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emu10k1.h

#ifndef __SOUND_EMU10K1_H
#define __SOUND_EMU10K1_H

/*
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>,
 *               Creative Labs, Inc.
 *  Definitions for EMU10K1 (SB Live!) chips
 *
 *
 *   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
 *
 */

#ifdef __KERNEL__

#include <sound/pcm.h>
#include <sound/rawmidi.h>
#include <sound/hwdep.h>
#include <sound/ac97_codec.h>
#include <sound/util_mem.h>
#include <sound/pcm-indirect.h>
#include <sound/timer.h>
#include <linux/interrupt.h>
#include <asm/io.h>

#ifndef PCI_VENDOR_ID_CREATIVE
#define PCI_VENDOR_ID_CREATIVE            0x1102
#endif
#ifndef PCI_DEVICE_ID_CREATIVE_EMU10K1
#define PCI_DEVICE_ID_CREATIVE_EMU10K1    0x0002
#endif

/* ------------------- DEFINES -------------------- */

#define EMUPAGESIZE     4096
#define MAXREQVOICES    8
#define MAXPAGES        8192
#define RESERVED        0
#define NUM_MIDI        16
#define NUM_G           64              /* use all channels */
#define NUM_FXSENDS     4

#define EMU10K1_DMA_MASK      0x7fffffffUL      /* 31bit */
#define AUDIGY_DMA_MASK       0xffffffffUL      /* 32bit */

#define TMEMSIZE        256*1024
#define TMEMSIZEREG     4

#define IP_TO_CP(ip) ((ip == 0) ? 0 : (((0x00001000uL | (ip & 0x00000FFFL)) << (((ip >> 12) & 0x000FL) + 4)) & 0xFFFF0000uL))

// Audigy specify registers are prefixed with 'A_'

/************************************************************************************************/
/* PCI function 0 registers, address = <val> + PCIBASE0                                   */
/************************************************************************************************/

#define PTR             0x00        /* Indexed register set pointer register  */
                                    /* NOTE: The CHANNELNUM and ADDRESS words can   */
                                    /* be modified independently of each other.     */
#define PTR_CHANNELNUM_MASK   0x0000003f  /* For each per-channel register, indicates the */
                                    /* channel number of the register to be         */
                                    /* accessed.  For non per-channel registers the */
                                    /* value should be set to zero.                 */
#define PTR_ADDRESS_MASK      0x07ff0000  /* Register index                   */
#define A_PTR_ADDRESS_MASK    0x0fff0000

#define DATA                  0x04        /* Indexed register set data register           */

#define IPR             0x08        /* Global interrupt pending register            */
                                    /* Clear pending interrupts by writing a 1 to   */
                                    /* the relevant bits and zero to the other bits */

/* The next two interrupts are for the midi port on the Audigy Drive (A_MPU1)             */
#define IPR_A_MIDITRANSBUFEMPTY2 0x10000000     /* MIDI UART transmit buffer empty        */
#define IPR_A_MIDIRECVBUFEMPTY2     0x08000000  /* MIDI UART receive buffer empty         */

#define IPR_SAMPLERATETRACKER 0x01000000  /* Sample rate tracker lock status change */
#define IPR_FXDSP       0x00800000  /* Enable FX DSP interrupts               */
#define IPR_FORCEINT          0x00400000  /* Force Sound Blaster interrupt          */
#define IPR_PCIERROR          0x00200000  /* PCI bus error                    */
#define IPR_VOLINCR           0x00100000  /* Volume increment button pressed        */
#define IPR_VOLDECR           0x00080000  /* Volume decrement button pressed        */
#define IPR_MUTE        0x00040000  /* Mute button pressed                    */
#define IPR_MICBUFFULL        0x00020000  /* Microphone buffer full                 */
#define IPR_MICBUFHALFFULL    0x00010000  /* Microphone buffer half full                  */
#define IPR_ADCBUFFULL        0x00008000  /* ADC buffer full                        */
#define IPR_ADCBUFHALFFULL    0x00004000  /* ADC buffer half full                   */
#define IPR_EFXBUFFULL        0x00002000  /* Effects buffer full                    */
#define IPR_EFXBUFHALFFULL    0x00001000  /* Effects buffer half full               */
#define IPR_GPSPDIFSTATUSCHANGE     0x00000800  /* GPSPDIF channel status change          */
#define IPR_CDROMSTATUSCHANGE 0x00000400  /* CD-ROM channel status change                 */
#define IPR_INTERVALTIMER     0x00000200  /* Interval timer terminal count          */
#define IPR_MIDITRANSBUFEMPTY 0x00000100  /* MIDI UART transmit buffer empty        */
#define IPR_MIDIRECVBUFEMPTY  0x00000080  /* MIDI UART receive buffer empty         */
#define IPR_CHANNELLOOP       0x00000040  /* One or more channel loop interrupts pending  */
#define IPR_CHANNELNUMBERMASK 0x0000003f  /* When IPR_CHANNELLOOP is set, indicates the   */
                                    /* Highest set channel in CLIPL or CLIPH.  When */
                                    /* IP is written with CL set, the bit in CLIPL  */
                                    /* or CLIPH corresponding to the CIN value      */
                                    /* written will be cleared.               */

#define INTE                  0x0c        /* Interrupt enable register              */
#define INTE_VIRTUALSB_MASK   0xc0000000  /* Virtual Soundblaster I/O port capture  */
#define INTE_VIRTUALSB_220    0x00000000  /* Capture at I/O base address 0x220-0x22f      */
#define INTE_VIRTUALSB_240    0x40000000  /* Capture at I/O base address 0x240            */
#define INTE_VIRTUALSB_260    0x80000000  /* Capture at I/O base address 0x260            */
#define INTE_VIRTUALSB_280    0xc0000000  /* Capture at I/O base address 0x280            */
#define INTE_VIRTUALMPU_MASK  0x30000000  /* Virtual MPU I/O port capture                 */
#define INTE_VIRTUALMPU_300   0x00000000  /* Capture at I/O base address 0x300-0x301      */
#define INTE_VIRTUALMPU_310   0x10000000  /* Capture at I/O base address 0x310            */
#define INTE_VIRTUALMPU_320   0x20000000  /* Capture at I/O base address 0x320            */
#define INTE_VIRTUALMPU_330   0x30000000  /* Capture at I/O base address 0x330            */
#define INTE_MASTERDMAENABLE  0x08000000  /* Master DMA emulation at 0x000-0x00f          */
#define INTE_SLAVEDMAENABLE   0x04000000  /* Slave DMA emulation at 0x0c0-0x0df           */
#define INTE_MASTERPICENABLE  0x02000000  /* Master PIC emulation at 0x020-0x021          */
#define INTE_SLAVEPICENABLE   0x01000000  /* Slave PIC emulation at 0x0a0-0x0a1           */
#define INTE_VSBENABLE        0x00800000  /* Enable virtual Soundblaster                  */
#define INTE_ADLIBENABLE      0x00400000  /* Enable AdLib emulation at 0x388-0x38b  */
#define INTE_MPUENABLE        0x00200000  /* Enable virtual MPU                     */
#define INTE_FORCEINT         0x00100000  /* Continuously assert INTAN              */

#define INTE_MRHANDENABLE     0x00080000  /* Enable the "Mr. Hand" logic                  */
                                    /* NOTE: There is no reason to use this under   */
                                    /* Linux, and it will cause odd hardware  */
                                    /* behavior and possibly random segfaults and   */
                                    /* lockups if enabled.                    */

/* The next two interrupts are for the midi port on the Audigy Drive (A_MPU1)             */
#define INTE_A_MIDITXENABLE2  0x00020000  /* Enable MIDI transmit-buffer-empty interrupts */
#define INTE_A_MIDIRXENABLE2  0x00010000  /* Enable MIDI receive-buffer-empty interrupts  */


#define INTE_SAMPLERATETRACKER      0x00002000  /* Enable sample rate tracker interrupts  */
                                    /* NOTE: This bit must always be enabled        */
#define INTE_FXDSPENABLE      0x00001000  /* Enable FX DSP interrupts               */
#define INTE_PCIERRORENABLE   0x00000800  /* Enable PCI bus error interrupts        */
#define INTE_VOLINCRENABLE    0x00000400  /* Enable volume increment button interrupts    */
#define INTE_VOLDECRENABLE    0x00000200  /* Enable volume decrement button interrupts    */
#define INTE_MUTEENABLE       0x00000100  /* Enable mute button interrupts          */
#define INTE_MICBUFENABLE     0x00000080  /* Enable microphone buffer interrupts          */
#define INTE_ADCBUFENABLE     0x00000040  /* Enable ADC buffer interrupts                 */
#define INTE_EFXBUFENABLE     0x00000020  /* Enable Effects buffer interrupts       */
#define INTE_GPSPDIFENABLE    0x00000010  /* Enable GPSPDIF status interrupts       */
#define INTE_CDSPDIFENABLE    0x00000008  /* Enable CDSPDIF status interrupts       */
#define INTE_INTERVALTIMERENB 0x00000004  /* Enable interval timer interrupts       */
#define INTE_MIDITXENABLE     0x00000002  /* Enable MIDI transmit-buffer-empty interrupts */
#define INTE_MIDIRXENABLE     0x00000001  /* Enable MIDI receive-buffer-empty interrupts  */

#define WC              0x10        /* Wall Clock register                    */
#define WC_SAMPLECOUNTER_MASK 0x03FFFFC0  /* Sample periods elapsed since reset           */
#define WC_SAMPLECOUNTER      0x14060010
#define WC_CURRENTCHANNEL     0x0000003F  /* Channel [0..63] currently being serviced     */
                                    /* NOTE: Each channel takes 1/64th of a sample  */
                                    /* period to be serviced.                 */

#define HCFG                  0x14        /* Hardware config register               */
                                    /* NOTE: There is no reason to use the legacy   */
                                    /* SoundBlaster emulation stuff described below */
                                    /* under Linux, and all kinds of weird hardware */
                                    /* behavior can result if you try.  Don't.      */
#define HCFG_LEGACYFUNC_MASK  0xe0000000  /* Legacy function number                 */
#define HCFG_LEGACYFUNC_MPU   0x00000000  /* Legacy MPU                             */
#define HCFG_LEGACYFUNC_SB    0x40000000  /* Legacy SB                              */
#define HCFG_LEGACYFUNC_AD    0x60000000  /* Legacy AD                              */
#define HCFG_LEGACYFUNC_MPIC  0x80000000  /* Legacy MPIC                            */
#define HCFG_LEGACYFUNC_MDMA  0xa0000000  /* Legacy MDMA                            */
#define HCFG_LEGACYFUNC_SPCI  0xc0000000  /* Legacy SPCI                            */
#define HCFG_LEGACYFUNC_SDMA  0xe0000000  /* Legacy SDMA                            */
#define HCFG_IOCAPTUREADDR    0x1f000000  /* The 4 LSBs of the captured I/O address.      */
#define HCFG_LEGACYWRITE      0x00800000  /* 1 = write, 0 = read                    */
#define HCFG_LEGACYWORD       0x00400000  /* 1 = word, 0 = byte                     */
#define HCFG_LEGACYINT        0x00200000  /* 1 = legacy event captured. Write 1 to clear. */
                                    /* NOTE: The rest of the bits in this register  */
                                    /* _are_ relevant under Linux.                  */
#define HCFG_CODECFORMAT_MASK 0x00070000  /* CODEC format                           */
#define HCFG_CODECFORMAT_AC97 0x00000000  /* AC97 CODEC format -- Primary Output          */
#define HCFG_CODECFORMAT_I2S  0x00010000  /* I2S CODEC format -- Secondary (Rear) Output  */
#define HCFG_GPINPUT0         0x00004000  /* External pin112                        */
#define HCFG_GPINPUT1         0x00002000  /* External pin110                        */
#define HCFG_GPOUTPUT_MASK    0x00001c00  /* External pins which may be controlled  */
#define HCFG_GPOUT0           0x00001000  /* External pin? (spdif enable on 5.1)          */
#define HCFG_GPOUT1           0x00000800  /* External pin? (IR)                     */
#define HCFG_GPOUT2           0x00000400  /* External pin? (IR)                     */
#define HCFG_JOYENABLE        0x00000200  /* Internal joystick enable                     */
#define HCFG_PHASETRACKENABLE 0x00000100  /* Phase tracking enable                  */
                                    /* 1 = Force all 3 async digital inputs to use  */
                                    /* the same async sample rate tracker (ZVIDEO)  */
#define HCFG_AC3ENABLE_MASK   0x000000e0  /* AC3 async input control - Not implemented    */
#define HCFG_AC3ENABLE_ZVIDEO 0x00000080  /* Channels 0 and 1 replace ZVIDEO        */
#define HCFG_AC3ENABLE_CDSPDIF      0x00000040  /* Channels 0 and 1 replace CDSPDIF       */
#define HCFG_AC3ENABLE_GPSPDIF  0x00000020      /* Channels 0 and 1 replace GPSPDIF             */
#define HCFG_AUTOMUTE         0x00000010  /* When set, the async sample rate convertors   */
                                    /* will automatically mute their output when    */
                                    /* they are not rate-locked to the external     */
                                    /* async audio source                     */
#define HCFG_LOCKSOUNDCACHE   0x00000008  /* 1 = Cancel bustmaster accesses to soundcache */
                                    /* NOTE: This should generally never be used.   */
#define HCFG_LOCKTANKCACHE_MASK     0x00000004  /* 1 = Cancel bustmaster accesses to tankcache  */
                                    /* NOTE: This should generally never be used.   */
#define HCFG_LOCKTANKCACHE    0x01020014
#define HCFG_MUTEBUTTONENABLE 0x00000002  /* 1 = Master mute button sets AUDIOENABLE = 0. */
                                    /* NOTE: This is a 'cheap' way to implement a   */
                                    /* master mute function on the mute button, and */
                                    /* in general should not be used unless a more  */
                                    /* sophisticated master mute function has not   */
                                    /* been written.                          */
#define HCFG_AUDIOENABLE      0x00000001  /* 0 = CODECs transmit zero-valued samples      */
                                    /* Should be set to 1 when the EMU10K1 is */
                                    /* completely initialized.                */

//For Audigy, MPU port move to 0x70-0x74 ptr register

#define MUDATA                0x18        /* MPU401 data register (8 bits)                */

#define MUCMD                 0x19        /* MPU401 command register (8 bits)             */
#define MUCMD_RESET           0xff        /* RESET command                    */
#define MUCMD_ENTERUARTMODE   0x3f        /* Enter_UART_mode command                */
                                    /* NOTE: All other commands are ignored         */

#define MUSTAT                MUCMD       /* MPU401 status register (8 bits)              */
#define MUSTAT_IRDYN          0x80        /* 0 = MIDI data or command ACK                 */
#define MUSTAT_ORDYN          0x40        /* 0 = MUDATA can accept a command or data      */

#define A_IOCFG               0x18        /* GPIO on Audigy card (16bits)                 */
#define A_GPINPUT_MASK        0xff00
#define A_GPOUTPUT_MASK       0x00ff
#define A_IOCFG_GPOUT0        0x0044            /* analog/digital? */
#define A_IOCFG_GPOUT1        0x0002            /* IR */
#define A_IOCFG_GPOUT2        0x0001            /* IR */

#define TIMER                 0x1a        /* Timer terminal count register          */
                                    /* NOTE: After the rate is changed, a maximum   */
                                    /* of 1024 sample periods should be allowed     */
                                    /* before the new rate is guaranteed accurate.  */
#define TIMER_RATE_MASK       0x000003ff  /* Timer interrupt rate in sample periods */
                                    /* 0 == 1024 periods, [1..4] are not useful     */
#define TIMER_RATE            0x0a00001a

#define AC97DATA        0x1c        /* AC97 register set data register (16 bit)     */

#define AC97ADDRESS           0x1e        /* AC97 register set address register (8 bit)   */
#define AC97ADDRESS_READY     0x80        /* Read-only bit, reflects CODEC READY signal   */
#define AC97ADDRESS_ADDRESS   0x7f        /* Address of indexed AC97 register       */

/************************************************************************************************/
/* PCI function 1 registers, address = <val> + PCIBASE1                                   */
/************************************************************************************************/

#define JOYSTICK1       0x00        /* Analog joystick port register          */
#define JOYSTICK2       0x01        /* Analog joystick port register          */
#define JOYSTICK3       0x02        /* Analog joystick port register          */
#define JOYSTICK4       0x03        /* Analog joystick port register          */
#define JOYSTICK5       0x04        /* Analog joystick port register          */
#define JOYSTICK6       0x05        /* Analog joystick port register          */
#define JOYSTICK7       0x06        /* Analog joystick port register          */
#define JOYSTICK8       0x07        /* Analog joystick port register          */

/* When writing, any write causes JOYSTICK_COMPARATOR output enable to be pulsed on write.      */
/* When reading, use these bitfields: */
#define JOYSTICK_BUTTONS      0x0f        /* Joystick button data                   */
#define JOYSTICK_COMPARATOR   0xf0        /* Joystick comparator data               */


/********************************************************************************************************/
/* Emu10k1 pointer-offset register set, accessed through the PTR and DATA registers             */
/********************************************************************************************************/

#define CPF             0x00        /* Current pitch and fraction register                */
#define CPF_CURRENTPITCH_MASK 0xffff0000  /* Current pitch (linear, 0x4000 == unity pitch shift)      */
#define CPF_CURRENTPITCH      0x10100000
#define CPF_STEREO_MASK       0x00008000  /* 1 = Even channel interleave, odd channel locked    */
#define CPF_STOP_MASK         0x00004000  /* 1 = Current pitch forced to 0                */
#define CPF_FRACADDRESS_MASK  0x00003fff  /* Linear fractional address of the current channel   */

#define PTRX                  0x01        /* Pitch target and send A/B amounts register         */
#define PTRX_PITCHTARGET_MASK 0xffff0000  /* Pitch target of specified channel                  */
#define PTRX_PITCHTARGET      0x10100001
#define PTRX_FXSENDAMOUNT_A_MASK 0x0000ff00     /* Linear level of channel output sent to FX send bus A     */
#define PTRX_FXSENDAMOUNT_A   0x08080001
#define PTRX_FXSENDAMOUNT_B_MASK 0x000000ff     /* Linear level of channel output sent to FX send bus B     */
#define PTRX_FXSENDAMOUNT_B   0x08000001

#define CVCF                  0x02        /* Current volume and filter cutoff register          */
#define CVCF_CURRENTVOL_MASK  0xffff0000  /* Current linear volume of specified channel         */
#define CVCF_CURRENTVOL       0x10100002
#define CVCF_CURRENTFILTER_MASK     0x0000ffff  /* Current filter cutoff frequency of specified channel     */
#define CVCF_CURRENTFILTER    0x10000002

#define VTFT                  0x03        /* Volume target and filter cutoff target register    */
#define VTFT_VOLUMETARGET_MASK      0xffff0000  /* Volume target of specified channel                 */
#define VTFT_VOLUMETARGET     0x10100003
#define VTFT_FILTERTARGET_MASK      0x0000ffff  /* Filter cutoff target of specified channel          */
#define VTFT_FILTERTARGET     0x10000003

#define Z1              0x05        /* Filter delay memory 1 register               */

#define Z2              0x04        /* Filter delay memory 2 register               */

#define PSST                  0x06        /* Send C amount and loop start address register      */
#define PSST_FXSENDAMOUNT_C_MASK 0xff000000     /* Linear level of channel output sent to FX send bus C     */

#define PSST_FXSENDAMOUNT_C   0x08180006

#define PSST_LOOPSTARTADDR_MASK     0x00ffffff  /* Loop start address of the specified channel        */
#define PSST_LOOPSTARTADDR    0x18000006

#define DSL             0x07        /* Send D amount and loop start address register      */
#define DSL_FXSENDAMOUNT_D_MASK     0xff000000  /* Linear level of channel output sent to FX send bus D     */

#define DSL_FXSENDAMOUNT_D    0x08180007

#define DSL_LOOPENDADDR_MASK  0x00ffffff  /* Loop end address of the specified channel          */
#define DSL_LOOPENDADDR       0x18000007

#define CCCA                  0x08        /* Filter Q, interp. ROM, byte size, cur. addr register */
#define CCCA_RESONANCE        0xf0000000  /* Lowpass filter resonance (Q) height                */
#define CCCA_INTERPROMMASK    0x0e000000  /* Selects passband of interpolation ROM        */
                                    /* 1 == full band, 7 == lowpass                       */
                                    /* ROM 0 is used when pitch shifting downward or less */
                                    /* then 3 semitones upward.  Increasingly higher ROM  */
                                    /* numbers are used, typically in steps of 3 semitones,     */
                                    /* as upward pitch shifting is performed.       */
#define CCCA_INTERPROM_0      0x00000000  /* Select interpolation ROM 0                   */
#define CCCA_INTERPROM_1      0x02000000  /* Select interpolation ROM 1                   */
#define CCCA_INTERPROM_2      0x04000000  /* Select interpolation ROM 2                   */
#define CCCA_INTERPROM_3      0x06000000  /* Select interpolation ROM 3                   */
#define CCCA_INTERPROM_4      0x08000000  /* Select interpolation ROM 4                   */
#define CCCA_INTERPROM_5      0x0a000000  /* Select interpolation ROM 5                   */
#define CCCA_INTERPROM_6      0x0c000000  /* Select interpolation ROM 6                   */
#define CCCA_INTERPROM_7      0x0e000000  /* Select interpolation ROM 7                   */
#define CCCA_8BITSELECT       0x01000000  /* 1 = Sound memory for this channel uses 8-bit samples     */
#define CCCA_CURRADDR_MASK    0x00ffffff  /* Current address of the selected channel            */
#define CCCA_CURRADDR         0x18000008

#define CCR             0x09        /* Cache control register                       */
#define CCR_CACHEINVALIDSIZE  0x07190009
#define CCR_CACHEINVALIDSIZE_MASK   0xfe000000  /* Number of invalid samples cache for this channel         */
#define CCR_CACHELOOPFLAG     0x01000000  /* 1 = Cache has a loop service pending               */
#define CCR_INTERLEAVEDSAMPLES      0x00800000  /* 1 = A cache service will fetch interleaved samples */
#define CCR_WORDSIZEDSAMPLES  0x00400000  /* 1 = A cache service will fetch word sized samples  */
#define CCR_READADDRESS       0x06100009
#define CCR_READADDRESS_MASK  0x003f0000  /* Location of cache just beyond current cache service      */
#define CCR_LOOPINVALSIZE     0x0000fe00  /* Number of invalid samples in cache prior to loop   */
                                    /* NOTE: This is valid only if CACHELOOPFLAG is set   */
#define CCR_LOOPFLAG          0x00000100  /* Set for a single sample period when a loop occurs  */
#define CCR_CACHELOOPADDRHI   0x000000ff  /* DSL_LOOPSTARTADDR's hi byte if CACHELOOPFLAG is set      */

#define CLP             0x0a        /* Cache loop register (valid if CCR_CACHELOOPFLAG = 1) */
                                    /* NOTE: This register is normally not used           */
#define CLP_CACHELOOPADDR     0x0000ffff  /* Cache loop address (DSL_LOOPSTARTADDR [0..15])     */

#define FXRT                  0x0b        /* Effects send routing register                */
                                    /* NOTE: It is illegal to assign the same routing to  */
                                    /* two effects sends.                           */
#define FXRT_CHANNELA         0x000f0000  /* Effects send bus number for channel's effects send A     */
#define FXRT_CHANNELB         0x00f00000  /* Effects send bus number for channel's effects send B     */
#define FXRT_CHANNELC         0x0f000000  /* Effects send bus number for channel's effects send C     */
#define FXRT_CHANNELD         0xf0000000  /* Effects send bus number for channel's effects send D     */

#define MAPA                  0x0c        /* Cache map A                                  */

#define MAPB                  0x0d        /* Cache map B                                  */

#define MAP_PTE_MASK          0xffffe000  /* The 19 MSBs of the PTE indexed by the PTI          */
#define MAP_PTI_MASK          0x00001fff  /* The 13 bit index to one of the 8192 PTE dwords           */

#define ENVVOL                0x10        /* Volume envelope register                     */
#define ENVVOL_MASK           0x0000ffff  /* Current value of volume envelope state variable    */  
                                    /* 0x8000-n == 666*n usec delay                             */

#define ATKHLDV         0x11        /* Volume envelope hold and attack register           */
#define ATKHLDV_PHASE0        0x00008000  /* 0 = Begin attack phase                       */
#define ATKHLDV_HOLDTIME_MASK 0x00007f00  /* Envelope hold time (127-n == n*88.2msec)           */
#define ATKHLDV_ATTACKTIME_MASK     0x0000007f  /* Envelope attack time, log encoded                  */
                                    /* 0 = infinite, 1 = 10.9msec, ... 0x7f = 5.5msec     */

#define DCYSUSV         0x12        /* Volume envelope sustain and decay register         */
#define DCYSUSV_PHASE1_MASK   0x00008000  /* 0 = Begin attack phase, 1 = begin release phase    */
#define DCYSUSV_SUSTAINLEVEL_MASK 0x00007f00    /* 127 = full, 0 = off, 0.75dB increments       */
#define DCYSUSV_CHANNELENABLE_MASK 0x00000080   /* 1 = Inhibit envelope engine from writing values in */
                                    /* this channel and from writing to pitch, filter and */
                                    /* volume targets.                              */
#define DCYSUSV_DECAYTIME_MASK      0x0000007f  /* Volume envelope decay time, log encoded            */
                                    /* 0 = 43.7msec, 1 = 21.8msec, 0x7f = 22msec          */

#define LFOVAL1         0x13        /* Modulation LFO value                         */
#define LFOVAL_MASK           0x0000ffff  /* Current value of modulation LFO state variable     */
                                    /* 0x8000-n == 666*n usec delay                       */

#define ENVVAL                0x14        /* Modulation envelope register                       */
#define ENVVAL_MASK           0x0000ffff  /* Current value of modulation envelope state variable      */
                                    /* 0x8000-n == 666*n usec delay                       */

#define ATKHLDM               0x15        /* Modulation envelope hold and attack register       */
#define ATKHLDM_PHASE0        0x00008000  /* 0 = Begin attack phase                       */
#define ATKHLDM_HOLDTIME      0x00007f00  /* Envelope hold time (127-n == n*42msec)       */
#define ATKHLDM_ATTACKTIME    0x0000007f  /* Envelope attack time, log encoded                  */
                                    /* 0 = infinite, 1 = 11msec, ... 0x7f = 5.5msec       */

#define DCYSUSM               0x16        /* Modulation envelope decay and sustain register     */
#define DCYSUSM_PHASE1_MASK   0x00008000  /* 0 = Begin attack phase, 1 = begin release phase    */
#define DCYSUSM_SUSTAINLEVEL_MASK 0x00007f00    /* 127 = full, 0 = off, 0.75dB increments       */
#define DCYSUSM_DECAYTIME_MASK      0x0000007f  /* Envelope decay time, log encoded             */
                                    /* 0 = 43.7msec, 1 = 21.8msec, 0x7f = 22msec          */

#define LFOVAL2         0x17        /* Vibrato LFO register                         */
#define LFOVAL2_MASK          0x0000ffff  /* Current value of vibrato LFO state variable        */
                                    /* 0x8000-n == 666*n usec delay                       */

#define IP              0x18        /* Initial pitch register                       */
#define IP_MASK               0x0000ffff  /* Exponential initial pitch shift              */
                                    /* 4 bits of octave, 12 bits of fractional octave     */
#define IP_UNITY        0x0000e000  /* Unity pitch shift                            */

#define IFATN                 0x19        /* Initial filter cutoff and attenuation register     */
#define IFATN_FILTERCUTOFF_MASK     0x0000ff00  /* Initial filter cutoff frequency in exponential units     */
                                    /* 6 most significant bits are semitones        */
                                    /* 2 least significant bits are fractions       */
#define IFATN_FILTERCUTOFF    0x08080019
#define IFATN_ATTENUATION_MASK      0x000000ff  /* Initial attenuation in 0.375dB steps               */
#define IFATN_ATTENUATION     0x08000019


#define PEFE                  0x1a        /* Pitch envelope and filter envelope amount register */
#define PEFE_PITCHAMOUNT_MASK 0x0000ff00  /* Pitch envlope amount                         */
                                    /* Signed 2's complement, +/- one octave peak extremes      */
#define PEFE_PITCHAMOUNT      0x0808001a
#define PEFE_FILTERAMOUNT_MASK      0x000000ff  /* Filter envlope amount                        */
                                    /* Signed 2's complement, +/- six octaves peak extremes */
#define PEFE_FILTERAMOUNT     0x0800001a
#define FMMOD                 0x1b        /* Vibrato/filter modulation from LFO register        */
#define FMMOD_MODVIBRATO      0x0000ff00  /* Vibrato LFO modulation depth                       */
                                    /* Signed 2's complement, +/- one octave extremes     */
#define FMMOD_MOFILTER        0x000000ff  /* Filter LFO modulation depth                        */
                                    /* Signed 2's complement, +/- three octave extremes   */


#define TREMFRQ         0x1c        /* Tremolo amount and modulation LFO frequency register     */
#define TREMFRQ_DEPTH         0x0000ff00  /* Tremolo depth                          */
                                    /* Signed 2's complement, with +/- 12dB extremes      */

#define TREMFRQ_FREQUENCY     0x000000ff  /* Tremolo LFO frequency                        */
                                    /* ??Hz steps, maximum of ?? Hz.                */
#define FM2FRQ2         0x1d        /* Vibrato amount and vibrato LFO frequency register  */
#define FM2FRQ2_DEPTH         0x0000ff00  /* Vibrato LFO vibrato depth                    */
                                    /* Signed 2's complement, +/- one octave extremes     */
#define FM2FRQ2_FREQUENCY     0x000000ff  /* Vibrato LFO frequency                        */
                                    /* 0.039Hz steps, maximum of 9.85 Hz.                 */

#define TEMPENV         0x1e        /* Tempory envelope register                    */
#define TEMPENV_MASK          0x0000ffff  /* 16-bit value                                 */
                                    /* NOTE: All channels contain internal variables; do  */
                                    /* not write to these locations.                */

#define CD0             0x20        /* Cache data 0 register                        */
#define CD1             0x21        /* Cache data 1 register                        */
#define CD2             0x22        /* Cache data 2 register                        */
#define CD3             0x23        /* Cache data 3 register                        */
#define CD4             0x24        /* Cache data 4 register                        */
#define CD5             0x25        /* Cache data 5 register                        */
#define CD6             0x26        /* Cache data 6 register                        */
#define CD7             0x27        /* Cache data 7 register                        */
#define CD8             0x28        /* Cache data 8 register                        */
#define CD9             0x29        /* Cache data 9 register                        */
#define CDA             0x2a        /* Cache data A register                        */
#define CDB             0x2b        /* Cache data B register                        */
#define CDC             0x2c        /* Cache data C register                        */
#define CDD             0x2d        /* Cache data D register                        */
#define CDE             0x2e        /* Cache data E register                        */
#define CDF             0x2f        /* Cache data F register                        */

#define PTB             0x40        /* Page table base register                     */
#define PTB_MASK        0xfffff000  /* Physical address of the page table in host memory  */

#define TCB             0x41        /* Tank cache base register                           */
#define TCB_MASK        0xfffff000  /* Physical address of the bottom of host based TRAM  */

#define ADCCR                 0x42        /* ADC sample rate/stereo control register            */
#define ADCCR_RCHANENABLE     0x00000010  /* Enables right channel for writing to the host            */
#define ADCCR_LCHANENABLE     0x00000008  /* Enables left channel for writing to the host       */
                                    /* NOTE: To guarantee phase coherency, both channels  */
                                    /* must be disabled prior to enabling both channels.  */
#define A_ADCCR_RCHANENABLE   0x00000020
#define A_ADCCR_LCHANENABLE   0x00000010

#define A_ADCCR_SAMPLERATE_MASK 0x0000000F      /* Audigy sample rate convertor output rate           */
#define ADCCR_SAMPLERATE_MASK 0x00000007  /* Sample rate convertor output rate                  */
#define ADCCR_SAMPLERATE_48   0x00000000  /* 48kHz sample rate                            */
#define ADCCR_SAMPLERATE_44   0x00000001  /* 44.1kHz sample rate                          */
#define ADCCR_SAMPLERATE_32   0x00000002  /* 32kHz sample rate                            */
#define ADCCR_SAMPLERATE_24   0x00000003  /* 24kHz sample rate                            */
#define ADCCR_SAMPLERATE_22   0x00000004  /* 22.05kHz sample rate                         */
#define ADCCR_SAMPLERATE_16   0x00000005  /* 16kHz sample rate                            */
#define ADCCR_SAMPLERATE_11   0x00000006  /* 11.025kHz sample rate                        */
#define ADCCR_SAMPLERATE_8    0x00000007  /* 8kHz sample rate                             */
#define A_ADCCR_SAMPLERATE_12 0x00000006  /* 12kHz sample rate                            */
#define A_ADCCR_SAMPLERATE_11 0x00000007  /* 11.025kHz sample rate                        */
#define A_ADCCR_SAMPLERATE_8  0x00000008  /* 8kHz sample rate                             */

#define FXWC                  0x43        /* FX output write channels register                  */
                                    /* When set, each bit enables the writing of the      */
                                    /* corresponding FX output channel into host memory   */
#define FXWC_DEFAULTROUTE_C     (1<<0)          /* left emu out? */
#define FXWC_DEFAULTROUTE_B     (1<<1)          /* right emu out? */
#define FXWC_DEFAULTROUTE_A     (1<<12)
#define FXWC_DEFAULTROUTE_D     (1<<13)
#define FXWC_ADCLEFT            (1<<18)
#define FXWC_CDROMSPDIFLEFT     (1<<18)
#define FXWC_ADCRIGHT           (1<<19)
#define FXWC_CDROMSPDIFRIGHT    (1<<19)
#define FXWC_MIC                (1<<20)
#define FXWC_ZOOMLEFT           (1<<20)
#define FXWC_ZOOMRIGHT          (1<<21)
#define FXWC_SPDIFLEFT          (1<<22)         /* 0x00400000 */
#define FXWC_SPDIFRIGHT         (1<<23)         /* 0x00800000 */

#define TCBS                  0x44        /* Tank cache buffer size register              */
#define TCBS_MASK       0x00000007  /* Tank cache buffer size field                       */
#define TCBS_BUFFSIZE_16K     0x00000000
#define TCBS_BUFFSIZE_32K     0x00000001
#define TCBS_BUFFSIZE_64K     0x00000002
#define TCBS_BUFFSIZE_128K    0x00000003
#define TCBS_BUFFSIZE_256K    0x00000004
#define TCBS_BUFFSIZE_512K    0x00000005
#define TCBS_BUFFSIZE_1024K   0x00000006
#define TCBS_BUFFSIZE_2048K   0x00000007

#define MICBA                 0x45        /* AC97 microphone buffer address register            */
#define MICBA_MASK            0xfffff000  /* 20 bit base address                          */

#define ADCBA                 0x46        /* ADC buffer address register                        */
#define ADCBA_MASK            0xfffff000  /* 20 bit base address                          */

#define FXBA                  0x47        /* FX Buffer Address */
#define FXBA_MASK       0xfffff000  /* 20 bit base address                          */

#define MICBS                 0x49        /* Microphone buffer size register              */

#define ADCBS                 0x4a        /* ADC buffer size register                     */

#define FXBS                  0x4b        /* FX buffer size register                      */

/* The following mask values define the size of the ADC, MIX and FX buffers in bytes */
#define ADCBS_BUFSIZE_NONE    0x00000000
#define ADCBS_BUFSIZE_384     0x00000001
#define ADCBS_BUFSIZE_448     0x00000002
#define ADCBS_BUFSIZE_512     0x00000003
#define ADCBS_BUFSIZE_640     0x00000004
#define ADCBS_BUFSIZE_768     0x00000005
#define ADCBS_BUFSIZE_896     0x00000006
#define ADCBS_BUFSIZE_1024    0x00000007
#define ADCBS_BUFSIZE_1280    0x00000008
#define ADCBS_BUFSIZE_1536    0x00000009
#define ADCBS_BUFSIZE_1792    0x0000000a
#define ADCBS_BUFSIZE_2048    0x0000000b
#define ADCBS_BUFSIZE_2560    0x0000000c
#define ADCBS_BUFSIZE_3072    0x0000000d
#define ADCBS_BUFSIZE_3584    0x0000000e
#define ADCBS_BUFSIZE_4096    0x0000000f
#define ADCBS_BUFSIZE_5120    0x00000010
#define ADCBS_BUFSIZE_6144    0x00000011
#define ADCBS_BUFSIZE_7168    0x00000012
#define ADCBS_BUFSIZE_8192    0x00000013
#define ADCBS_BUFSIZE_10240   0x00000014
#define ADCBS_BUFSIZE_12288   0x00000015
#define ADCBS_BUFSIZE_14366   0x00000016
#define ADCBS_BUFSIZE_16384   0x00000017
#define ADCBS_BUFSIZE_20480   0x00000018
#define ADCBS_BUFSIZE_24576   0x00000019
#define ADCBS_BUFSIZE_28672   0x0000001a
#define ADCBS_BUFSIZE_32768   0x0000001b
#define ADCBS_BUFSIZE_40960   0x0000001c
#define ADCBS_BUFSIZE_49152   0x0000001d
#define ADCBS_BUFSIZE_57344   0x0000001e
#define ADCBS_BUFSIZE_65536   0x0000001f


#define CDCS                  0x50        /* CD-ROM digital channel status register */

#define GPSCS                 0x51        /* General Purpose SPDIF channel status register*/

#define DBG             0x52        /* DO NOT PROGRAM THIS REGISTER!!! MAY DESTROY CHIP */

#define REG53                 0x53        /* DO NOT PROGRAM THIS REGISTER!!! MAY DESTROY CHIP */

#define A_DBG                  0x53
#define A_DBG_SINGLE_STEP      0x00020000 /* Set to zero to start dsp */
#define A_DBG_ZC         0x40000000 /* zero tram counter */
#define A_DBG_STEP_ADDR        0x000003ff
#define A_DBG_SATURATION_OCCURED 0x20000000
#define A_DBG_SATURATION_ADDR  0x0ffc0000

#define SPCS0                 0x54        /* SPDIF output Channel Status 0 register */

#define SPCS1                 0x55        /* SPDIF output Channel Status 1 register */

#define SPCS2                 0x56        /* SPDIF output Channel Status 2 register */

#define SPCS_CLKACCYMASK      0x30000000  /* Clock accuracy                   */
#define SPCS_CLKACCY_1000PPM  0x00000000  /* 1000 parts per million                 */
#define SPCS_CLKACCY_50PPM    0x10000000  /* 50 parts per million                   */
#define SPCS_CLKACCY_VARIABLE 0x20000000  /* Variable accuracy                      */
#define SPCS_SAMPLERATEMASK   0x0f000000  /* Sample rate                            */
#define SPCS_SAMPLERATE_44    0x00000000  /* 44.1kHz sample rate                    */
#define SPCS_SAMPLERATE_48    0x02000000  /* 48kHz sample rate                      */
#define SPCS_SAMPLERATE_32    0x03000000  /* 32kHz sample rate                      */
#define SPCS_CHANNELNUMMASK   0x00f00000  /* Channel number                   */
#define SPCS_CHANNELNUM_UNSPEC      0x00000000  /* Unspecified channel number             */
#define SPCS_CHANNELNUM_LEFT  0x00100000  /* Left channel                           */
#define SPCS_CHANNELNUM_RIGHT 0x00200000  /* Right channel                    */
#define SPCS_SOURCENUMMASK    0x000f0000  /* Source number                    */
#define SPCS_SOURCENUM_UNSPEC 0x00000000  /* Unspecified source number              */
#define SPCS_GENERATIONSTATUS 0x00008000  /* Originality flag (see IEC-958 spec)          */
#define SPCS_CATEGORYCODEMASK 0x00007f00  /* Category code (see IEC-958 spec)       */
#define SPCS_MODEMASK         0x000000c0  /* Mode (see IEC-958 spec)                */
#define SPCS_EMPHASISMASK     0x00000038  /* Emphasis                         */
#define SPCS_EMPHASIS_NONE    0x00000000  /* No emphasis                            */
#define SPCS_EMPHASIS_50_15   0x00000008  /* 50/15 usec 2 channel                   */
#define SPCS_COPYRIGHT        0x00000004  /* Copyright asserted flag -- do not modify     */
#define SPCS_NOTAUDIODATA     0x00000002  /* 0 = Digital audio, 1 = not audio       */
#define SPCS_PROFESSIONAL     0x00000001  /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992)  */

/* The 32-bit CLIx and SOLx registers all have one bit per channel control/status               */
#define CLIEL                 0x58        /* Channel loop interrupt enable low register   */

#define CLIEH                 0x59        /* Channel loop interrupt enable high register  */

#define CLIPL                 0x5a        /* Channel loop interrupt pending low register  */

#define CLIPH                 0x5b        /* Channel loop interrupt pending high register */

#define SOLEL                 0x5c        /* Stop on loop enable low register       */

#define SOLEH                 0x5d        /* Stop on loop enable high register            */

#define SPBYPASS        0x5e        /* SPDIF BYPASS mode register             */
#define SPBYPASS_SPDIF0_MASK  0x00000003  /* SPDIF 0 bypass mode                    */
#define SPBYPASS_SPDIF1_MASK  0x0000000c  /* SPDIF 1 bypass mode                    */
/* bypass mode: 0 - DSP; 1 - SPDIF A, 2 - SPDIF B, 3 - SPDIF C                            */
#define SPBYPASS_FORMAT       0x00000f00      /* If 1, SPDIF XX uses 24 bit, if 0 - 20 bit      */

#define AC97SLOT        0x5f            /* additional AC97 slots enable bits        */
#define AC97SLOT_REAR_RIGHT   0x01        /* Rear left */
#define AC97SLOT_REAR_LEFT    0x02        /* Rear right */
#define AC97SLOT_CNTR         0x10            /* Center enable */
#define AC97SLOT_LFE          0x20            /* LFE enable */

#define CDSRCS                0x60        /* CD-ROM Sample Rate Converter status register */

#define GPSRCS                0x61        /* General Purpose SPDIF sample rate cvt status */

#define ZVSRCS                0x62        /* ZVideo sample rate converter status          */
                                    /* NOTE: This one has no SPDIFLOCKED field      */
                                    /* Assumes sample lock                    */

/* These three bitfields apply to CDSRCS, GPSRCS, and (except as noted) ZVSRCS.                 */
#define SRCS_SPDIFLOCKED      0x02000000  /* SPDIF stream locked                    */
#define SRCS_RATELOCKED       0x01000000  /* Sample rate locked                     */
#define SRCS_ESTSAMPLERATE    0x0007ffff  /* Do not modify this field.              */

/* Note that these values can vary +/- by a small amount                                        */
#define SRCS_SPDIFRATE_44     0x0003acd9
#define SRCS_SPDIFRATE_48     0x00040000
#define SRCS_SPDIFRATE_96     0x00080000

#define MICIDX                  0x63            /* Microphone recording buffer index register   */
#define MICIDX_MASK             0x0000ffff      /* 16-bit value                                 */
#define MICIDX_IDX            0x10000063

#define ADCIDX                0x64        /* ADC recording buffer index register          */
#define ADCIDX_MASK           0x0000ffff  /* 16 bit index field                     */
#define ADCIDX_IDX            0x10000064

#define A_ADCIDX        0x63
#define A_ADCIDX_IDX          0x10000063

#define A_MICIDX        0x64
#define A_MICIDX_IDX          0x10000064

#define FXIDX                 0x65        /* FX recording buffer index register           */
#define FXIDX_MASK            0x0000ffff  /* 16-bit value                           */
#define FXIDX_IDX       0x10000065

/* This is the MPU port on the card (via the game port)                                   */
#define A_MUDATA1       0x70
#define A_MUCMD1        0x71
#define A_MUSTAT1       A_MUCMD1

/* This is the MPU port on the Audigy Drive                                         */
#define A_MUDATA2       0x72
#define A_MUCMD2        0x73
#define A_MUSTAT2       A_MUCMD2    

/* The next two are the Audigy equivalent of FXWC                                   */
/* the Audigy can record any output (16bit, 48kHz, up to 64 channel simultaneously)             */
/* Each bit selects a channel for recording */
#define A_FXWC1               0x74            /* Selects 0x7f-0x60 for FX recording           */
#define A_FXWC2               0x75        /* Selects 0x9f-0x80 for FX recording           */

#define A_SPDIF_SAMPLERATE    0x76        /* Set the sample rate of SPDIF output          */
#define A_SPDIF_48000         0x00000080
#define A_SPDIF_44100         0x00000000
#define A_SPDIF_96000         0x00000040

#define A_FXRT2               0x7c
#define A_FXRT_CHANNELE       0x0000003f  /* Effects send bus number for channel's effects send E     */
#define A_FXRT_CHANNELF       0x00003f00  /* Effects send bus number for channel's effects send F     */
#define A_FXRT_CHANNELG       0x003f0000  /* Effects send bus number for channel's effects send G     */
#define A_FXRT_CHANNELH       0x3f000000  /* Effects send bus number for channel's effects send H     */

#define A_SENDAMOUNTS         0x7d
#define A_FXSENDAMOUNT_E_MASK 0xFF000000
#define A_FXSENDAMOUNT_F_MASK 0x00FF0000
#define A_FXSENDAMOUNT_G_MASK 0x0000FF00
#define A_FXSENDAMOUNT_H_MASK 0x000000FF

/* The send amounts for this one are the same as used with the emu10k1 */
#define A_FXRT1               0x7e
#define A_FXRT_CHANNELA       0x0000003f
#define A_FXRT_CHANNELB       0x00003f00
#define A_FXRT_CHANNELC       0x003f0000
#define A_FXRT_CHANNELD       0x3f000000


/* Each FX general purpose register is 32 bits in length, all bits are used               */
#define FXGPREGBASE           0x100       /* FX general purpose registers base            */
#define A_FXGPREGBASE         0x400       /* Audigy GPRs, 0x400 to 0x5ff                  */

#define A_TANKMEMCTLREGBASE   0x100       /* Tank memory control registers base - only for Audigy */
#define A_TANKMEMCTLREG_MASK  0x1f        /* only 5 bits used - only for Audigy */

/* Tank audio data is logarithmically compressed down to 16 bits before writing to TRAM and is  */
/* decompressed back to 20 bits on a read.  There are a total of 160 locations, the last 32     */
/* locations are for external TRAM.                                                 */
#define TANKMEMDATAREGBASE    0x200       /* Tank memory data registers base              */
#define TANKMEMDATAREG_MASK   0x000fffff  /* 20 bit tank audio data field                 */

/* Combined address field and memory opcode or flag field.  160 locations, last 32 are external */
#define TANKMEMADDRREGBASE    0x300       /* Tank memory address registers base           */
#define TANKMEMADDRREG_ADDR_MASK 0x000fffff     /* 20 bit tank address field              */
#define TANKMEMADDRREG_CLEAR  0x00800000  /* Clear tank memory                      */
#define TANKMEMADDRREG_ALIGN  0x00400000  /* Align read or write relative to tank access  */
#define TANKMEMADDRREG_WRITE  0x00200000  /* Write to tank memory                   */
#define TANKMEMADDRREG_READ   0x00100000  /* Read from tank memory                  */

#define MICROCODEBASE         0x400       /* Microcode data base address                  */

/* Each DSP microcode instruction is mapped into 2 doublewords                            */
/* NOTE: When writing, always write the LO doubleword first.  Reads can be in either order.     */
#define LOWORD_OPX_MASK       0x000ffc00  /* Instruction operand X                  */
#define LOWORD_OPY_MASK       0x000003ff  /* Instruction operand Y                  */
#define HIWORD_OPCODE_MASK    0x00f00000  /* Instruction opcode                     */
#define HIWORD_RESULT_MASK    0x000ffc00  /* Instruction result                     */
#define HIWORD_OPA_MASK       0x000003ff  /* Instruction operand A                  */


/* Audigy Soundcard have a different instruction format */
#define A_MICROCODEBASE       0x600
#define A_LOWORD_OPY_MASK     0x000007ff
#define A_LOWORD_OPX_MASK     0x007ff000
#define A_HIWORD_OPCODE_MASK  0x0f000000
#define A_HIWORD_RESULT_MASK  0x007ff000
#define A_HIWORD_OPA_MASK     0x000007ff


/* ------------------- STRUCTURES -------------------- */

typedef struct _snd_emu10k1 emu10k1_t;
typedef struct _snd_emu10k1_voice emu10k1_voice_t;
typedef struct _snd_emu10k1_pcm emu10k1_pcm_t;

typedef enum {
      EMU10K1_PCM,
      EMU10K1_SYNTH,
      EMU10K1_MIDI
} emu10k1_voice_type_t;

struct _snd_emu10k1_voice {
      emu10k1_t *emu;
      int number;
      int use: 1,
          pcm: 1,
          synth: 1,
          midi: 1;
      void (*interrupt)(emu10k1_t *emu, emu10k1_voice_t *pvoice);

      emu10k1_pcm_t *epcm;
};

typedef enum {
      PLAYBACK_EMUVOICE,
      CAPTURE_AC97ADC,
      CAPTURE_AC97MIC,
      CAPTURE_EFX
} snd_emu10k1_pcm_type_t;

struct _snd_emu10k1_pcm {
      emu10k1_t *emu;
      snd_emu10k1_pcm_type_t type;
      snd_pcm_substream_t *substream;
      emu10k1_voice_t *voices[2];
      emu10k1_voice_t *extra;
      unsigned short running;
      unsigned short first_ptr;
      snd_util_memblk_t *memblk;
      unsigned int start_addr;
      unsigned int ccca_start_addr;
      unsigned int capture_ipr;     /* interrupt acknowledge mask */
      unsigned int capture_inte;    /* interrupt enable mask */
      unsigned int capture_ba_reg;  /* buffer address register */
      unsigned int capture_bs_reg;  /* buffer size register */
      unsigned int capture_idx_reg; /* buffer index register */
      unsigned int capture_cr_val;  /* control value */
      unsigned int capture_cr_val2; /* control value2 (for audigy) */
      unsigned int capture_bs_val;  /* buffer size value */
      unsigned int capture_bufsize; /* buffer size in bytes */
};

typedef struct {
      /* mono, left, right x 8 sends (4 on emu10k1) */
      unsigned char send_routing[3][8];
      unsigned char send_volume[3][8];
      unsigned short attn[3];
      emu10k1_pcm_t *epcm;
} emu10k1_pcm_mixer_t;

#define snd_emu10k1_compose_send_routing(route) \
((route[0] | (route[1] << 4) | (route[2] << 8) | (route[3] << 12)) << 16)

#define snd_emu10k1_compose_audigy_fxrt1(route) \
((unsigned int)route[0] | ((unsigned int)route[1] << 8) | ((unsigned int)route[2] << 16) | ((unsigned int)route[3] << 24))

#define snd_emu10k1_compose_audigy_fxrt2(route) \
((unsigned int)route[4] | ((unsigned int)route[5] << 8) | ((unsigned int)route[6] << 16) | ((unsigned int)route[7] << 24))

typedef struct snd_emu10k1_memblk {
      snd_util_memblk_t mem;
      /* private part */
      int first_page, last_page, pages, mapped_page;
      unsigned int map_locked;
      struct list_head mapped_link;
      struct list_head mapped_order_link;
} emu10k1_memblk_t;

#define snd_emu10k1_memblk_offset(blk)    (((blk)->mapped_page << PAGE_SHIFT) | ((blk)->mem.offset & (PAGE_SIZE - 1)))

#define EMU10K1_MAX_TRAM_BLOCKS_PER_CODE  16

typedef struct {
      struct list_head list;        /* list link container */
      unsigned int vcount;
      unsigned int count;           /* count of GPR (1..16) */
      unsigned short gpr[32];       /* GPR number(s) */
      unsigned int value[32];
      unsigned int min;       /* minimum range */
      unsigned int max;       /* maximum range */
      unsigned int translation;     /* translation type (EMU10K1_GPR_TRANSLATION*) */
      snd_kcontrol_t *kcontrol;
} snd_emu10k1_fx8010_ctl_t;

typedef void (snd_fx8010_irq_handler_t)(emu10k1_t *emu, void *private_data);

typedef struct _snd_emu10k1_fx8010_irq {
      struct _snd_emu10k1_fx8010_irq *next;
      snd_fx8010_irq_handler_t *handler;
      unsigned short gpr_running;
      void *private_data;
} snd_emu10k1_fx8010_irq_t;

typedef struct {
      unsigned int valid: 1,
                 opened: 1,
                 active: 1;
      unsigned int channels;        /* 16-bit channels count */
      unsigned int tram_start;      /* initial ring buffer position in TRAM (in samples) */
      unsigned int buffer_size;     /* count of buffered samples */
      unsigned short gpr_size;            /* GPR containing size of ring buffer in samples (host) */
      unsigned short gpr_ptr;       /* GPR containing current pointer in the ring buffer (host = reset, FX8010) */
      unsigned short gpr_count;     /* GPR containing count of samples between two interrupts (host) */
      unsigned short gpr_tmpcount;  /* GPR containing current count of samples to interrupt (host = set, FX8010) */
      unsigned short gpr_trigger;   /* GPR containing trigger (activate) information (host) */
      unsigned short gpr_running;   /* GPR containing info if PCM is running (FX8010) */
      unsigned char etram[32];      /* external TRAM address & data */
      snd_pcm_indirect_t pcm_rec;
      unsigned int tram_pos;
      unsigned int tram_shift;
      snd_emu10k1_fx8010_irq_t *irq;
} snd_emu10k1_fx8010_pcm_t;

typedef struct {
      unsigned short fxbus_mask;    /* used FX buses (bitmask) */
      unsigned short extin_mask;    /* used external inputs (bitmask) */
      unsigned short extout_mask;   /* used external outputs (bitmask) */
      unsigned short pad1;
      unsigned int itram_size;      /* internal TRAM size in samples */
      struct snd_dma_buffer etram_pages; /* external TRAM pages and size */
      unsigned int dbg;       /* FX debugger register */
      unsigned char name[128];
      int gpr_size;                 /* size of allocated GPR controls */
      int gpr_count;                /* count of used kcontrols */
      struct list_head gpr_ctl;     /* GPR controls */
      struct semaphore lock;
      snd_emu10k1_fx8010_pcm_t pcm[8];
      spinlock_t irq_lock;
      snd_emu10k1_fx8010_irq_t *irq_handlers;
} snd_emu10k1_fx8010_t;

#define emu10k1_gpr_ctl(n) list_entry(n, snd_emu10k1_fx8010_ctl_t, list)

typedef struct {
      struct _snd_emu10k1 *emu;
      snd_rawmidi_t *rmidi;
      snd_rawmidi_substream_t *substream_input;
      snd_rawmidi_substream_t *substream_output;
      unsigned int midi_mode;
      spinlock_t input_lock;
      spinlock_t output_lock;
      spinlock_t open_lock;
      int tx_enable, rx_enable;
      int port;
      int ipr_tx, ipr_rx;
      void (*interrupt)(emu10k1_t *emu, unsigned int status);
} emu10k1_midi_t;

struct _snd_emu10k1 {
      int irq;

      unsigned long port;                 /* I/O port number */
      int APS: 1,                   /* APS flag */
          no_ac97: 1,                     /* no AC'97 */
          tos_link: 1,              /* tos link detected */
          rear_ac97: 1,             /* rear channels are on AC'97 */
          spk71:1;                        /* 7.1 configuration (Audigy 2 ZS) */
      unsigned int audigy;                /* is Audigy? */
      unsigned int revision;              /* chip revision */
      unsigned int serial;                /* serial number */
      unsigned short model;               /* subsystem id */
      unsigned int card_type;             /* EMU10K1_CARD_* */
      unsigned int ecard_ctrl;            /* ecard control bits */
      unsigned long dma_mask;             /* PCI DMA mask */
      int max_cache_pages;                /* max memory size / PAGE_SIZE */
      struct snd_dma_buffer silent_page;  /* silent page */
      struct snd_dma_buffer ptb_pages;    /* page table pages */
      snd_util_memhdr_t *memhdr;          /* page allocation list */
      emu10k1_memblk_t *reserved_page;    /* reserved page */

      struct list_head mapped_link_head;
      struct list_head mapped_order_link_head;
      void **page_ptr_table;
      unsigned long *page_addr_table;
      spinlock_t memblk_lock;

      unsigned int spdif_bits[3];         /* s/pdif out setup */

      snd_emu10k1_fx8010_t fx8010;        /* FX8010 info */
      int gpr_base;
      
      ac97_t *ac97;

      struct pci_dev *pci;
      snd_card_t *card;
      snd_pcm_t *pcm;
      snd_pcm_t *pcm_mic;
      snd_pcm_t *pcm_efx;

      spinlock_t synth_lock;
      void *synth;
      int (*get_synth_voice)(emu10k1_t *emu);

      spinlock_t reg_lock;
      spinlock_t emu_lock;
      spinlock_t voice_lock;
      struct semaphore ptb_lock;

      emu10k1_voice_t voices[64];
      emu10k1_pcm_mixer_t pcm_mixer[32];
      snd_kcontrol_t *ctl_send_routing;
      snd_kcontrol_t *ctl_send_volume;
      snd_kcontrol_t *ctl_attn;

      void (*hwvol_interrupt)(emu10k1_t *emu, unsigned int status);
      void (*capture_interrupt)(emu10k1_t *emu, unsigned int status);
      void (*capture_mic_interrupt)(emu10k1_t *emu, unsigned int status);
      void (*capture_efx_interrupt)(emu10k1_t *emu, unsigned int status);
      void (*timer_interrupt)(emu10k1_t *emu);
      void (*spdif_interrupt)(emu10k1_t *emu, unsigned int status);
      void (*dsp_interrupt)(emu10k1_t *emu);

      snd_pcm_substream_t *pcm_capture_substream;
      snd_pcm_substream_t *pcm_capture_mic_substream;
      snd_pcm_substream_t *pcm_capture_efx_substream;

      snd_timer_t *timer;

      emu10k1_midi_t midi;
      emu10k1_midi_t midi2; /* for audigy */

      unsigned int efx_voices_mask[2];
};

int snd_emu10k1_create(snd_card_t * card,
                   struct pci_dev *pci,
                   unsigned short extin_mask,
                   unsigned short extout_mask,
                   long max_cache_bytes,
                   int enable_ir,
                   emu10k1_t ** remu);

int snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_fx8010_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm);
int snd_emu10k1_mixer(emu10k1_t * emu);
int snd_emu10k1_timer(emu10k1_t * emu, int device);
int snd_emu10k1_fx8010_new(emu10k1_t *emu, int device, snd_hwdep_t ** rhwdep);

irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id, struct pt_regs *regs);

/* initialization */
void snd_emu10k1_voice_init(emu10k1_t * emu, int voice);
int snd_emu10k1_init_efx(emu10k1_t *emu);
void snd_emu10k1_free_efx(emu10k1_t *emu);
int snd_emu10k1_fx8010_tram_setup(emu10k1_t *emu, u32 size);

/* I/O functions */
unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned int chn);
void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, unsigned int data);
unsigned int snd_emu10k1_efx_read(emu10k1_t *emu, unsigned int pc);
void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb);
void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb);
void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum);
void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait);
static inline unsigned int snd_emu10k1_wc(emu10k1_t *emu) { return (inl(emu->port + WC) >> 6) & 0xfffff; }
unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg);
void snd_emu10k1_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short data);
unsigned int snd_emu10k1_rate_to_pitch(unsigned int rate);

/* memory allocation */
snd_util_memblk_t *snd_emu10k1_alloc_pages(emu10k1_t *emu, snd_pcm_substream_t *substream);
int snd_emu10k1_free_pages(emu10k1_t *emu, snd_util_memblk_t *blk);
snd_util_memblk_t *snd_emu10k1_synth_alloc(emu10k1_t *emu, unsigned int size);
int snd_emu10k1_synth_free(emu10k1_t *emu, snd_util_memblk_t *blk);
int snd_emu10k1_synth_bzero(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, int size);
int snd_emu10k1_synth_copy_from_user(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, const char __user *data, int size);
int snd_emu10k1_memblk_map(emu10k1_t *emu, emu10k1_memblk_t *blk);

/* voice allocation */
int snd_emu10k1_voice_alloc(emu10k1_t *emu, emu10k1_voice_type_t type, int pair, emu10k1_voice_t **rvoice);
int snd_emu10k1_voice_free(emu10k1_t *emu, emu10k1_voice_t *pvoice);

/* MIDI uart */
int snd_emu10k1_midi(emu10k1_t * emu);
int snd_emu10k1_audigy_midi(emu10k1_t * emu);

/* proc interface */
int snd_emu10k1_proc_init(emu10k1_t * emu);

/* fx8010 irq handler */
int snd_emu10k1_fx8010_register_irq_handler(emu10k1_t *emu,
                                  snd_fx8010_irq_handler_t *handler,
                                  unsigned char gpr_running,
                                  void *private_data,
                                  snd_emu10k1_fx8010_irq_t **r_irq);
int snd_emu10k1_fx8010_unregister_irq_handler(emu10k1_t *emu,
                                    snd_emu10k1_fx8010_irq_t *irq);

#endif /* __KERNEL__ */

/*
 * ---- FX8010 ----
 */

#define EMU10K1_CARD_CREATIVE             0x00000000
#define EMU10K1_CARD_EMUAPS               0x00000001

#define EMU10K1_FX8010_PCM_COUNT          8

/* instruction set */
#define iMAC0      0x00 /* R = A + (X * Y >> 31)   ; saturation */
#define iMAC1      0x01 /* R = A + (-X * Y >> 31)  ; saturation */
#define iMAC2      0x02 /* R = A + (X * Y >> 31)   ; wraparound */
#define iMAC3      0x03 /* R = A + (-X * Y >> 31)  ; wraparound */
#define iMACINT0 0x04   /* R = A + X * Y     ; saturation */
#define iMACINT1 0x05   /* R = A + X * Y     ; wraparound (31-bit) */
#define iACC3      0x06 /* R = A + X + Y     ; saturation */
#define iMACMV   0x07   /* R = A, acc += X * Y >> 31 */
#define iANDXOR  0x08   /* R = (A & X) ^ Y */
#define iTSTNEG  0x09   /* R = (A >= Y) ? X : ~X */
#define iLIMITGE 0x0a   /* R = (A >= Y) ? X : Y */
#define iLIMITLT 0x0b   /* R = (A < Y) ? X : Y */
#define iLOG       0x0c /* R = linear_data, A (log_data), X (max_exp), Y (format_word) */
#define iEXP       0x0d /* R = log_data, A (linear_data), X (max_exp), Y (format_word) */
#define iINTERP  0x0e   /* R = A + (X * (Y - A) >> 31)  ; saturation */
#define iSKIP    0x0f   /* R = A (cc_reg), X (count), Y (cc_test) */

/* GPRs */
#define FXBUS(x)  (0x00 + (x))      /* x = 0x00 - 0x0f */
#define EXTIN(x)  (0x10 + (x))      /* x = 0x00 - 0x0f */
#define EXTOUT(x) (0x20 + (x))      /* x = 0x00 - 0x0f */
#define C_00000000      0x40
#define C_00000001      0x41
#define C_00000002      0x42
#define C_00000003      0x43
#define C_00000004      0x44
#define C_00000008      0x45
#define C_00000010      0x46
#define C_00000020      0x47
#define C_00000100      0x48
#define C_00010000      0x49
#define C_00080000      0x4a
#define C_10000000      0x4b
#define C_20000000      0x4c
#define C_40000000      0x4d
#define C_80000000      0x4e
#define C_7fffffff      0x4f
#define C_ffffffff      0x50
#define C_fffffffe      0x51
#define C_c0000000      0x52
#define C_4f1bbcdc      0x53
#define C_5a7ef9db      0x54
#define C_00100000      0x55        /* ?? */
#define GPR_ACCU  0x56        /* ACCUM, accumulator */
#define GPR_COND  0x57        /* CCR, condition register */
#define GPR_NOISE0      0x58        /* noise source */
#define GPR_NOISE1      0x59        /* noise source */
#define GPR_IRQ         0x5a        /* IRQ register */
#define GPR_DBAC  0x5b        /* TRAM Delay Base Address Counter */
#define GPR(x)          (FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */
#define ITRAM_DATA(x)   (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
#define ETRAM_DATA(x)   (TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
#define ITRAM_ADDR(x)   (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
#define ETRAM_ADDR(x)   (TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */

#define A_ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
#define A_ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
#define A_ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
#define A_ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
#define A_ITRAM_CTL(x)  (A_TANKMEMCTLREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
#define A_ETRAM_CTL(x)  (A_TANKMEMCTLREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */

#define A_FXBUS(x)      (0x00 + (x))      /* x = 0x00 - 0x3f? */
#define A_EXTIN(x)      (0x40 + (x))      /* x = 0x00 - 0x1f? */
#define A_EXTOUT(x)     (0x60 + (x))      /* x = 0x00 - 0x1f? */
#define A_GPR(x)  (A_FXGPREGBASE + (x))

/* cc_reg constants */
#define CC_REG_NORMALIZED C_00000001
#define CC_REG_BORROW   C_00000002
#define CC_REG_MINUS    C_00000004
#define CC_REG_ZERO     C_00000008
#define CC_REG_SATURATE C_00000010
#define CC_REG_NONZERO  C_00000100

/* FX buses */
#define FXBUS_PCM_LEFT        0x00
#define FXBUS_PCM_RIGHT       0x01
#define FXBUS_PCM_LEFT_REAR   0x02
#define FXBUS_PCM_RIGHT_REAR  0x03
#define FXBUS_MIDI_LEFT       0x04
#define FXBUS_MIDI_RIGHT      0x05
#define FXBUS_PCM_CENTER      0x06
#define FXBUS_PCM_LFE         0x07
#define FXBUS_PCM_LEFT_FRONT  0x08
#define FXBUS_PCM_RIGHT_FRONT 0x09
#define FXBUS_MIDI_REVERB     0x0c
#define FXBUS_MIDI_CHORUS     0x0d
#define FXBUS_PCM_LEFT_SIDE   0x0e
#define FXBUS_PCM_RIGHT_SIDE  0x0f
#define FXBUS_PT_LEFT         0x14
#define FXBUS_PT_RIGHT        0x15

/* Inputs */
#define EXTIN_AC97_L       0x00     /* AC'97 capture channel - left */
#define EXTIN_AC97_R       0x01     /* AC'97 capture channel - right */
#define EXTIN_SPDIF_CD_L   0x02     /* internal S/PDIF CD - onboard - left */
#define EXTIN_SPDIF_CD_R   0x03     /* internal S/PDIF CD - onboard - right */
#define EXTIN_ZOOM_L       0x04     /* Zoom Video I2S - left */
#define EXTIN_ZOOM_R       0x05     /* Zoom Video I2S - right */
#define EXTIN_TOSLINK_L    0x06     /* LiveDrive - TOSLink Optical - left */
#define EXTIN_TOSLINK_R    0x07     /* LiveDrive - TOSLink Optical - right */
#define EXTIN_LINE1_L      0x08     /* LiveDrive - Line/Mic 1 - left */
#define EXTIN_LINE1_R      0x09     /* LiveDrive - Line/Mic 1 - right */
#define EXTIN_COAX_SPDIF_L 0x0a     /* LiveDrive - Coaxial S/PDIF - left */
#define EXTIN_COAX_SPDIF_R 0x0b /* LiveDrive - Coaxial S/PDIF - right */
#define EXTIN_LINE2_L      0x0c     /* LiveDrive - Line/Mic 2 - left */
#define EXTIN_LINE2_R      0x0d     /* LiveDrive - Line/Mic 2 - right */

/* Outputs */
#define EXTOUT_AC97_L      0x00     /* AC'97 playback channel - left */
#define EXTOUT_AC97_R      0x01     /* AC'97 playback channel - right */
#define EXTOUT_TOSLINK_L   0x02     /* LiveDrive - TOSLink Optical - left */
#define EXTOUT_TOSLINK_R   0x03     /* LiveDrive - TOSLink Optical - right */
#define EXTOUT_AC97_CENTER 0x04     /* SB Live 5.1 - center */
#define EXTOUT_AC97_LFE    0x05 /* SB Live 5.1 - LFE */
#define EXTOUT_HEADPHONE_L 0x06     /* LiveDrive - Headphone - left */
#define EXTOUT_HEADPHONE_R 0x07     /* LiveDrive - Headphone - right */
#define EXTOUT_REAR_L      0x08     /* Rear channel - left */
#define EXTOUT_REAR_R      0x09     /* Rear channel - right */
#define EXTOUT_ADC_CAP_L   0x0a     /* ADC Capture buffer - left */
#define EXTOUT_ADC_CAP_R   0x0b     /* ADC Capture buffer - right */
#define EXTOUT_MIC_CAP     0x0c     /* MIC Capture buffer */
#define EXTOUT_AC97_REAR_L 0x0d     /* SB Live 5.1 (c) 2003 - Rear Left */
#define EXTOUT_AC97_REAR_R 0x0e     /* SB Live 5.1 (c) 2003 - Rear Right */
#define EXTOUT_ACENTER     0x11 /* Analog Center */
#define EXTOUT_ALFE        0x12 /* Analog LFE */

/* Audigy Inputs */
#define A_EXTIN_AC97_L        0x00  /* AC'97 capture channel - left */
#define A_EXTIN_AC97_R        0x01  /* AC'97 capture channel - right */
#define A_EXTIN_SPDIF_CD_L    0x02  /* digital CD left */
#define A_EXTIN_SPDIF_CD_R    0x03  /* digital CD left */
#define A_EXTIN_OPT_SPDIF_L     0x04    /* audigy drive Optical SPDIF - left */
#define A_EXTIN_OPT_SPDIF_R     0x05    /*                              right */ 
#define A_EXTIN_LINE2_L       0x08  /* audigy drive line2/mic2 - left */
#define A_EXTIN_LINE2_R       0x09  /*                           right */
#define A_EXTIN_ADC_L         0x0a    /* Philips ADC - left */
#define A_EXTIN_ADC_R         0x0b    /*               right */
#define A_EXTIN_AUX2_L        0x0c  /* audigy drive aux2 - left */
#define A_EXTIN_AUX2_R        0x0d  /*                   - right */

/* Audigiy Outputs */
#define A_EXTOUT_FRONT_L      0x00  /* digital front left */
#define A_EXTOUT_FRONT_R      0x01  /*               right */
#define A_EXTOUT_CENTER       0x02  /* digital front center */
#define A_EXTOUT_LFE          0x03  /* digital front lfe */
#define A_EXTOUT_HEADPHONE_L  0x04  /* headphone audigy drive left */
#define A_EXTOUT_HEADPHONE_R  0x05  /*                        right */
#define A_EXTOUT_REAR_L       0x06  /* digital rear left */
#define A_EXTOUT_REAR_R       0x07  /*              right */
#define A_EXTOUT_AFRONT_L     0x08  /* analog front left */
#define A_EXTOUT_AFRONT_R     0x09  /*              right */
#define A_EXTOUT_ACENTER      0x0a  /* analog center */
#define A_EXTOUT_ALFE         0x0b  /* analog LFE */
#define A_EXTOUT_ASIDE_L      0x0c  /* analog side left  - Audigy 2 ZS */
#define A_EXTOUT_ASIDE_R      0x0d  /*             right - Audigy 2 ZS */
#define A_EXTOUT_AREAR_L      0x0e  /* analog rear left */
#define A_EXTOUT_AREAR_R      0x0f  /*             right */
#define A_EXTOUT_AC97_L       0x10  /* AC97 left (front) */
#define A_EXTOUT_AC97_R       0x11  /*      right */
#define A_EXTOUT_ADC_CAP_L    0x16  /* ADC capture buffer left */
#define A_EXTOUT_ADC_CAP_R    0x17  /*                    right */
#define A_EXTOUT_MIC_CAP      0x18  /* Mic capture buffer */

/* Audigy constants */
#define A_C_00000000    0xc0
#define A_C_00000001    0xc1
#define A_C_00000002    0xc2
#define A_C_00000003    0xc3
#define A_C_00000004    0xc4
#define A_C_00000008    0xc5
#define A_C_00000010    0xc6
#define A_C_00000020    0xc7
#define A_C_00000100    0xc8
#define A_C_00010000    0xc9
#define A_C_00000800    0xca
#define A_C_10000000    0xcb
#define A_C_20000000    0xcc
#define A_C_40000000    0xcd
#define A_C_80000000    0xce
#define A_C_7fffffff    0xcf
#define A_C_ffffffff    0xd0
#define A_C_fffffffe    0xd1
#define A_C_c0000000    0xd2
#define A_C_4f1bbcdc    0xd3
#define A_C_5a7ef9db    0xd4
#define A_C_00100000    0xd5
#define A_GPR_ACCU      0xd6        /* ACCUM, accumulator */
#define A_GPR_COND      0xd7        /* CCR, condition register */
#define A_GPR_NOISE0    0xd8        /* noise source */
#define A_GPR_NOISE1    0xd9        /* noise source */
#define A_GPR_IRQ 0xda        /* IRQ register */
#define A_GPR_DBAC      0xdb        /* TRAM Delay Base Address Counter - internal */
#define A_GPR_DBACE     0xde        /* TRAM Delay Base Address Counter - external */

/* definitions for debug register */
#define EMU10K1_DBG_ZC              0x80000000  /* zero tram counter */
#define EMU10K1_DBG_SATURATION_OCCURED    0x02000000  /* saturation control */
#define EMU10K1_DBG_SATURATION_ADDR 0x01ff0000  /* saturation address */
#define EMU10K1_DBG_SINGLE_STEP           0x00008000  /* single step mode */
#define EMU10K1_DBG_STEP            0x00004000  /* start single step */
#define EMU10K1_DBG_CONDITION_CODE  0x00003e00  /* condition code */
#define EMU10K1_DBG_SINGLE_STEP_ADDR      0x000001ff  /* single step address */

/* tank memory address line */
#ifndef __KERNEL__
#define TANKMEMADDRREG_ADDR_MASK 0x000fffff     /* 20 bit tank address field              */
#define TANKMEMADDRREG_CLEAR   0x00800000 /* Clear tank memory                      */
#define TANKMEMADDRREG_ALIGN   0x00400000 /* Align read or write relative to tank access  */
#define TANKMEMADDRREG_WRITE   0x00200000 /* Write to tank memory                   */
#define TANKMEMADDRREG_READ    0x00100000 /* Read from tank memory                  */
#endif

typedef struct {
      unsigned int card;                  /* card type */
      unsigned int internal_tram_size;    /* in samples */
      unsigned int external_tram_size;    /* in samples */
      char fxbus_names[16][32];           /* names of FXBUSes */
      char extin_names[16][32];           /* names of external inputs */
      char extout_names[32][32];          /* names of external outputs */
      unsigned int gpr_controls;          /* count of GPR controls */
} emu10k1_fx8010_info_t;

#define EMU10K1_GPR_TRANSLATION_NONE            0
#define EMU10K1_GPR_TRANSLATION_TABLE100  1
#define EMU10K1_GPR_TRANSLATION_BASS            2
#define EMU10K1_GPR_TRANSLATION_TREBLE          3
#define EMU10K1_GPR_TRANSLATION_ONOFF           4

typedef struct {
      snd_ctl_elem_id_t id;         /* full control ID definition */
      unsigned int vcount;          /* visible count */
      unsigned int count;           /* count of GPR (1..16) */
      unsigned short gpr[32];       /* GPR number(s) */
      unsigned int value[32];       /* initial values */
      unsigned int min;       /* minimum range */
      unsigned int max;       /* maximum range */
      unsigned int translation;     /* translation type (EMU10K1_GPR_TRANSLATION*) */
} emu10k1_fx8010_control_gpr_t;

typedef struct {
      char name[128];

      DECLARE_BITMAP(gpr_valid, 0x200); /* bitmask of valid initializers */
      u_int32_t __user *gpr_map;      /* initializers */

      unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */
      emu10k1_fx8010_control_gpr_t __user *gpr_add_controls; /* GPR controls to add/replace */

      unsigned int gpr_del_control_count; /* count of GPR controls to remove */
      snd_ctl_elem_id_t __user *gpr_del_controls; /* IDs of GPR controls to remove */

      unsigned int gpr_list_control_count; /* count of GPR controls to list */
      unsigned int gpr_list_control_total; /* total count of GPR controls */
      emu10k1_fx8010_control_gpr_t __user *gpr_list_controls; /* listed GPR controls */

      DECLARE_BITMAP(tram_valid, 0x100); /* bitmask of valid initializers */
      u_int32_t __user *tram_data_map;  /* data initializers */
      u_int32_t __user *tram_addr_map;  /* map initializers */

      DECLARE_BITMAP(code_valid, 1024); /* bitmask of valid instructions */
      u_int32_t __user *code;         /* one instruction - 64 bits */
} emu10k1_fx8010_code_t;

typedef struct {
      unsigned int address;         /* 31.bit == 1 -> external TRAM */
      unsigned int size;            /* size in samples (4 bytes) */
      unsigned int *samples;        /* pointer to samples (20-bit) */
                              /* NULL->clear memory */
} emu10k1_fx8010_tram_t;

typedef struct {
      unsigned int substream;       /* substream number */
      unsigned int res1;            /* reserved */
      unsigned int channels;        /* 16-bit channels count, zero = remove this substream */
      unsigned int tram_start;      /* ring buffer position in TRAM (in samples) */
      unsigned int buffer_size;     /* count of buffered samples */
      unsigned short gpr_size;            /* GPR containing size of ringbuffer in samples (host) */
      unsigned short gpr_ptr;       /* GPR containing current pointer in the ring buffer (host = reset, FX8010) */
      unsigned short gpr_count;     /* GPR containing count of samples between two interrupts (host) */
      unsigned short gpr_tmpcount;  /* GPR containing current count of samples to interrupt (host = set, FX8010) */
      unsigned short gpr_trigger;   /* GPR containing trigger (activate) information (host) */
      unsigned short gpr_running;   /* GPR containing info if PCM is running (FX8010) */
      unsigned char pad;            /* reserved */
      unsigned char etram[32];      /* external TRAM address & data (one per channel) */
      unsigned int res2;            /* reserved */
} emu10k1_fx8010_pcm_t;

#define SNDRV_EMU10K1_IOCTL_INFO    _IOR ('H', 0x10, emu10k1_fx8010_info_t)
#define SNDRV_EMU10K1_IOCTL_CODE_POKE     _IOW ('H', 0x11, emu10k1_fx8010_code_t)
#define SNDRV_EMU10K1_IOCTL_CODE_PEEK     _IOWR('H', 0x12, emu10k1_fx8010_code_t)
#define SNDRV_EMU10K1_IOCTL_TRAM_SETUP    _IOW ('H', 0x20, int)
#define SNDRV_EMU10K1_IOCTL_TRAM_POKE     _IOW ('H', 0x21, emu10k1_fx8010_tram_t)
#define SNDRV_EMU10K1_IOCTL_TRAM_PEEK     _IOWR('H', 0x22, emu10k1_fx8010_tram_t)
#define SNDRV_EMU10K1_IOCTL_PCM_POKE      _IOW ('H', 0x30, emu10k1_fx8010_pcm_t)
#define SNDRV_EMU10K1_IOCTL_PCM_PEEK      _IOWR('H', 0x31, emu10k1_fx8010_pcm_t)
#define SNDRV_EMU10K1_IOCTL_STOP    _IO  ('H', 0x80)
#define SNDRV_EMU10K1_IOCTL_CONTINUE      _IO  ('H', 0x81)
#define SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER _IO ('H', 0x82)
#define SNDRV_EMU10K1_IOCTL_SINGLE_STEP   _IOW ('H', 0x83, int)
#define SNDRV_EMU10K1_IOCTL_DBG_READ      _IOR ('H', 0x84, int)

#endif      /* __SOUND_EMU10K1_H */

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