rate_bits) {
			case HDSPM_madiFreq32:
				rate = 32000;
				break;
			case HDSPM_madiFreq44_1:
				rate = 44100;
				break;
			case HDSPM_madiFreq48:
				rate = 48000;
				break;
			case HDSPM_madiFreq64:
				rate = 64000;
				break;
			case HDSPM_madiFreq88_2:
				rate = 88200;
				break;
			case HDSPM_madiFreq96:
				rate = 96000;
				break;
			case HDSPM_madiFreq128:
				rate = 128000;
				break;
			case HDSPM_madiFreq176_4:
				rate = 176400;
				break;
			case HDSPM_madiFreq192:
				rate = 192000;
				break;
			default:
				rate = 0;
				break;
			}
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		}
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		return rate;
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	}
}

/* Latency function */
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static inline void hdspm_compute_period_size(struct hdspm * hdspm)
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{
	hdspm->period_bytes =
	    1 << ((hdspm_decode_latency(hdspm->control_register) + 8));
}

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static snd_pcm_uframes_t hdspm_hw_pointer(struct hdspm * hdspm)
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{
	int position;

	position = hdspm_read(hdspm, HDSPM_statusRegister);

	if (!hdspm->precise_ptr) {
		return (position & HDSPM_BufferID) ? (hdspm->period_bytes /
						      4) : 0;
	}

	/* hwpointer comes in bytes and is 64Bytes accurate (by docu since PCI Burst)
	   i have experimented that it is at most 64 Byte to much for playing 
	   so substraction of 64 byte should be ok for ALSA, but use it only
	   for application where you know what you do since if you come to
	   near with record pointer it can be a disaster */

	position &= HDSPM_BufferPositionMask;
	position = ((position - 64) % (2 * hdspm->period_bytes)) / 4;

	return position;
}


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static inline void hdspm_start_audio(struct hdspm * s)
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{
	s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
	hdspm_write(s, HDSPM_controlRegister, s->control_register);
}

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static inline void hdspm_stop_audio(struct hdspm * s)
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{
	s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
	hdspm_write(s, HDSPM_controlRegister, s->control_register);
}

/* should I silence all or only opened ones ? doit all for first even is 4MB*/
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static inline void hdspm_silence_playback(struct hdspm * hdspm)
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{
	int i;
	int n = hdspm->period_bytes;
	void *buf = hdspm->playback_buffer;

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	if (buf == NULL)
		return;
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	for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
		memset(buf, 0, n);
		buf += HDSPM_CHANNEL_BUFFER_BYTES;
	}
}

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static int hdspm_set_interrupt_interval(struct hdspm * s, unsigned int frames)
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{
	int n;

	spin_lock_irq(&s->lock);

	frames >>= 7;
	n = 0;
	while (frames) {
		n++;
		frames >>= 1;
	}
	s->control_register &= ~HDSPM_LatencyMask;
	s->control_register |= hdspm_encode_latency(n);

	hdspm_write(s, HDSPM_controlRegister, s->control_register);

	hdspm_compute_period_size(s);

	spin_unlock_irq(&s->lock);

	return 0;
}


/* dummy set rate lets see what happens */
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static int hdspm_set_rate(struct hdspm * hdspm, int rate, int called_internally)
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{
	int reject_if_open = 0;
	int current_rate;
	int rate_bits;
	int not_set = 0;
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	int is_single, is_double, is_quad;
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	/* ASSUMPTION: hdspm->lock is either set, or there is no need for
	   it (e.g. during module initialization).
	 */

	if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {

	        /* SLAVE --- */ 
		if (called_internally) {

        	  /* request from ctl or card initialization 
	             just make a warning an remember setting 
		     for future master mode switching */
    
			snd_printk
			    (KERN_WARNING "HDSPM: Warning: device is not running as a clock master.\n");
			not_set = 1;
		} else {

			/* hw_param request while in AutoSync mode */
			int external_freq =
			    hdspm_external_sample_rate(hdspm);

			if ((hdspm_autosync_ref(hdspm) ==
			     HDSPM_AUTOSYNC_FROM_NONE)) {

				snd_printk(KERN_WARNING "HDSPM: Detected no Externel Sync \n");
				not_set = 1;

			} else if (rate != external_freq) {

				snd_printk
				    (KERN_WARNING "HDSPM: Warning: No AutoSync source for requested rate\n");
				not_set = 1;
			}
		}
	}

	current_rate = hdspm->system_sample_rate;

	/* Changing between Singe, Double and Quad speed is not
	   allowed if any substreams are open. This is because such a change
	   causes a shift in the location of the DMA buffers and a reduction
	   in the number of available buffers.

	   Note that a similar but essentially insoluble problem exists for
	   externally-driven rate changes. All we can do is to flag rate
	   changes in the read/write routines.  
	 */

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	is_single = (current_rate <= 48000);
	is_double = (current_rate > 48000 && current_rate <= 96000);
	is_quad = (current_rate > 96000);

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	switch (rate) {
	case 32000:
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		if (!is_single)
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			reject_if_open = 1;
		rate_bits = HDSPM_Frequency32KHz;
		break;
	case 44100:
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		if (!is_single)
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			reject_if_open = 1;
		rate_bits = HDSPM_Frequency44_1KHz;
		break;
	case 48000:
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		if (!is_single)
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			reject_if_open = 1;
		rate_bits = HDSPM_Frequency48KHz;
		break;
	case 64000:
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		if (!is_double)
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			reject_if_open = 1;
		rate_bits = HDSPM_Frequency64KHz;
		break;
	case 88200:
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		if (!is_double)
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			reject_if_open = 1;
		rate_bits = HDSPM_Frequency88_2KHz;
		break;
	case 96000:
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		if (!is_double)
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			reject_if_open = 1;
		rate_bits = HDSPM_Frequency96KHz;
		break;
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	case 128000:
		if (!is_quad)
			reject_if_open = 1;
		rate_bits = HDSPM_Frequency128KHz;
		break;
	case 176400:
		if (!is_quad)
			reject_if_open = 1;
		rate_bits = HDSPM_Frequency176_4KHz;
		break;
	case 192000:
		if (!is_quad)
			reject_if_open = 1;
		rate_bits = HDSPM_Frequency192KHz;
		break;
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	default:
		return -EINVAL;
	}

	if (reject_if_open
	    && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
		snd_printk
		    (KERN_ERR "HDSPM: cannot change between single- and double-speed mode (capture PID = %d, playback PID = %d)\n",
		     hdspm->capture_pid, hdspm->playback_pid);
		return -EBUSY;
	}

	hdspm->control_register &= ~HDSPM_FrequencyMask;
	hdspm->control_register |= rate_bits;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

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	if (rate > 96000 /* 64000*/)
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		hdspm->channel_map = channel_map_madi_qs;
	else if (rate > 48000)
		hdspm->channel_map = channel_map_madi_ds;
	else 
		hdspm->channel_map = channel_map_madi_ss;

	hdspm->system_sample_rate = rate;

	if (not_set != 0)
		return -1;

	return 0;
}

/* mainly for init to 0 on load */
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static void all_in_all_mixer(struct hdspm * hdspm, int sgain)
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{
	int i, j;
	unsigned int gain =
	    (sgain > UNITY_GAIN) ? UNITY_GAIN : (sgain < 0) ? 0 : sgain;

	for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
		for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
			hdspm_write_in_gain(hdspm, i, j, gain);
			hdspm_write_pb_gain(hdspm, i, j, gain);
		}
}

/*----------------------------------------------------------------------------
   MIDI
  ----------------------------------------------------------------------------*/

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static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm, int id)
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{
	/* the hardware already does the relevant bit-mask with 0xff */
	if (id)
		return hdspm_read(hdspm, HDSPM_midiDataIn1);
	else
		return hdspm_read(hdspm, HDSPM_midiDataIn0);
}

988
static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id, int val)
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{
	/* the hardware already does the relevant bit-mask with 0xff */
	if (id)
		return hdspm_write(hdspm, HDSPM_midiDataOut1, val);
	else
		return hdspm_write(hdspm, HDSPM_midiDataOut0, val);
}

997
static inline int snd_hdspm_midi_input_available (struct hdspm *hdspm, int id)
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{
	if (id)
		return (hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff);
	else
		return (hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff);
}

1005
static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id)
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{
	int fifo_bytes_used;

	if (id)
		fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xff;
	else
		fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xff;

	if (fifo_bytes_used < 128)
		return  128 - fifo_bytes_used;
	else
		return 0;
}

1020
static inline void snd_hdspm_flush_midi_input (struct hdspm *hdspm, int id)
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{
	while (snd_hdspm_midi_input_available (hdspm, id))
		snd_hdspm_midi_read_byte (hdspm, id);
}

1026
static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)
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{
	unsigned long flags;
	int n_pending;
	int to_write;
	int i;
	unsigned char buf[128];

	/* Output is not interrupt driven */
		
	spin_lock_irqsave (&hmidi->lock, flags);
	if (hmidi->output) {
		if (!snd_rawmidi_transmit_empty (hmidi->output)) {
			if ((n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm, hmidi->id)) > 0) {
				if (n_pending > (int)sizeof (buf))
					n_pending = sizeof (buf);
				
				if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
					for (i = 0; i < to_write; ++i) 
						snd_hdspm_midi_write_byte (hmidi->hdspm, hmidi->id, buf[i]);
				}
			}
		}
	}
	spin_unlock_irqrestore (&hmidi->lock, flags);
	return 0;
}

1054
static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)
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{
	unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
	unsigned long flags;
	int n_pending;
	int i;

	spin_lock_irqsave (&hmidi->lock, flags);
	if ((n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id)) > 0) {
		if (hmidi->input) {
			if (n_pending > (int)sizeof (buf)) {
				n_pending = sizeof (buf);
			}
			for (i = 0; i < n_pending; ++i) {
				buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
			}
			if (n_pending) {
				snd_rawmidi_receive (hmidi->input, buf, n_pending);
			}
		} else {
			/* flush the MIDI input FIFO */
			while (n_pending--) {
				snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
			}
		}
	}
	hmidi->pending = 0;
	if (hmidi->id) {
		hmidi->hdspm->control_register |= HDSPM_Midi1InterruptEnable;
	} else {
		hmidi->hdspm->control_register |= HDSPM_Midi0InterruptEnable;
	}
	hdspm_write(hmidi->hdspm, HDSPM_controlRegister, hmidi->hdspm->control_register);
	spin_unlock_irqrestore (&hmidi->lock, flags);
	return snd_hdspm_midi_output_write (hmidi);
}

1091
static void snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
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{
1093 1094
	struct hdspm *hdspm;
	struct hdspm_midi *hmidi;
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	unsigned long flags;
	u32 ie;

1098
	hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
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	hdspm = hmidi->hdspm;
	ie = hmidi->id ? HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
	spin_lock_irqsave (&hdspm->lock, flags);
	if (up) {
		if (!(hdspm->control_register & ie)) {
			snd_hdspm_flush_midi_input (hdspm, hmidi->id);
			hdspm->control_register |= ie;
		}
	} else {
		hdspm->control_register &= ~ie;
	}

	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
	spin_unlock_irqrestore (&hdspm->lock, flags);
}

static void snd_hdspm_midi_output_timer(unsigned long data)
{
1117
	struct hdspm_midi *hmidi = (struct hdspm_midi *) data;
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	unsigned long flags;
	
	snd_hdspm_midi_output_write(hmidi);
	spin_lock_irqsave (&hmidi->lock, flags);

	/* this does not bump hmidi->istimer, because the
	   kernel automatically removed the timer when it
	   expired, and we are now adding it back, thus
	   leaving istimer wherever it was set before.  
	*/

	if (hmidi->istimer) {
		hmidi->timer.expires = 1 + jiffies;
		add_timer(&hmidi->timer);
	}

	spin_unlock_irqrestore (&hmidi->lock, flags);
}

1137
static void snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
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{
1139
	struct hdspm_midi *hmidi;
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	unsigned long flags;

1142
	hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
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	spin_lock_irqsave (&hmidi->lock, flags);
	if (up) {
		if (!hmidi->istimer) {
			init_timer(&hmidi->timer);
			hmidi->timer.function = snd_hdspm_midi_output_timer;
			hmidi->timer.data = (unsigned long) hmidi;
			hmidi->timer.expires = 1 + jiffies;
			add_timer(&hmidi->timer);
			hmidi->istimer++;
		}
	} else {
		if (hmidi->istimer && --hmidi->istimer <= 0) {
			del_timer (&hmidi->timer);
		}
	}
	spin_unlock_irqrestore (&hmidi->lock, flags);
	if (up)
		snd_hdspm_midi_output_write(hmidi);
}

1163
static int snd_hdspm_midi_input_open(struct snd_rawmidi_substream *substream)
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{
1165
	struct hdspm_midi *hmidi;
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	hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
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	spin_lock_irq (&hmidi->lock);
	snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
	hmidi->input = substream;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1176
static int snd_hdspm_midi_output_open(struct snd_rawmidi_substream *substream)
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{
1178
	struct hdspm_midi *hmidi;
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	hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
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	spin_lock_irq (&hmidi->lock);
	hmidi->output = substream;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1188
static int snd_hdspm_midi_input_close(struct snd_rawmidi_substream *substream)
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{
1190
	struct hdspm_midi *hmidi;
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	snd_hdspm_midi_input_trigger (substream, 0);

1194
	hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
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	spin_lock_irq (&hmidi->lock);
	hmidi->input = NULL;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1202
static int snd_hdspm_midi_output_close(struct snd_rawmidi_substream *substream)
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{
1204
	struct hdspm_midi *hmidi;
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	snd_hdspm_midi_output_trigger (substream, 0);

1208
	hmidi = (struct hdspm_midi *) substream->rmidi->private_data;
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	spin_lock_irq (&hmidi->lock);
	hmidi->output = NULL;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1216
static struct snd_rawmidi_ops snd_hdspm_midi_output =
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{
	.open =		snd_hdspm_midi_output_open,
	.close =	snd_hdspm_midi_output_close,
	.trigger =	snd_hdspm_midi_output_trigger,
};

1223
static struct snd_rawmidi_ops snd_hdspm_midi_input =
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{
	.open =		snd_hdspm_midi_input_open,
	.close =	snd_hdspm_midi_input_close,
	.trigger =	snd_hdspm_midi_input_trigger,
};

1230
static int __devinit snd_hdspm_create_midi (struct snd_card *card, struct hdspm *hdspm, int id)
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{
	int err;
	char buf[32];

	hdspm->midi[id].id = id;
	hdspm->midi[id].rmidi = NULL;
	hdspm->midi[id].input = NULL;
	hdspm->midi[id].output = NULL;
	hdspm->midi[id].hdspm = hdspm;
	hdspm->midi[id].istimer = 0;
	hdspm->midi[id].pending = 0;
	spin_lock_init (&hdspm->midi[id].lock);

	sprintf (buf, "%s MIDI %d", card->shortname, id+1);
	if ((err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi)) < 0)
		return err;

	sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
	hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];

	snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdspm_midi_output);
	snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdspm_midi_input);

	hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
		SNDRV_RAWMIDI_INFO_INPUT |
		SNDRV_RAWMIDI_INFO_DUPLEX;

	return 0;
}


static void hdspm_midi_tasklet(unsigned long arg)
{
1264
	struct hdspm *hdspm = (struct hdspm *)arg;
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	if (hdspm->midi[0].pending)
		snd_hdspm_midi_input_read (&hdspm->midi[0]);
	if (hdspm->midi[1].pending)
		snd_hdspm_midi_input_read (&hdspm->midi[1]);
} 


/*-----------------------------------------------------------------------------
  Status Interface
  ----------------------------------------------------------------------------*/

/* get the system sample rate which is set */

#define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
1280
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_system_sample_rate, \
  .get = snd_hdspm_get_system_sample_rate \
}

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static int snd_hdspm_info_system_sample_rate(struct snd_kcontrol *kcontrol,
					     struct snd_ctl_elem_info *uinfo)
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{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	return 0;
}

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static int snd_hdspm_get_system_sample_rate(struct snd_kcontrol *kcontrol,
					    struct snd_ctl_elem_value *
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					    ucontrol)
{
1300
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] = hdspm->system_sample_rate;
	return 0;
}

#define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1307
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_autosync_sample_rate, \
  .get = snd_hdspm_get_autosync_sample_rate \
}

1315 1316
static int snd_hdspm_info_autosync_sample_rate(struct snd_kcontrol *kcontrol,
					       struct snd_ctl_elem_info *uinfo)
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{
	static char *texts[] = { "32000", "44100", "48000",
		"64000", "88200", "96000",
		"128000", "176400", "192000",
		"None"
	};
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 10;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

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static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
					      struct snd_ctl_elem_value *
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					      ucontrol)
{
1338
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	switch (hdspm_external_sample_rate(hdspm)) {
	case 32000:
		ucontrol->value.enumerated.item[0] = 0;
		break;
	case 44100:
		ucontrol->value.enumerated.item[0] = 1;
		break;
	case 48000:
		ucontrol->value.enumerated.item[0] = 2;
		break;
	case 64000:
		ucontrol->value.enumerated.item[0] = 3;
		break;
	case 88200:
		ucontrol->value.enumerated.item[0] = 4;
		break;
	case 96000:
		ucontrol->value.enumerated.item[0] = 5;
		break;
	case 128000:
		ucontrol->value.enumerated.item[0] = 6;
		break;
	case 176400:
		ucontrol->value.enumerated.item[0] = 7;
		break;
	case 192000:
		ucontrol->value.enumerated.item[0] = 8;
		break;

	default:
		ucontrol->value.enumerated.item[0] = 9;
	}
	return 0;
}

#define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
1376
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_system_clock_mode, \
  .get = snd_hdspm_get_system_clock_mode, \
}



1386
static int hdspm_system_clock_mode(struct hdspm * hdspm)
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{
        /* Always reflect the hardware info, rme is never wrong !!!! */

	if (hdspm->control_register & HDSPM_ClockModeMaster)
		return 0;
	return 1;
}

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static int snd_hdspm_info_system_clock_mode(struct snd_kcontrol *kcontrol,
					    struct snd_ctl_elem_info *uinfo)
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{
	static char *texts[] = { "Master", "Slave" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

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static int snd_hdspm_get_system_clock_mode(struct snd_kcontrol *kcontrol,
					   struct snd_ctl_elem_value *ucontrol)
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{
1414
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] =
	    hdspm_system_clock_mode(hdspm);
	return 0;
}

#define HDSPM_CLOCK_SOURCE(xname, xindex) \
1422
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_clock_source, \
  .get = snd_hdspm_get_clock_source, \
  .put = snd_hdspm_put_clock_source \
}

1430
static int hdspm_clock_source(struct hdspm * hdspm)
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{
	if (hdspm->control_register & HDSPM_ClockModeMaster) {
		switch (hdspm->system_sample_rate) {
		case 32000:
			return 1;
		case 44100:
			return 2;
		case 48000:
			return 3;
		case 64000:
			return 4;
		case 88200:
			return 5;
		case 96000:
			return 6;
		case 128000:
			return 7;
		case 176400:
			return 8;
		case 192000:
			return 9;
		default:
			return 3;
		}
	} else {
		return 0;
	}
}

1460
static int hdspm_set_clock_source(struct hdspm * hdspm, int mode)
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{
	int rate;
	switch (mode) {

	case HDSPM_CLOCK_SOURCE_AUTOSYNC:
		if (hdspm_external_sample_rate(hdspm) != 0) {
			hdspm->control_register &= ~HDSPM_ClockModeMaster;
			hdspm_write(hdspm, HDSPM_controlRegister,
				    hdspm->control_register);
			return 0;
		}
		return -1;
	case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
		rate = 32000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
		rate = 44100;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
		rate = 48000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
		rate = 64000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
		rate = 88200;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
		rate = 96000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
		rate = 128000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
		rate = 176400;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
		rate = 192000;
		break;

	default:
		rate = 44100;
	}
	hdspm->control_register |= HDSPM_ClockModeMaster;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
	hdspm_set_rate(hdspm, rate, 1);
	return 0;
}

1510 1511
static int snd_hdspm_info_clock_source(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
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{
	static char *texts[] = { "AutoSync",
		"Internal 32.0 kHz", "Internal 44.1 kHz",
		    "Internal 48.0 kHz",
		"Internal 64.0 kHz", "Internal 88.2 kHz",
		    "Internal 96.0 kHz",
		"Internal 128.0 kHz", "Internal 176.4 kHz",
		    "Internal 192.0 kHz"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 10;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;

	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

	return 0;
}

1536 1537
static int snd_hdspm_get_clock_source(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
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{
1539
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
	return 0;
}

1545 1546
static int snd_hdspm_put_clock_source(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
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{
1548
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.enumerated.item[0];
	if (val < 0)
		val = 0;
	if (val > 6)
		val = 6;
	spin_lock_irq(&hdspm->lock);
	if (val != hdspm_clock_source(hdspm))
		change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
	else
		change = 0;
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_PREF_SYNC_REF(xname, xindex) \
1569
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_pref_sync_ref, \
  .get = snd_hdspm_get_pref_sync_ref, \
  .put = snd_hdspm_put_pref_sync_ref \
}

1577
static int hdspm_pref_sync_ref(struct hdspm * hdspm)
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{
	/* Notice that this looks at the requested sync source,
	   not the one actually in use.
	 */
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	if (hdspm->is_aes32) {
		switch (hdspm->control_register & HDSPM_SyncRefMask) {
		/* number gives AES index, except for 0 which
		   corresponds to WordClock */
		case 0: return 0;
		case HDSPM_SyncRef0: return 1;
		case HDSPM_SyncRef1: return 2;
		case HDSPM_SyncRef1+HDSPM_SyncRef0: return 3;
		case HDSPM_SyncRef2: return 4;
		case HDSPM_SyncRef2+HDSPM_SyncRef0: return 5;
		case HDSPM_SyncRef2+HDSPM_SyncRef1: return 6;
		case HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0: return 7;
		case HDSPM_SyncRef3: return 8;
		}
	} else {
		switch (hdspm->control_register & HDSPM_SyncRefMask) {
		case HDSPM_SyncRef_Word:
			return HDSPM_SYNC_FROM_WORD;
		case HDSPM_SyncRef_MADI:
			return HDSPM_SYNC_FROM_MADI;
		}
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	}

	return HDSPM_SYNC_FROM_WORD;
}

1608
static int hdspm_set_pref_sync_ref(struct hdspm * hdspm, int pref)
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{
	hdspm->control_register &= ~HDSPM_SyncRefMask;

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	if (hdspm->is_aes32) {
		switch (pref) {
		case 0:
		       hdspm->control_register |= 0;
		       break;
		case 1:
		       hdspm->control_register |= HDSPM_SyncRef0;
		       break;
		case 2:
		       hdspm->control_register |= HDSPM_SyncRef1;
		       break;
		case 3:
		       hdspm->control_register |= HDSPM_SyncRef1+HDSPM_SyncRef0;
		       break;
		case 4:
		       hdspm->control_register |= HDSPM_SyncRef2;
		       break;
		case 5:
		       hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef0;
		       break;
		case 6:
		       hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef1;
		       break;
		case 7:
		       hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
		       break;
		case 8:
		       hdspm->control_register |= HDSPM_SyncRef3;
		       break;
		default:
		       return -1;
		}
	} else {
		switch (pref) {
		case HDSPM_SYNC_FROM_MADI:
			hdspm->control_register |= HDSPM_SyncRef_MADI;
			break;
		case HDSPM_SYNC_FROM_WORD:
			hdspm->control_register |= HDSPM_SyncRef_Word;
			break;
		default:
			return -1;
		}
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	}
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
	return 0;
}

1660 1661
static int snd_hdspm_info_pref_sync_ref(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_info *uinfo)
T
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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R
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	if (hdspm->is_aes32) {
		static char *texts[] = { "Word", "AES1", "AES2", "AES3",
			"AES4", "AES5",	"AES6", "AES7", "AES8" };
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		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;
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		uinfo->value.enumerated.items = 9;

		if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	} else {
		static char *texts[] = { "Word", "MADI" };

		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;

		uinfo->value.enumerated.items = 2;

		if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	}
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	return 0;
}

1696 1697
static int snd_hdspm_get_pref_sync_ref(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
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{
1699
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
	return 0;
}

1705 1706
static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
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{
1708
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change, max;
	unsigned int val;

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	max = hdspm->is_aes32 ? 9 : 2;
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	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;

	val = ucontrol->value.enumerated.item[0] % max;

	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_pref_sync_ref(hdspm);
	hdspm_set_pref_sync_ref(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_AUTOSYNC_REF(xname, xindex) \
1727
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_autosync_ref, \
  .get = snd_hdspm_get_autosync_ref, \
}

1735
static int hdspm_autosync_ref(struct hdspm * hdspm)
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{
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	if (hdspm->is_aes32) {
		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
		unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
		if (syncref == 0)
			return HDSPM_AES32_AUTOSYNC_FROM_WORD;
		if (syncref <= 8)
			return syncref;
		return HDSPM_AES32_AUTOSYNC_FROM_NONE;
	} else {
		/* This looks at the autosync selected sync reference */
		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);

		switch (status2 & HDSPM_SelSyncRefMask) {
		case HDSPM_SelSyncRef_WORD:
			return HDSPM_AUTOSYNC_FROM_WORD;
		case HDSPM_SelSyncRef_MADI:
			return HDSPM_AUTOSYNC_FROM_MADI;
		case HDSPM_SelSyncRef_NVALID:
			return HDSPM_AUTOSYNC_FROM_NONE;
		default:
			return 0;
		}
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		return 0;
	}
}

1764 1765
static int snd_hdspm_info_autosync_ref(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	if (hdspm->is_aes32) {
		static char *texts[] = { "WordClock", "AES1", "AES2", "AES3",
			"AES4",	"AES5", "AES6", "AES7", "AES8", "None"};

		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;
		uinfo->value.enumerated.items = 10;
		if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	}
	else
	{
		static char *texts[] = { "WordClock", "MADI", "None" };

		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;
		uinfo->value.enumerated.items = 3;
		if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	}
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	return 0;
}

1798 1799
static int snd_hdspm_get_autosync_ref(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
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{
1801
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
	return 0;
}

#define HDSPM_LINE_OUT(xname, xindex) \
1808
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_line_out, \
  .get = snd_hdspm_get_line_out, \
  .put = snd_hdspm_put_line_out \
}

1816
static int hdspm_line_out(struct hdspm * hdspm)
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{
	return (hdspm->control_register & HDSPM_LineOut) ? 1 : 0;
}


1822
static int hdspm_set_line_output(struct hdspm * hdspm, int out)
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{
	if (out)
		hdspm->control_register |= HDSPM_LineOut;
	else
		hdspm->control_register &= ~HDSPM_LineOut;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

1833 1834
static int snd_hdspm_info_line_out(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_info *uinfo)
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{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

1843 1844
static int snd_hdspm_get_line_out(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
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{
1846
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_line_out(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

1854 1855
static int snd_hdspm_put_line_out(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
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{
1857
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_line_out(hdspm);
	hdspm_set_line_output(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_TX_64(xname, xindex) \
1872
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_tx_64, \
  .get = snd_hdspm_get_tx_64, \
  .put = snd_hdspm_put_tx_64 \
}

1880
static int hdspm_tx_64(struct hdspm * hdspm)
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{
	return (hdspm->control_register & HDSPM_TX_64ch) ? 1 : 0;
}

1885
static int hdspm_set_tx_64(struct hdspm * hdspm, int out)
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{
	if (out)
		hdspm->control_register |= HDSPM_TX_64ch;
	else
		hdspm->control_register &= ~HDSPM_TX_64ch;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

1896 1897
static int snd_hdspm_info_tx_64(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
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{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

1906 1907
static int snd_hdspm_get_tx_64(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
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{
1909
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_tx_64(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

1917 1918
static int snd_hdspm_put_tx_64(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
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{
1920
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_tx_64(hdspm);
	hdspm_set_tx_64(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_C_TMS(xname, xindex) \
1935
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_c_tms, \
  .get = snd_hdspm_get_c_tms, \
  .put = snd_hdspm_put_c_tms \
}

1943
static int hdspm_c_tms(struct hdspm * hdspm)
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{
	return (hdspm->control_register & HDSPM_clr_tms) ? 1 : 0;
}

1948
static int hdspm_set_c_tms(struct hdspm * hdspm, int out)
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{
	if (out)
		hdspm->control_register |= HDSPM_clr_tms;
	else
		hdspm->control_register &= ~HDSPM_clr_tms;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

1959 1960
static int snd_hdspm_info_c_tms(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
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{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

1969 1970
static int snd_hdspm_get_c_tms(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
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{
1972
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_c_tms(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

1980 1981
static int snd_hdspm_put_c_tms(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
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{
1983
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_c_tms(hdspm);
	hdspm_set_c_tms(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_SAFE_MODE(xname, xindex) \
1998
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_safe_mode, \
  .get = snd_hdspm_get_safe_mode, \
  .put = snd_hdspm_put_safe_mode \
}

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static int hdspm_safe_mode(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_AutoInp) ? 1 : 0;
}

static int hdspm_set_safe_mode(struct hdspm * hdspm, int out)
{
	if (out)
		hdspm->control_register |= HDSPM_AutoInp;
	else
		hdspm->control_register &= ~HDSPM_AutoInp;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

static int snd_hdspm_info_safe_mode(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int snd_hdspm_get_safe_mode(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_safe_mode(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_safe_mode(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_safe_mode(hdspm);
	hdspm_set_safe_mode(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_EMPHASIS(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_emphasis, \
  .get = snd_hdspm_get_emphasis, \
  .put = snd_hdspm_put_emphasis \
}

static int hdspm_emphasis(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_Emphasis) ? 1 : 0;
}

static int hdspm_set_emphasis(struct hdspm * hdspm, int emp)
{
	if (emp)
		hdspm->control_register |= HDSPM_Emphasis;
	else
		hdspm->control_register &= ~HDSPM_Emphasis;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

static int snd_hdspm_info_emphasis(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int snd_hdspm_get_emphasis(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_emphasis(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_emphasis(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_emphasis(hdspm);
	hdspm_set_emphasis(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_DOLBY(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_dolby, \
  .get = snd_hdspm_get_dolby, \
  .put = snd_hdspm_put_dolby \
}

static int hdspm_dolby(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_Dolby) ? 1 : 0;
}

static int hdspm_set_dolby(struct hdspm * hdspm, int dol)
{
	if (dol)
		hdspm->control_register |= HDSPM_Dolby;
	else
		hdspm->control_register &= ~HDSPM_Dolby;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

static int snd_hdspm_info_dolby(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int snd_hdspm_get_dolby(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_dolby(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_dolby(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_dolby(hdspm);
	hdspm_set_dolby(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_PROFESSIONAL(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_professional, \
  .get = snd_hdspm_get_professional, \
  .put = snd_hdspm_put_professional \
}

static int hdspm_professional(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_Professional) ? 1 : 0;
}

static int hdspm_set_professional(struct hdspm * hdspm, int dol)
{
	if (dol)
		hdspm->control_register |= HDSPM_Professional;
	else
		hdspm->control_register &= ~HDSPM_Professional;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

static int snd_hdspm_info_professional(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int snd_hdspm_get_professional(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_professional(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_professional(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_professional(hdspm);
	hdspm_set_professional(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_INPUT_SELECT(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_input_select, \
  .get = snd_hdspm_get_input_select, \
  .put = snd_hdspm_put_input_select \
}

static int hdspm_input_select(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
}

static int hdspm_set_input_select(struct hdspm * hdspm, int out)
{
	if (out)
		hdspm->control_register |= HDSPM_InputSelect0;
	else
		hdspm->control_register &= ~HDSPM_InputSelect0;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

static int snd_hdspm_info_input_select(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
{
	static char *texts[] = { "optical", "coaxial" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

	return 0;
}

static int snd_hdspm_get_input_select(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_input_select(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_input_select(hdspm);
	hdspm_set_input_select(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_DS_WIRE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_ds_wire, \
  .get = snd_hdspm_get_ds_wire, \
  .put = snd_hdspm_put_ds_wire \
}

static int hdspm_ds_wire(struct hdspm * hdspm)
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{
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	return (hdspm->control_register & HDSPM_DS_DoubleWire) ? 1 : 0;
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}

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static int hdspm_set_ds_wire(struct hdspm * hdspm, int ds)
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{
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	if (ds)
		hdspm->control_register |= HDSPM_DS_DoubleWire;
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	else
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		hdspm->control_register &= ~HDSPM_DS_DoubleWire;
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	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

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static int snd_hdspm_info_ds_wire(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
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{
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	static char *texts[] = { "Single", "Double" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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	uinfo->count = 1;
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	uinfo->value.enumerated.items = 2;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

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	return 0;
}

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static int snd_hdspm_get_ds_wire(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	spin_lock_irq(&hdspm->lock);
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	ucontrol->value.enumerated.item[0] = hdspm_ds_wire(hdspm);
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	spin_unlock_irq(&hdspm->lock);
	return 0;
}

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static int snd_hdspm_put_ds_wire(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
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	change = (int) val != hdspm_ds_wire(hdspm);
	hdspm_set_ds_wire(hdspm, val);
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	spin_unlock_irq(&hdspm->lock);
	return change;
}

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#define HDSPM_QS_WIRE(xname, xindex) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
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  .info = snd_hdspm_info_qs_wire, \
  .get = snd_hdspm_get_qs_wire, \
  .put = snd_hdspm_put_qs_wire \
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}

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static int hdspm_qs_wire(struct hdspm * hdspm)
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{
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	if (hdspm->control_register & HDSPM_QS_DoubleWire)
		return 1;
	if (hdspm->control_register & HDSPM_QS_QuadWire)
		return 2;
	return 0;
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}

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static int hdspm_set_qs_wire(struct hdspm * hdspm, int mode)
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{
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	hdspm->control_register &= ~(HDSPM_QS_DoubleWire | HDSPM_QS_QuadWire);
	switch (mode) {
	case 0:
		break;
	case 1:
		hdspm->control_register |= HDSPM_QS_DoubleWire;
		break;
	case 2:
		hdspm->control_register |= HDSPM_QS_QuadWire;
		break;
	}
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	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

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static int snd_hdspm_info_qs_wire(struct snd_kcontrol *kcontrol,
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				       struct snd_ctl_elem_info *uinfo)
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{
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	static char *texts[] = { "Single", "Double", "Quad" };
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	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
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	uinfo->value.enumerated.items = 3;
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	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

	return 0;
}

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static int snd_hdspm_get_qs_wire(struct snd_kcontrol *kcontrol,
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				      struct snd_ctl_elem_value *ucontrol)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	spin_lock_irq(&hdspm->lock);
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	ucontrol->value.enumerated.item[0] = hdspm_qs_wire(hdspm);
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	spin_unlock_irq(&hdspm->lock);
	return 0;
}

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static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
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				      struct snd_ctl_elem_value *ucontrol)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
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	int val;
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	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
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	val = ucontrol->value.integer.value[0];
	if (val < 0)
		val = 0;
	if (val > 2)
		val = 2;
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	spin_lock_irq(&hdspm->lock);
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	change = (int) val != hdspm_qs_wire(hdspm);
	hdspm_set_qs_wire(hdspm, val);
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	spin_unlock_irq(&hdspm->lock);
	return change;
}

/*           Simple Mixer
  deprecated since to much faders ???
  MIXER interface says output (source, destination, value)
   where source > MAX_channels are playback channels 
   on MADICARD 
  - playback mixer matrix: [channelout+64] [output] [value]
  - input(thru) mixer matrix: [channelin] [output] [value]
  (better do 2 kontrols for seperation ?)
*/

#define HDSPM_MIXER(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
  .name = xname, \
  .index = xindex, \
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  .device = 0, \
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  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_mixer, \
  .get = snd_hdspm_get_mixer, \
  .put = snd_hdspm_put_mixer \
}

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static int snd_hdspm_info_mixer(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
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{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 3;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 65535;
	uinfo->value.integer.step = 1;
	return 0;
}

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static int snd_hdspm_get_mixer(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int source;
	int destination;

	source = ucontrol->value.integer.value[0];
	if (source < 0)
		source = 0;
	else if (source >= 2 * HDSPM_MAX_CHANNELS)
		source = 2 * HDSPM_MAX_CHANNELS - 1;

	destination = ucontrol->value.integer.value[1];
	if (destination < 0)
		destination = 0;
	else if (destination >= HDSPM_MAX_CHANNELS)
		destination = HDSPM_MAX_CHANNELS - 1;

	spin_lock_irq(&hdspm->lock);
	if (source >= HDSPM_MAX_CHANNELS)
		ucontrol->value.integer.value[2] =
		    hdspm_read_pb_gain(hdspm, destination,
				       source - HDSPM_MAX_CHANNELS);
	else
		ucontrol->value.integer.value[2] =
		    hdspm_read_in_gain(hdspm, destination, source);

	spin_unlock_irq(&hdspm->lock);

	return 0;
}

2543 2544
static int snd_hdspm_put_mixer(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
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{
2546
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	int source;
	int destination;
	int gain;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;

	source = ucontrol->value.integer.value[0];
	destination = ucontrol->value.integer.value[1];

	if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
		return -1;
	if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
		return -1;

	gain = ucontrol->value.integer.value[2];

	spin_lock_irq(&hdspm->lock);

	if (source >= HDSPM_MAX_CHANNELS)
		change = gain != hdspm_read_pb_gain(hdspm, destination,
						    source -
						    HDSPM_MAX_CHANNELS);
	else
		change =
		    gain != hdspm_read_in_gain(hdspm, destination, source);

	if (change) {
		if (source >= HDSPM_MAX_CHANNELS)
			hdspm_write_pb_gain(hdspm, destination,
					    source - HDSPM_MAX_CHANNELS,
					    gain);
		else
			hdspm_write_in_gain(hdspm, destination, source,
					    gain);
	}
	spin_unlock_irq(&hdspm->lock);

	return change;
}

/* The simple mixer control(s) provide gain control for the
   basic 1:1 mappings of playback streams to output
   streams. 
*/

#define HDSPM_PLAYBACK_MIXER \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_playback_mixer, \
  .get = snd_hdspm_get_playback_mixer, \
  .put = snd_hdspm_put_playback_mixer \
}

2603 2604
static int snd_hdspm_info_playback_mixer(struct snd_kcontrol *kcontrol,
					 struct snd_ctl_elem_info *uinfo)
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{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 65536;
	uinfo->value.integer.step = 1;
	return 0;
}

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static int snd_hdspm_get_playback_mixer(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
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{
2617
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int channel;
	int mapped_channel;

	channel = ucontrol->id.index - 1;

	snd_assert(channel >= 0
		   || channel < HDSPM_MAX_CHANNELS, return -EINVAL);

	if ((mapped_channel = hdspm->channel_map[channel]) < 0)
		return -EINVAL;

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] =
	    hdspm_read_pb_gain(hdspm, mapped_channel, mapped_channel);
	spin_unlock_irq(&hdspm->lock);

	/*    snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, value %d\n",
	   ucontrol->id.index,        channel, mapped_channel,  ucontrol->value.integer.value[0]); 
	 */

	return 0;
}

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static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
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{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	int change;
	int channel;
	int mapped_channel;
	int gain;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;

	channel = ucontrol->id.index - 1;

	snd_assert(channel >= 0
		   || channel < HDSPM_MAX_CHANNELS, return -EINVAL);

	if ((mapped_channel = hdspm->channel_map[channel]) < 0)
		return -EINVAL;

	gain = ucontrol->value.integer.value[0];

	spin_lock_irq(&hdspm->lock);
	change =
	    gain != hdspm_read_pb_gain(hdspm, mapped_channel,
				       mapped_channel);
	if (change)
		hdspm_write_pb_gain(hdspm, mapped_channel, mapped_channel,
				    gain);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_WC_SYNC_CHECK(xname, xindex) \
2675
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_sync_check, \
  .get = snd_hdspm_get_wc_sync_check \
}

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static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_info *uinfo)
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{
	static char *texts[] = { "No Lock", "Lock", "Sync" };
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

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static int hdspm_wc_sync_check(struct hdspm * hdspm)
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{
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	if (hdspm->is_aes32) {
		int status = hdspm_read(hdspm, HDSPM_statusRegister);
		if (status & HDSPM_AES32_wcLock) {
			/* I don't know how to differenciate sync from lock.
			   Doing as if sync for now */
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			return 2;
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		}
		return 0;
	} else {
		int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
		if (status2 & HDSPM_wcLock) {
			if (status2 & HDSPM_wcSync)
				return 2;
			else
				return 1;
		}
		return 0;
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	}
}

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static int snd_hdspm_get_wc_sync_check(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
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{
2723
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] = hdspm_wc_sync_check(hdspm);
	return 0;
}


#define HDSPM_MADI_SYNC_CHECK(xname, xindex) \
2731
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_sync_check, \
  .get = snd_hdspm_get_madisync_sync_check \
}

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static int hdspm_madisync_sync_check(struct hdspm * hdspm)
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{
	int status = hdspm_read(hdspm, HDSPM_statusRegister);
	if (status & HDSPM_madiLock) {
		if (status & HDSPM_madiSync)
			return 2;
		else
			return 1;
	}
	return 0;
}

2751 2752
static int snd_hdspm_get_madisync_sync_check(struct snd_kcontrol *kcontrol,
					     struct snd_ctl_elem_value *
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					     ucontrol)
{
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	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
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	ucontrol->value.enumerated.item[0] =
	    hdspm_madisync_sync_check(hdspm);
	return 0;
}


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#define HDSPM_AES_SYNC_CHECK(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_sync_check, \
  .get = snd_hdspm_get_aes_sync_check \
}

static int hdspm_aes_sync_check(struct hdspm * hdspm, int idx)
{
	int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
	if (status2 & (HDSPM_LockAES >> idx)) {
		/* I don't know how to differenciate sync from lock.
		   Doing as if sync for now */
		return 2;
	}
	return 0;
}

static int snd_hdspm_get_aes_sync_check(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	int offset;
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	offset = ucontrol->id.index - 1;
	if (offset < 0 || offset >= 8)
		return -EINVAL;

	ucontrol->value.enumerated.item[0] =
		hdspm_aes_sync_check(hdspm, offset);
	return 0;
}
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static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
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	HDSPM_MIXER("Mixer", 0),
/* 'Sample Clock Source' complies with the alsa control naming scheme */
	HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),

	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
/* 'External Rate' complies with the alsa control naming scheme */
	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
	HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
	HDSPM_MADI_SYNC_CHECK("MADI Sync Lock Status", 0),
	HDSPM_LINE_OUT("Line Out", 0),
	HDSPM_TX_64("TX 64 channels mode", 0),
	HDSPM_C_TMS("Clear Track Marker", 0),
	HDSPM_SAFE_MODE("Safe Mode", 0),
	HDSPM_INPUT_SELECT("Input Select", 0),
};

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static struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {

	HDSPM_MIXER("Mixer", 0),
/* 'Sample Clock Source' complies with the alsa control naming scheme */
	HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),

	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
/* 'External Rate' complies with the alsa control naming scheme */
	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
	HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
/*	HDSPM_AES_SYNC_CHECK("AES Lock Status", 0),*/ /* created in snd_hdspm_create_controls() */
	HDSPM_LINE_OUT("Line Out", 0),
	HDSPM_EMPHASIS("Emphasis", 0),
	HDSPM_DOLBY("Non Audio", 0),
	HDSPM_PROFESSIONAL("Professional", 0),
	HDSPM_C_TMS("Clear Track Marker", 0),
	HDSPM_DS_WIRE("Double Speed Wire Mode", 0),
	HDSPM_QS_WIRE("Quad Speed Wire Mode", 0),
};

2843
static struct snd_kcontrol_new snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
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static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm)
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{
	int i;

	for (i = hdspm->ds_channels; i < hdspm->ss_channels; ++i) {
		if (hdspm->system_sample_rate > 48000) {
			hdspm->playback_mixer_ctls[i]->vd[0].access =
			    SNDRV_CTL_ELEM_ACCESS_INACTIVE |
			    SNDRV_CTL_ELEM_ACCESS_READ |
			    SNDRV_CTL_ELEM_ACCESS_VOLATILE;
		} else {
			hdspm->playback_mixer_ctls[i]->vd[0].access =
			    SNDRV_CTL_ELEM_ACCESS_READWRITE |
			    SNDRV_CTL_ELEM_ACCESS_VOLATILE;
		}
		snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
			       SNDRV_CTL_EVENT_MASK_INFO,
			       &hdspm->playback_mixer_ctls[i]->id);
	}

	return 0;
}


2870
static int snd_hdspm_create_controls(struct snd_card *card, struct hdspm * hdspm)
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{
	unsigned int idx, limit;
	int err;
2874
	struct snd_kcontrol *kctl;
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	/* add control list first */
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	if (hdspm->is_aes32) {
		struct snd_kcontrol_new aes_sync_ctl =
			HDSPM_AES_SYNC_CHECK("AES Lock Status", 0);

		for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls_aes32);
		     idx++) {
			err = snd_ctl_add(card,
					  snd_ctl_new1(&snd_hdspm_controls_aes32[idx],
						       hdspm));
			if (err < 0)
				return err;
		}
		for (idx = 1; idx <= 8; idx++) {
			aes_sync_ctl.index = idx;
			err = snd_ctl_add(card,
					  snd_ctl_new1(&aes_sync_ctl, hdspm));
			if (err < 0)
				return err;
		}
	} else {
		for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls_madi);
		     idx++) {
			err = snd_ctl_add(card,
					  snd_ctl_new1(&snd_hdspm_controls_madi[idx],
						       hdspm));
			if (err < 0)
				return err;
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		}
	}

	/* Channel playback mixer as default control 
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Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats too big for any alsamixer
they are accesible via special IOCTL on hwdep
and the mixer 2dimensional mixer control */
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	snd_hdspm_playback_mixer.name = "Chn";
	limit = HDSPM_MAX_CHANNELS;

	/* The index values are one greater than the channel ID so that alsamixer
	   will display them correctly. We want to use the index for fast lookup
	   of the relevant channel, but if we use it at all, most ALSA software
	   does the wrong thing with it ...
	 */

	for (idx = 0; idx < limit; ++idx) {
		snd_hdspm_playback_mixer.index = idx + 1;
		if ((err = snd_ctl_add(card,
				       kctl =
				       snd_ctl_new1
				       (&snd_hdspm_playback_mixer,
					hdspm)))) {
			return err;
		}
		hdspm->playback_mixer_ctls[idx] = kctl;
	}

	return 0;
}

/*------------------------------------------------------------
   /proc interface 
 ------------------------------------------------------------*/

static void
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snd_hdspm_proc_read_madi(struct snd_info_entry * entry,
			 struct snd_info_buffer *buffer)
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{
2944
	struct hdspm *hdspm = (struct hdspm *) entry->private_data;
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	unsigned int status;
	unsigned int status2;
	char *pref_sync_ref;
	char *autosync_ref;
	char *system_clock_mode;
	char *clock_source;
	char *insel;
	char *syncref;
	int x, x2;

	status = hdspm_read(hdspm, HDSPM_statusRegister);
	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);

	snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
		    hdspm->card_name, hdspm->card->number + 1,
		    hdspm->firmware_rev,
		    (status2 & HDSPM_version0) |
		    (status2 & HDSPM_version1) | (status2 &
						  HDSPM_version2));

	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
		    hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);

	snd_iprintf(buffer, "--- System ---\n");

	snd_iprintf(buffer,
		    "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
		    status & HDSPM_audioIRQPending,
		    (status & HDSPM_midi0IRQPending) ? 1 : 0,
		    (status & HDSPM_midi1IRQPending) ? 1 : 0,
		    hdspm->irq_count);
	snd_iprintf(buffer,
		    "HW pointer: id = %d, rawptr = %d (%d->%d) estimated= %ld (bytes)\n",
		    ((status & HDSPM_BufferID) ? 1 : 0),
		    (status & HDSPM_BufferPositionMask),
		    (status & HDSPM_BufferPositionMask) % (2 *
							   (int)hdspm->
							   period_bytes),
		    ((status & HDSPM_BufferPositionMask) -
		     64) % (2 * (int)hdspm->period_bytes),
		    (long) hdspm_hw_pointer(hdspm) * 4);

	snd_iprintf(buffer,
		    "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
		    hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
	snd_iprintf(buffer,
		    "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, status2=0x%x\n",
		    hdspm->control_register, hdspm->control2_register,
		    status, status2);

	snd_iprintf(buffer, "--- Settings ---\n");

	x = 1 << (6 +
		  hdspm_decode_latency(hdspm->
				       control_register &
				       HDSPM_LatencyMask));

	snd_iprintf(buffer,
		    "Size (Latency): %d samples (2 periods of %lu bytes)\n",
		    x, (unsigned long) hdspm->period_bytes);

	snd_iprintf(buffer, "Line out: %s,   Precise Pointer: %s\n",
		    (hdspm->
		     control_register & HDSPM_LineOut) ? "on " : "off",
		    (hdspm->precise_ptr) ? "on" : "off");

	switch (hdspm->control_register & HDSPM_InputMask) {
	case HDSPM_InputOptical:
		insel = "Optical";
		break;
	case HDSPM_InputCoaxial:
		insel = "Coaxial";
		break;
	default:
		insel = "Unkown";
	}

	switch (hdspm->control_register & HDSPM_SyncRefMask) {
	case HDSPM_SyncRef_Word:
		syncref = "WordClock";
		break;
	case HDSPM_SyncRef_MADI:
		syncref = "MADI";
		break;
	default:
		syncref = "Unkown";
	}
	snd_iprintf(buffer, "Inputsel = %s, SyncRef = %s\n", insel,
		    syncref);

	snd_iprintf(buffer,
		    "ClearTrackMarker = %s, Transmit in %s Channel Mode, Auto Input %s\n",
		    (hdspm->
		     control_register & HDSPM_clr_tms) ? "on" : "off",
		    (hdspm->
		     control_register & HDSPM_TX_64ch) ? "64" : "56",
		    (hdspm->
		     control_register & HDSPM_AutoInp) ? "on" : "off");

	switch (hdspm_clock_source(hdspm)) {
	case HDSPM_CLOCK_SOURCE_AUTOSYNC:
		clock_source = "AutoSync";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
		clock_source = "Internal 32 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
		clock_source = "Internal 44.1 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
		clock_source = "Internal 48 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
		clock_source = "Internal 64 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
		clock_source = "Internal 88.2 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
		clock_source = "Internal 96 kHz";
		break;
	default:
		clock_source = "Error";
	}
	snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
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	if (!(hdspm->control_register & HDSPM_ClockModeMaster))
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		system_clock_mode = "Slave";
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	else
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		system_clock_mode = "Master";
	snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);

	switch (hdspm_pref_sync_ref(hdspm)) {
	case HDSPM_SYNC_FROM_WORD:
		pref_sync_ref = "Word Clock";
		break;
	case HDSPM_SYNC_FROM_MADI:
		pref_sync_ref = "MADI Sync";
		break;
	default:
		pref_sync_ref = "XXXX Clock";
		break;
	}
	snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
		    pref_sync_ref);

	snd_iprintf(buffer, "System Clock Frequency: %d\n",
		    hdspm->system_sample_rate);


	snd_iprintf(buffer, "--- Status:\n");

	x = status & HDSPM_madiSync;
	x2 = status2 & HDSPM_wcSync;

	snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
		    (status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
		    "NoLock",
		    (status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
		    "NoLock");

	switch (hdspm_autosync_ref(hdspm)) {
	case HDSPM_AUTOSYNC_FROM_WORD:
		autosync_ref = "Word Clock";
		break;
	case HDSPM_AUTOSYNC_FROM_MADI:
		autosync_ref = "MADI Sync";
		break;
	case HDSPM_AUTOSYNC_FROM_NONE:
		autosync_ref = "Input not valid";
		break;
	default:
		autosync_ref = "---";
		break;
	}
	snd_iprintf(buffer,
		    "AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
		    autosync_ref, hdspm_external_sample_rate(hdspm),
		    (status & HDSPM_madiFreqMask) >> 22,
		    (status2 & HDSPM_wcFreqMask) >> 5);

	snd_iprintf(buffer, "Input: %s, Mode=%s\n",
		    (status & HDSPM_AB_int) ? "Coax" : "Optical",
		    (status & HDSPM_RX_64ch) ? "64 channels" :
		    "56 channels");

	snd_iprintf(buffer, "\n");
}

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static void
snd_hdspm_proc_read_aes32(struct snd_info_entry * entry,
			  struct snd_info_buffer *buffer)
{
	struct hdspm *hdspm = (struct hdspm *) entry->private_data;
	unsigned int status;
	unsigned int status2;
	unsigned int timecode;
	int pref_syncref;
	char *autosync_ref;
	char *system_clock_mode;
	char *clock_source;
	int x;

	status = hdspm_read(hdspm, HDSPM_statusRegister);
	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
	timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);

	snd_iprintf(buffer, "%s (Card #%d) Rev.%x\n",
		    hdspm->card_name, hdspm->card->number + 1,
		    hdspm->firmware_rev);

	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
		    hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);

	snd_iprintf(buffer, "--- System ---\n");

	snd_iprintf(buffer,
		    "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
		    status & HDSPM_audioIRQPending,
		    (status & HDSPM_midi0IRQPending) ? 1 : 0,
		    (status & HDSPM_midi1IRQPending) ? 1 : 0,
		    hdspm->irq_count);
	snd_iprintf(buffer,
		    "HW pointer: id = %d, rawptr = %d (%d->%d) estimated= %ld (bytes)\n",
		    ((status & HDSPM_BufferID) ? 1 : 0),
		    (status & HDSPM_BufferPositionMask),
		    (status & HDSPM_BufferPositionMask) % (2 *
							   (int)hdspm->
							   period_bytes),
		    ((status & HDSPM_BufferPositionMask) -
		     64) % (2 * (int)hdspm->period_bytes),
		    (long) hdspm_hw_pointer(hdspm) * 4);

	snd_iprintf(buffer,
		    "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
		    hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
	snd_iprintf(buffer,
		    "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, status2=0x%x, timecode=0x%x\n",
		    hdspm->control_register, hdspm->control2_register,
		    status, status2, timecode);

	snd_iprintf(buffer, "--- Settings ---\n");

	x = 1 << (6 +
		  hdspm_decode_latency(hdspm->
				       control_register &
				       HDSPM_LatencyMask));

	snd_iprintf(buffer,
		    "Size (Latency): %d samples (2 periods of %lu bytes)\n",
		    x, (unsigned long) hdspm->period_bytes);

	snd_iprintf(buffer, "Line out: %s,   Precise Pointer: %s\n",
		    (hdspm->
		     control_register & HDSPM_LineOut) ? "on " : "off",
		    (hdspm->precise_ptr) ? "on" : "off");

	snd_iprintf(buffer,
		    "ClearTrackMarker %s, Emphasis %s, Dolby %s\n",
		    (hdspm->
		     control_register & HDSPM_clr_tms) ? "on" : "off",
		    (hdspm->
		     control_register & HDSPM_Emphasis) ? "on" : "off",
		    (hdspm->
		     control_register & HDSPM_Dolby) ? "on" : "off");

	switch (hdspm_clock_source(hdspm)) {
	case HDSPM_CLOCK_SOURCE_AUTOSYNC:
		clock_source = "AutoSync";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
		clock_source = "Internal 32 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
		clock_source = "Internal 44.1 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
		clock_source = "Internal 48 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
		clock_source = "Internal 64 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
		clock_source = "Internal 88.2 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
		clock_source = "Internal 96 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
		clock_source = "Internal 128 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
		clock_source = "Internal 176.4 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
		clock_source = "Internal 192 kHz";
		break;
	default:
		clock_source = "Error";
	}
	snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
	if (!(hdspm->control_register & HDSPM_ClockModeMaster))
		system_clock_mode = "Slave";
	else
		system_clock_mode = "Master";
	snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);

	pref_syncref = hdspm_pref_sync_ref(hdspm);
	if (pref_syncref == 0)
		snd_iprintf(buffer, "Preferred Sync Reference: Word Clock\n");
	else
		snd_iprintf(buffer, "Preferred Sync Reference: AES%d\n",
				pref_syncref);

	snd_iprintf(buffer, "System Clock Frequency: %d\n",
		    hdspm->system_sample_rate);

	snd_iprintf(buffer, "Double speed: %s\n",
			hdspm->control_register & HDSPM_DS_DoubleWire?
			"Double wire" : "Single wire");
	snd_iprintf(buffer, "Quad speed: %s\n",
			hdspm->control_register & HDSPM_QS_DoubleWire?
			"Double wire" :
			hdspm->control_register & HDSPM_QS_QuadWire?
			"Quad wire" : "Single wire");

	snd_iprintf(buffer, "--- Status:\n");

	snd_iprintf(buffer, "Word: %s  Frequency: %d\n",
			(status & HDSPM_AES32_wcLock)? "Sync   " : "No Lock",
			HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));

	for (x = 0; x < 8; x++) {
		snd_iprintf(buffer, "AES%d: %s  Frequency: %d\n",
				x+1,
				(status2 & (HDSPM_LockAES >> x))? "Sync   ": "No Lock",
				HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
	}

	switch (hdspm_autosync_ref(hdspm)) {
	case HDSPM_AES32_AUTOSYNC_FROM_NONE: autosync_ref="None"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_WORD: autosync_ref="Word Clock"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES1: autosync_ref="AES1"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES2: autosync_ref="AES2"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES3: autosync_ref="AES3"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES4: autosync_ref="AES4"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES5: autosync_ref="AES5"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES6: autosync_ref="AES6"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES7: autosync_ref="AES7"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES8: autosync_ref="AES8"; break;
	default: autosync_ref = "---"; break;
	}
	snd_iprintf(buffer, "AutoSync ref = %s\n", autosync_ref);

	snd_iprintf(buffer, "\n");
}

#ifdef CONFIG_SND_DEBUG
static void
snd_hdspm_proc_read_debug(struct snd_info_entry * entry,
			  struct snd_info_buffer *buffer)
{
	struct hdspm *hdspm = (struct hdspm *)entry->private_data;

	int j,i;

	for (i = 0; i < 256 /* 1024*64 */; i += j)
	{
		snd_iprintf(buffer, "0x%08X: ", i);
		for (j = 0; j < 16; j += 4)
			snd_iprintf(buffer, "%08X ", hdspm_read(hdspm, i + j));
		snd_iprintf(buffer, "\n");
	}
}
#endif



3328
static void __devinit snd_hdspm_proc_init(struct hdspm * hdspm)
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{
3330
	struct snd_info_entry *entry;
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	if (!snd_card_proc_new(hdspm->card, "hdspm", &entry))
3333
		snd_info_set_text_ops(entry, hdspm,
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				      hdspm->is_aes32 ?
				      snd_hdspm_proc_read_aes32 :
				      snd_hdspm_proc_read_madi);
#ifdef CONFIG_SND_DEBUG
	/* debug file to read all hdspm registers */
	if (!snd_card_proc_new(hdspm->card, "debug", &entry))
		snd_info_set_text_ops(entry, hdspm,
				snd_hdspm_proc_read_debug);
#endif
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}

/*------------------------------------------------------------
   hdspm intitialize 
 ------------------------------------------------------------*/

3349
static int snd_hdspm_set_defaults(struct hdspm * hdspm)
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{
	unsigned int i;

	/* ASSUMPTION: hdspm->lock is either held, or there is no need to
	   hold it (e.g. during module initalization).
	 */

	/* set defaults:       */

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	if (hdspm->is_aes32)
		hdspm->control_register = HDSPM_ClockModeMaster |	/* Master Cloack Mode on */
			hdspm_encode_latency(7) |	/* latency maximum = 8192 samples */
			HDSPM_SyncRef0 |	/* AES1 is syncclock */
			HDSPM_LineOut |	/* Analog output in */
			HDSPM_Professional;  /* Professional mode */
	else
		hdspm->control_register = HDSPM_ClockModeMaster |	/* Master Cloack Mode on */
			hdspm_encode_latency(7) |	/* latency maximum = 8192 samples */
			HDSPM_InputCoaxial |	/* Input Coax not Optical */
			HDSPM_SyncRef_MADI |	/* Madi is syncclock */
			HDSPM_LineOut |	/* Analog output in */
			HDSPM_TX_64ch |	/* transmit in 64ch mode */
			HDSPM_AutoInp;	/* AutoInput chossing (takeover) */
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	/* ! HDSPM_Frequency0|HDSPM_Frequency1 = 44.1khz */
	/* !  HDSPM_DoubleSpeed HDSPM_QuadSpeed = normal speed */
	/* ! HDSPM_clr_tms = do not clear bits in track marks */

	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

#ifdef SNDRV_BIG_ENDIAN
	hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
#else
	hdspm->control2_register = 0;
#endif

	hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
	hdspm_compute_period_size(hdspm);

	/* silence everything */

	all_in_all_mixer(hdspm, 0 * UNITY_GAIN);

	if (line_outs_monitor[hdspm->dev]) {

		snd_printk(KERN_INFO "HDSPM: sending all playback streams to line outs.\n");

		for (i = 0; i < HDSPM_MIXER_CHANNELS; i++) {
			if (hdspm_write_pb_gain(hdspm, i, i, UNITY_GAIN))
				return -EIO;
		}
	}

	/* set a default rate so that the channel map is set up. */
	hdspm->channel_map = channel_map_madi_ss;
	hdspm_set_rate(hdspm, 44100, 1);

	return 0;
}


/*------------------------------------------------------------
   interupt 
 ------------------------------------------------------------*/

3415
static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id)
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{
3417
	struct hdspm *hdspm = (struct hdspm *) dev_id;
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	unsigned int status;
	int audio;
	int midi0;
	int midi1;
	unsigned int midi0status;
	unsigned int midi1status;
	int schedule = 0;

	status = hdspm_read(hdspm, HDSPM_statusRegister);

	audio = status & HDSPM_audioIRQPending;
	midi0 = status & HDSPM_midi0IRQPending;
	midi1 = status & HDSPM_midi1IRQPending;

	if (!audio && !midi0 && !midi1)
		return IRQ_NONE;

	hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
	hdspm->irq_count++;

	midi0status = hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff;
	midi1status = hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff;

	if (audio) {

		if (hdspm->capture_substream)
			snd_pcm_period_elapsed(hdspm->pcm->
					       streams
					       [SNDRV_PCM_STREAM_CAPTURE].
					       substream);

		if (hdspm->playback_substream)
			snd_pcm_period_elapsed(hdspm->pcm->
					       streams
					       [SNDRV_PCM_STREAM_PLAYBACK].
					       substream);
	}

	if (midi0 && midi0status) {
		/* we disable interrupts for this input until processing is done */
		hdspm->control_register &= ~HDSPM_Midi0InterruptEnable;
		hdspm_write(hdspm, HDSPM_controlRegister,
			    hdspm->control_register);
		hdspm->midi[0].pending = 1;
		schedule = 1;
	}
	if (midi1 && midi1status) {
		/* we disable interrupts for this input until processing is done */
		hdspm->control_register &= ~HDSPM_Midi1InterruptEnable;
		hdspm_write(hdspm, HDSPM_controlRegister,
			    hdspm->control_register);
		hdspm->midi[1].pending = 1;
		schedule = 1;
	}
	if (schedule)
		tasklet_hi_schedule(&hdspm->midi_tasklet);
	return IRQ_HANDLED;
}

/*------------------------------------------------------------
   pcm interface 
  ------------------------------------------------------------*/


3482
static snd_pcm_uframes_t snd_hdspm_hw_pointer(struct snd_pcm_substream *
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					      substream)
{
3485
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
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	return hdspm_hw_pointer(hdspm);
}

3489
static char *hdspm_channel_buffer_location(struct hdspm * hdspm,
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					   int stream, int channel)
{
	int mapped_channel;

	snd_assert(channel >= 0
		   || channel < HDSPM_MAX_CHANNELS, return NULL);

	if ((mapped_channel = hdspm->channel_map[channel]) < 0)
		return NULL;

	if (stream == SNDRV_PCM_STREAM_CAPTURE) {
		return hdspm->capture_buffer +
		    mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
	} else {
		return hdspm->playback_buffer +
		    mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
	}
}


/* dont know why need it ??? */
3511
static int snd_hdspm_playback_copy(struct snd_pcm_substream *substream,
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				   int channel, snd_pcm_uframes_t pos,
				   void __user *src, snd_pcm_uframes_t count)
{
3515
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
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	char *channel_buf;

	snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
		   return -EINVAL);

	channel_buf = hdspm_channel_buffer_location(hdspm,
						    substream->pstr->
						    stream, channel);

	snd_assert(channel_buf != NULL, return -EIO);

	return copy_from_user(channel_buf + pos * 4, src, count * 4);
}

3530
static int snd_hdspm_capture_copy(struct snd_pcm_substream *substream,
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				  int channel, snd_pcm_uframes_t pos,
				  void __user *dst, snd_pcm_uframes_t count)
{
3534
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
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	char *channel_buf;

	snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
		   return -EINVAL);

	channel_buf = hdspm_channel_buffer_location(hdspm,
						    substream->pstr->
						    stream, channel);
	snd_assert(channel_buf != NULL, return -EIO);
	return copy_to_user(dst, channel_buf + pos * 4, count * 4);
}

3547
static int snd_hdspm_hw_silence(struct snd_pcm_substream *substream,
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				int channel, snd_pcm_uframes_t pos,
				snd_pcm_uframes_t count)
{
3551
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
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	char *channel_buf;

	channel_buf =
	    hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
					  channel);
	snd_assert(channel_buf != NULL, return -EIO);
	memset(channel_buf + pos * 4, 0, count * 4);
	return 0;
}

3562
static int snd_hdspm_reset(struct snd_pcm_substream *substream)
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{
3564 3565 3566
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_substream *other;
T
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3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		other = hdspm->capture_substream;
	else
		other = hdspm->playback_substream;

	if (hdspm->running)
		runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
	else
		runtime->status->hw_ptr = 0;
	if (other) {
		struct list_head *pos;
3579 3580
		struct snd_pcm_substream *s;
		struct snd_pcm_runtime *oruntime = other->runtime;
T
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3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592
		snd_pcm_group_for_each(pos, substream) {
			s = snd_pcm_group_substream_entry(pos);
			if (s == other) {
				oruntime->status->hw_ptr =
				    runtime->status->hw_ptr;
				break;
			}
		}
	}
	return 0;
}

3593 3594
static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
			       struct snd_pcm_hw_params *params)
T
Takashi Iwai 已提交
3595
{
3596
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
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3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680
	int err;
	int i;
	pid_t this_pid;
	pid_t other_pid;
	struct snd_sg_buf *sgbuf;


	spin_lock_irq(&hdspm->lock);

	if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		this_pid = hdspm->playback_pid;
		other_pid = hdspm->capture_pid;
	} else {
		this_pid = hdspm->capture_pid;
		other_pid = hdspm->playback_pid;
	}

	if ((other_pid > 0) && (this_pid != other_pid)) {

		/* The other stream is open, and not by the same
		   task as this one. Make sure that the parameters
		   that matter are the same.
		 */

		if (params_rate(params) != hdspm->system_sample_rate) {
			spin_unlock_irq(&hdspm->lock);
			_snd_pcm_hw_param_setempty(params,
						   SNDRV_PCM_HW_PARAM_RATE);
			return -EBUSY;
		}

		if (params_period_size(params) != hdspm->period_bytes / 4) {
			spin_unlock_irq(&hdspm->lock);
			_snd_pcm_hw_param_setempty(params,
						   SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
			return -EBUSY;
		}

	}
	/* We're fine. */
	spin_unlock_irq(&hdspm->lock);

	/* how to make sure that the rate matches an externally-set one ?   */

	spin_lock_irq(&hdspm->lock);
	if ((err = hdspm_set_rate(hdspm, params_rate(params), 0)) < 0) {
		spin_unlock_irq(&hdspm->lock);
		_snd_pcm_hw_param_setempty(params,
					   SNDRV_PCM_HW_PARAM_RATE);
		return err;
	}
	spin_unlock_irq(&hdspm->lock);

	if ((err =
	     hdspm_set_interrupt_interval(hdspm,
					  params_period_size(params))) <
	    0) {
		_snd_pcm_hw_param_setempty(params,
					   SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
		return err;
	}

	/* Memory allocation, takashi's method, dont know if we should spinlock  */
	/* malloc all buffer even if not enabled to get sure */
	/* malloc only needed bytes */
	err =
	    snd_pcm_lib_malloc_pages(substream,
				     HDSPM_CHANNEL_BUFFER_BYTES *
				     params_channels(params));
	if (err < 0)
		return err;

	sgbuf = snd_pcm_substream_sgbuf(substream);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferOut,
				params_channels(params));

		for (i = 0; i < params_channels(params); ++i)
			snd_hdspm_enable_out(hdspm, i, 1);

		hdspm->playback_buffer =
		    (unsigned char *) substream->runtime->dma_area;
R
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3681 3682
		snd_printdd("Allocated sample buffer for playback at 0x%08X\n",
				hdspm->playback_buffer);
T
Takashi Iwai 已提交
3683 3684 3685 3686 3687 3688 3689 3690 3691
	} else {
		hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferIn,
				params_channels(params));

		for (i = 0; i < params_channels(params); ++i)
			snd_hdspm_enable_in(hdspm, i, 1);

		hdspm->capture_buffer =
		    (unsigned char *) substream->runtime->dma_area;
R
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3692 3693
		snd_printdd("Allocated sample buffer for capture at 0x%08X\n",
				hdspm->capture_buffer);
T
Takashi Iwai 已提交
3694
	}
R
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3695 3696 3697 3698 3699 3700
	/*
	   snd_printdd("Allocated sample buffer for %s at 0x%08X\n",
	   substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
	   "playback" : "capture",
	   snd_pcm_sgbuf_get_addr(sgbuf, 0));
	 */
T
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3701 3702 3703
	return 0;
}

3704
static int snd_hdspm_hw_free(struct snd_pcm_substream *substream)
T
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3705 3706
{
	int i;
3707
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
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3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		/* params_channels(params) should be enough, 
		   but to get sure in case of error */
		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
			snd_hdspm_enable_out(hdspm, i, 0);

		hdspm->playback_buffer = NULL;
	} else {
		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
			snd_hdspm_enable_in(hdspm, i, 0);

		hdspm->capture_buffer = NULL;

	}

	snd_pcm_lib_free_pages(substream);

	return 0;
}

3730 3731
static int snd_hdspm_channel_info(struct snd_pcm_substream *substream,
				  struct snd_pcm_channel_info * info)
T
Takashi Iwai 已提交
3732
{
3733
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746
	int mapped_channel;

	snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL);

	if ((mapped_channel = hdspm->channel_map[info->channel]) < 0)
		return -EINVAL;

	info->offset = mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
	info->first = 0;
	info->step = 32;
	return 0;
}

3747
static int snd_hdspm_ioctl(struct snd_pcm_substream *substream,
T
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3748 3749 3750 3751 3752 3753 3754 3755 3756 3757
			   unsigned int cmd, void *arg)
{
	switch (cmd) {
	case SNDRV_PCM_IOCTL1_RESET:
		{
			return snd_hdspm_reset(substream);
		}

	case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
		{
3758
			struct snd_pcm_channel_info *info = arg;
T
Takashi Iwai 已提交
3759 3760 3761 3762 3763 3764 3765 3766 3767
			return snd_hdspm_channel_info(substream, info);
		}
	default:
		break;
	}

	return snd_pcm_lib_ioctl(substream, cmd, arg);
}

3768
static int snd_hdspm_trigger(struct snd_pcm_substream *substream, int cmd)
T
Takashi Iwai 已提交
3769
{
3770 3771
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_substream *other;
T
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3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794
	int running;

	spin_lock(&hdspm->lock);
	running = hdspm->running;
	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		running |= 1 << substream->stream;
		break;
	case SNDRV_PCM_TRIGGER_STOP:
		running &= ~(1 << substream->stream);
		break;
	default:
		snd_BUG();
		spin_unlock(&hdspm->lock);
		return -EINVAL;
	}
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		other = hdspm->capture_substream;
	else
		other = hdspm->playback_substream;

	if (other) {
		struct list_head *pos;
3795
		struct snd_pcm_substream *s;
T
Takashi Iwai 已提交
3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832
		snd_pcm_group_for_each(pos, substream) {
			s = snd_pcm_group_substream_entry(pos);
			if (s == other) {
				snd_pcm_trigger_done(s, substream);
				if (cmd == SNDRV_PCM_TRIGGER_START)
					running |= 1 << s->stream;
				else
					running &= ~(1 << s->stream);
				goto _ok;
			}
		}
		if (cmd == SNDRV_PCM_TRIGGER_START) {
			if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK))
			    && substream->stream ==
			    SNDRV_PCM_STREAM_CAPTURE)
				hdspm_silence_playback(hdspm);
		} else {
			if (running &&
			    substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
				hdspm_silence_playback(hdspm);
		}
	} else {
		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
			hdspm_silence_playback(hdspm);
	}
      _ok:
	snd_pcm_trigger_done(substream, substream);
	if (!hdspm->running && running)
		hdspm_start_audio(hdspm);
	else if (hdspm->running && !running)
		hdspm_stop_audio(hdspm);
	hdspm->running = running;
	spin_unlock(&hdspm->lock);

	return 0;
}

3833
static int snd_hdspm_prepare(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3834 3835 3836 3837 3838 3839 3840
{
	return 0;
}

static unsigned int period_sizes[] =
    { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };

3841
static struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
T
Takashi Iwai 已提交
3842 3843 3844 3845 3846 3847 3848 3849 3850
	.info = (SNDRV_PCM_INFO_MMAP |
		 SNDRV_PCM_INFO_MMAP_VALID |
		 SNDRV_PCM_INFO_NONINTERLEAVED |
		 SNDRV_PCM_INFO_SYNC_START | SNDRV_PCM_INFO_DOUBLE),
	.formats = SNDRV_PCM_FMTBIT_S32_LE,
	.rates = (SNDRV_PCM_RATE_32000 |
		  SNDRV_PCM_RATE_44100 |
		  SNDRV_PCM_RATE_48000 |
		  SNDRV_PCM_RATE_64000 |
R
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3851 3852
		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 ),
T
Takashi Iwai 已提交
3853
	.rate_min = 32000,
R
Remy Bruno 已提交
3854
	.rate_max = 192000,
T
Takashi Iwai 已提交
3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865
	.channels_min = 1,
	.channels_max = HDSPM_MAX_CHANNELS,
	.buffer_bytes_max =
	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
	.period_bytes_min = (64 * 4),
	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
	.periods_min = 2,
	.periods_max = 2,
	.fifo_size = 0
};

3866
static struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
T
Takashi Iwai 已提交
3867 3868 3869 3870 3871 3872 3873 3874 3875
	.info = (SNDRV_PCM_INFO_MMAP |
		 SNDRV_PCM_INFO_MMAP_VALID |
		 SNDRV_PCM_INFO_NONINTERLEAVED |
		 SNDRV_PCM_INFO_SYNC_START),
	.formats = SNDRV_PCM_FMTBIT_S32_LE,
	.rates = (SNDRV_PCM_RATE_32000 |
		  SNDRV_PCM_RATE_44100 |
		  SNDRV_PCM_RATE_48000 |
		  SNDRV_PCM_RATE_64000 |
R
Remy Bruno 已提交
3876 3877
		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000),
T
Takashi Iwai 已提交
3878
	.rate_min = 32000,
R
Remy Bruno 已提交
3879
	.rate_max = 192000,
T
Takashi Iwai 已提交
3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890
	.channels_min = 1,
	.channels_max = HDSPM_MAX_CHANNELS,
	.buffer_bytes_max =
	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
	.period_bytes_min = (64 * 4),
	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
	.periods_min = 2,
	.periods_max = 2,
	.fifo_size = 0
};

3891
static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
T
Takashi Iwai 已提交
3892 3893 3894 3895 3896 3897
	.count = ARRAY_SIZE(period_sizes),
	.list = period_sizes,
	.mask = 0
};


3898 3899
static int snd_hdspm_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
					   struct snd_pcm_hw_rule * rule)
T
Takashi Iwai 已提交
3900
{
3901 3902
	struct hdspm *hdspm = rule->private;
	struct snd_interval *c =
T
Takashi Iwai 已提交
3903
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3904
	struct snd_interval *r =
T
Takashi Iwai 已提交
3905 3906 3907
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);

	if (r->min > 48000) {
3908
		struct snd_interval t = {
T
Takashi Iwai 已提交
3909 3910 3911 3912 3913 3914
			.min = 1,
			.max = hdspm->ds_channels,
			.integer = 1,
		};
		return snd_interval_refine(c, &t);
	} else if (r->max < 64000) {
3915
		struct snd_interval t = {
T
Takashi Iwai 已提交
3916 3917 3918 3919 3920 3921 3922 3923 3924
			.min = 1,
			.max = hdspm->ss_channels,
			.integer = 1,
		};
		return snd_interval_refine(c, &t);
	}
	return 0;
}

3925 3926
static int snd_hdspm_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
					   struct snd_pcm_hw_rule * rule)
T
Takashi Iwai 已提交
3927
{
3928 3929
	struct hdspm *hdspm = rule->private;
	struct snd_interval *c =
T
Takashi Iwai 已提交
3930
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3931
	struct snd_interval *r =
T
Takashi Iwai 已提交
3932 3933 3934
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);

	if (c->min <= hdspm->ss_channels) {
3935
		struct snd_interval t = {
T
Takashi Iwai 已提交
3936 3937 3938 3939 3940 3941
			.min = 32000,
			.max = 48000,
			.integer = 1,
		};
		return snd_interval_refine(r, &t);
	} else if (c->max > hdspm->ss_channels) {
3942
		struct snd_interval t = {
T
Takashi Iwai 已提交
3943 3944 3945 3946 3947 3948 3949 3950 3951 3952
			.min = 64000,
			.max = 96000,
			.integer = 1,
		};

		return snd_interval_refine(r, &t);
	}
	return 0;
}

3953
static int snd_hdspm_playback_open(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3954
{
3955 3956
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
T
Takashi Iwai 已提交
3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990

	snd_printdd("Open device substream %d\n", substream->stream);

	spin_lock_irq(&hdspm->lock);

	snd_pcm_set_sync(substream);

	runtime->hw = snd_hdspm_playback_subinfo;

	if (hdspm->capture_substream == NULL)
		hdspm_stop_audio(hdspm);

	hdspm->playback_pid = current->pid;
	hdspm->playback_substream = substream;

	spin_unlock_irq(&hdspm->lock);

	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);

	snd_pcm_hw_constraint_list(runtime, 0,
				   SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
				   &hw_constraints_period_sizes);

	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
			    snd_hdspm_hw_rule_channels_rate, hdspm,
			    SNDRV_PCM_HW_PARAM_RATE, -1);

	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
			    snd_hdspm_hw_rule_rate_channels, hdspm,
			    SNDRV_PCM_HW_PARAM_CHANNELS, -1);

	return 0;
}

3991
static int snd_hdspm_playback_release(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3992
{
3993
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005

	spin_lock_irq(&hdspm->lock);

	hdspm->playback_pid = -1;
	hdspm->playback_substream = NULL;

	spin_unlock_irq(&hdspm->lock);

	return 0;
}


4006
static int snd_hdspm_capture_open(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
4007
{
4008 4009
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
T
Takashi Iwai 已提交
4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037

	spin_lock_irq(&hdspm->lock);
	snd_pcm_set_sync(substream);
	runtime->hw = snd_hdspm_capture_subinfo;

	if (hdspm->playback_substream == NULL)
		hdspm_stop_audio(hdspm);

	hdspm->capture_pid = current->pid;
	hdspm->capture_substream = substream;

	spin_unlock_irq(&hdspm->lock);

	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
	snd_pcm_hw_constraint_list(runtime, 0,
				   SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
				   &hw_constraints_period_sizes);

	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
			    snd_hdspm_hw_rule_channels_rate, hdspm,
			    SNDRV_PCM_HW_PARAM_RATE, -1);

	snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
			    snd_hdspm_hw_rule_rate_channels, hdspm,
			    SNDRV_PCM_HW_PARAM_CHANNELS, -1);
	return 0;
}

4038
static int snd_hdspm_capture_release(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
4039
{
4040
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
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4041 4042 4043 4044 4045 4046 4047 4048 4049 4050

	spin_lock_irq(&hdspm->lock);

	hdspm->capture_pid = -1;
	hdspm->capture_substream = NULL;

	spin_unlock_irq(&hdspm->lock);
	return 0;
}

4051
static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep * hw, struct file *file)
T
Takashi Iwai 已提交
4052 4053 4054 4055 4056 4057
{
	/* we have nothing to initialize but the call is required */
	return 0;
}


4058
static int snd_hdspm_hwdep_ioctl(struct snd_hwdep * hw, struct file *file,
T
Takashi Iwai 已提交
4059 4060
				 unsigned int cmd, unsigned long arg)
{
4061 4062 4063 4064 4065
	struct hdspm *hdspm = (struct hdspm *) hw->private_data;
	struct hdspm_mixer_ioctl mixer;
	struct hdspm_config_info info;
	struct hdspm_version hdspm_version;
	struct hdspm_peak_rms_ioctl rms;
T
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4066 4067 4068 4069 4070 4071 4072 4073 4074 4075

	switch (cmd) {

		
	case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
		if (copy_from_user(&rms, (void __user *)arg, sizeof(rms)))
			return -EFAULT;
		/* maybe there is a chance to memorymap in future so dont touch just copy */
		if(copy_to_user_fromio((void __user *)rms.peak,
				       hdspm->iobase+HDSPM_MADI_peakrmsbase,
4076
				       sizeof(struct hdspm_peak_rms)) != 0 )
T
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4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116
			return -EFAULT;

		break;
		

	case SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO:

		spin_lock_irq(&hdspm->lock);
		info.pref_sync_ref =
		    (unsigned char) hdspm_pref_sync_ref(hdspm);
		info.wordclock_sync_check =
		    (unsigned char) hdspm_wc_sync_check(hdspm);

		info.system_sample_rate = hdspm->system_sample_rate;
		info.autosync_sample_rate =
		    hdspm_external_sample_rate(hdspm);
		info.system_clock_mode =
		    (unsigned char) hdspm_system_clock_mode(hdspm);
		info.clock_source =
		    (unsigned char) hdspm_clock_source(hdspm);
		info.autosync_ref =
		    (unsigned char) hdspm_autosync_ref(hdspm);
		info.line_out = (unsigned char) hdspm_line_out(hdspm);
		info.passthru = 0;
		spin_unlock_irq(&hdspm->lock);
		if (copy_to_user((void __user *) arg, &info, sizeof(info)))
			return -EFAULT;
		break;

	case SNDRV_HDSPM_IOCTL_GET_VERSION:
		hdspm_version.firmware_rev = hdspm->firmware_rev;
		if (copy_to_user((void __user *) arg, &hdspm_version,
				 sizeof(hdspm_version)))
			return -EFAULT;
		break;

	case SNDRV_HDSPM_IOCTL_GET_MIXER:
		if (copy_from_user(&mixer, (void __user *)arg, sizeof(mixer)))
			return -EFAULT;
		if (copy_to_user
4117
		    ((void __user *)mixer.mixer, hdspm->mixer, sizeof(struct hdspm_mixer)))
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			return -EFAULT;
		break;

	default:
		return -EINVAL;
	}
	return 0;
}

4127
static struct snd_pcm_ops snd_hdspm_playback_ops = {
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	.open = snd_hdspm_playback_open,
	.close = snd_hdspm_playback_release,
	.ioctl = snd_hdspm_ioctl,
	.hw_params = snd_hdspm_hw_params,
	.hw_free = snd_hdspm_hw_free,
	.prepare = snd_hdspm_prepare,
	.trigger = snd_hdspm_trigger,
	.pointer = snd_hdspm_hw_pointer,
	.copy = snd_hdspm_playback_copy,
	.silence = snd_hdspm_hw_silence,
	.page = snd_pcm_sgbuf_ops_page,
};

4141
static struct snd_pcm_ops snd_hdspm_capture_ops = {
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	.open = snd_hdspm_capture_open,
	.close = snd_hdspm_capture_release,
	.ioctl = snd_hdspm_ioctl,
	.hw_params = snd_hdspm_hw_params,
	.hw_free = snd_hdspm_hw_free,
	.prepare = snd_hdspm_prepare,
	.trigger = snd_hdspm_trigger,
	.pointer = snd_hdspm_hw_pointer,
	.copy = snd_hdspm_capture_copy,
	.page = snd_pcm_sgbuf_ops_page,
};

4154 4155
static int __devinit snd_hdspm_create_hwdep(struct snd_card *card,
					    struct hdspm * hdspm)
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{
4157
	struct snd_hwdep *hw;
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	int err;

	if ((err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw)) < 0)
		return err;

	hdspm->hwdep = hw;
	hw->private_data = hdspm;
	strcpy(hw->name, "HDSPM hwdep interface");

	hw->ops.open = snd_hdspm_hwdep_dummy_op;
	hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
	hw->ops.release = snd_hdspm_hwdep_dummy_op;

	return 0;
}


/*------------------------------------------------------------
   memory interface 
 ------------------------------------------------------------*/
4178
static int __devinit snd_hdspm_preallocate_memory(struct hdspm * hdspm)
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{
	int err;
4181
	struct snd_pcm *pcm;
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	size_t wanted;

	pcm = hdspm->pcm;

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/*	wanted = HDSPM_DMA_AREA_BYTES + 4096;*/	/* dont know why, but it works */
	wanted = HDSPM_DMA_AREA_BYTES;
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	if ((err =
	     snd_pcm_lib_preallocate_pages_for_all(pcm,
	     					   SNDRV_DMA_TYPE_DEV_SG,
						   snd_dma_pci_data(hdspm->pci),
						   wanted,
						   wanted)) < 0) {
4195
		snd_printdd("Could not preallocate %zd Bytes\n", wanted);
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		return err;
	} else
4199
		snd_printdd(" Preallocated %zd Bytes\n", wanted);
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	return 0;
}

4204
static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
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			     unsigned int reg, int channels)
{
	int i;
	for (i = 0; i < (channels * 16); i++)
		hdspm_write(hdspm, reg + 4 * i,
			    snd_pcm_sgbuf_get_addr(sgbuf,
						   (size_t) 4096 * i));
}

/* ------------- ALSA Devices ---------------------------- */
4215 4216
static int __devinit snd_hdspm_create_pcm(struct snd_card *card,
					  struct hdspm * hdspm)
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{
4218
	struct snd_pcm *pcm;
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	int err;

	if ((err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm)) < 0)
		return err;

	hdspm->pcm = pcm;
	pcm->private_data = hdspm;
	strcpy(pcm->name, hdspm->card_name);

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_hdspm_playback_ops);
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
			&snd_hdspm_capture_ops);

	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;

	if ((err = snd_hdspm_preallocate_memory(hdspm)) < 0)
		return err;

	return 0;
}

4241
static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm)
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{
	snd_hdspm_flush_midi_input(hdspm, 0);
	snd_hdspm_flush_midi_input(hdspm, 1);
}

4247 4248
static int __devinit snd_hdspm_create_alsa_devices(struct snd_card *card,
						   struct hdspm * hdspm)
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{
	int err;

	snd_printdd("Create card...\n");
	if ((err = snd_hdspm_create_pcm(card, hdspm)) < 0)
		return err;

	if ((err = snd_hdspm_create_midi(card, hdspm, 0)) < 0)
		return err;

	if ((err = snd_hdspm_create_midi(card, hdspm, 1)) < 0)
		return err;

	if ((err = snd_hdspm_create_controls(card, hdspm)) < 0)
		return err;

	if ((err = snd_hdspm_create_hwdep(card, hdspm)) < 0)
		return err;

	snd_printdd("proc init...\n");
	snd_hdspm_proc_init(hdspm);

	hdspm->system_sample_rate = -1;
	hdspm->last_external_sample_rate = -1;
	hdspm->last_internal_sample_rate = -1;
	hdspm->playback_pid = -1;
	hdspm->capture_pid = -1;
	hdspm->capture_substream = NULL;
	hdspm->playback_substream = NULL;

	snd_printdd("Set defaults...\n");
	if ((err = snd_hdspm_set_defaults(hdspm)) < 0)
		return err;

	snd_printdd("Update mixer controls...\n");
	hdspm_update_simple_mixer_controls(hdspm);

	snd_printdd("Initializeing complete ???\n");

	if ((err = snd_card_register(card)) < 0) {
		snd_printk(KERN_ERR "HDSPM: error registering card\n");
		return err;
	}

	snd_printdd("... yes now\n");

	return 0;
}

4298
static int __devinit snd_hdspm_create(struct snd_card *card, struct hdspm * hdspm,
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				      int precise_ptr, int enable_monitor)
{
	struct pci_dev *pci = hdspm->pci;
	int err;
	int i;

	unsigned long io_extent;

	hdspm->irq = -1;
	hdspm->irq_count = 0;

	hdspm->midi[0].rmidi = NULL;
	hdspm->midi[1].rmidi = NULL;
	hdspm->midi[0].input = NULL;
	hdspm->midi[1].input = NULL;
	hdspm->midi[0].output = NULL;
	hdspm->midi[1].output = NULL;
	spin_lock_init(&hdspm->midi[0].lock);
	spin_lock_init(&hdspm->midi[1].lock);
	hdspm->iobase = NULL;
	hdspm->control_register = 0;
	hdspm->control2_register = 0;

	hdspm->playback_buffer = NULL;
	hdspm->capture_buffer = NULL;

	for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
		hdspm->playback_mixer_ctls[i] = NULL;
	hdspm->mixer = NULL;

	hdspm->card = card;

	spin_lock_init(&hdspm->lock);

	tasklet_init(&hdspm->midi_tasklet,
		     hdspm_midi_tasklet, (unsigned long) hdspm);

	pci_read_config_word(hdspm->pci,
			     PCI_CLASS_REVISION, &hdspm->firmware_rev);

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	hdspm->is_aes32 = (hdspm->firmware_rev >= HDSPM_AESREVISION);

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	strcpy(card->mixername, "Xilinx FPGA");
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	if (hdspm->is_aes32) {
		strcpy(card->driver, "HDSPAES32");
		hdspm->card_name = "RME HDSPM AES32";
	} else {
		strcpy(card->driver, "HDSPM");
		hdspm->card_name = "RME HDSPM MADI";
	}
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	if ((err = pci_enable_device(pci)) < 0)
		return err;

	pci_set_master(hdspm->pci);

	if ((err = pci_request_regions(pci, "hdspm")) < 0)
		return err;

	hdspm->port = pci_resource_start(pci, 0);
	io_extent = pci_resource_len(pci, 0);

	snd_printdd("grabbed memory region 0x%lx-0x%lx\n",
		   hdspm->port, hdspm->port + io_extent - 1);


	if ((hdspm->iobase = ioremap_nocache(hdspm->port, io_extent)) == NULL) {
		snd_printk(KERN_ERR "HDSPM: unable to remap region 0x%lx-0x%lx\n",
			   hdspm->port, hdspm->port + io_extent - 1);
		return -EBUSY;
	}
	snd_printdd("remapped region (0x%lx) 0x%lx-0x%lx\n",
		   (unsigned long)hdspm->iobase, hdspm->port,
		   hdspm->port + io_extent - 1);

	if (request_irq(pci->irq, snd_hdspm_interrupt,
4375
			IRQF_SHARED, "hdspm", hdspm)) {
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		snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
		return -EBUSY;
	}

	snd_printdd("use IRQ %d\n", pci->irq);

	hdspm->irq = pci->irq;
	hdspm->precise_ptr = precise_ptr;

	hdspm->monitor_outs = enable_monitor;

4387
	snd_printdd("kmalloc Mixer memory of %zd Bytes\n",
4388 4389
		   sizeof(struct hdspm_mixer));
	if ((hdspm->mixer = kmalloc(sizeof(struct hdspm_mixer), GFP_KERNEL))
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	    == NULL) {
		snd_printk(KERN_ERR "HDSPM: unable to kmalloc Mixer memory of %d Bytes\n",
4392
			   (int)sizeof(struct hdspm_mixer));
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		return err;
	}

	hdspm->ss_channels = MADI_SS_CHANNELS;
	hdspm->ds_channels = MADI_DS_CHANNELS;
	hdspm->qs_channels = MADI_QS_CHANNELS;

	snd_printdd("create alsa devices.\n");
	if ((err = snd_hdspm_create_alsa_devices(card, hdspm)) < 0)
		return err;

	snd_hdspm_initialize_midi_flush(hdspm);

	return 0;
}

4409
static int snd_hdspm_free(struct hdspm * hdspm)
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{

	if (hdspm->port) {

		/* stop th audio, and cancel all interrupts */
		hdspm->control_register &=
		    ~(HDSPM_Start | HDSPM_AudioInterruptEnable
		      | HDSPM_Midi0InterruptEnable |
		      HDSPM_Midi1InterruptEnable);
		hdspm_write(hdspm, HDSPM_controlRegister,
			    hdspm->control_register);
	}

	if (hdspm->irq >= 0)
		free_irq(hdspm->irq, (void *) hdspm);


4427
	kfree(hdspm->mixer);
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	if (hdspm->iobase)
		iounmap(hdspm->iobase);

	if (hdspm->port)
		pci_release_regions(hdspm->pci);

	pci_disable_device(hdspm->pci);
	return 0;
}

4439
static void snd_hdspm_card_free(struct snd_card *card)
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4440
{
4441
	struct hdspm *hdspm = (struct hdspm *) card->private_data;
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	if (hdspm)
		snd_hdspm_free(hdspm);
}

static int __devinit snd_hdspm_probe(struct pci_dev *pci,
				     const struct pci_device_id *pci_id)
{
	static int dev;
4451 4452
	struct hdspm *hdspm;
	struct snd_card *card;
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	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;
	if (!enable[dev]) {
		dev++;
		return -ENOENT;
	}

	if (!(card = snd_card_new(index[dev], id[dev],
4463
				  THIS_MODULE, sizeof(struct hdspm))))
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		return -ENOMEM;

4466
	hdspm = (struct hdspm *) card->private_data;
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	card->private_free = snd_hdspm_card_free;
	hdspm->dev = dev;
	hdspm->pci = pci;

	if ((err =
	     snd_hdspm_create(card, hdspm, precise_ptr[dev],
			      enable_monitor[dev])) < 0) {
		snd_card_free(card);
		return err;
	}

	strcpy(card->shortname, "HDSPM MADI");
	sprintf(card->longname, "%s at 0x%lx, irq %d", hdspm->card_name,
		hdspm->port, hdspm->irq);

	if ((err = snd_card_register(card)) < 0) {
		snd_card_free(card);
		return err;
	}

	pci_set_drvdata(pci, card);

	dev++;
	return 0;
}

static void __devexit snd_hdspm_remove(struct pci_dev *pci)
{
	snd_card_free(pci_get_drvdata(pci));
	pci_set_drvdata(pci, NULL);
}

static struct pci_driver driver = {
	.name = "RME Hammerfall DSP MADI",
	.id_table = snd_hdspm_ids,
	.probe = snd_hdspm_probe,
	.remove = __devexit_p(snd_hdspm_remove),
};


static int __init alsa_card_hdspm_init(void)
{
	return pci_register_driver(&driver);
}

static void __exit alsa_card_hdspm_exit(void)
{
	pci_unregister_driver(&driver);
}

module_init(alsa_card_hdspm_init)
module_exit(alsa_card_hdspm_exit)