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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
* Creative Labs, Inc.
* Definitions for EMU10K1 (SB Live!) chips
*/
#ifndef __SOUND_EMU10K1_H
#define __SOUND_EMU10K1_H
#ifdef __linux__
#include <linux/types.h>
#endif
/*
* ---- FX8010 ----
*/
#define EMU10K1_FX8010_PCM_COUNT 8
/*
* Following definition is copied from linux/types.h to support compiling
* this header file in userspace since they are not generally available for
* uapi headers.
*/
#define __EMU10K1_DECLARE_BITMAP(name,bits) \
unsigned long name[(bits) / (sizeof(unsigned long) * 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) */
#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 Soundcards have a different instruction format */
#define A_LOWORD_OPX_MASK 0x007ff000
#define A_LOWORD_OPY_MASK 0x000007ff
#define A_HIWORD_OPCODE_MASK 0x0f000000
#define A_HIWORD_RESULT_MASK 0x007ff000
#define A_HIWORD_OPA_MASK 0x000007ff
/* 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 physical outs -> FXWC low 16 bits */
#define FXBUS2(x) (0x30 + (x)) /* x = 0x00 - 0x0f copies of fx buses for capture -> FXWC high 16 bits */
/* NB: 0x31 and 0x32 are shared with Center/LFE on SB live 5.1 */
#define A_FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x3f FX buses */
#define A_EXTIN(x) (0x40 + (x)) /* x = 0x00 - 0x0f physical ins */
#define A_P16VIN(x) (0x50 + (x)) /* x = 0x00 - 0x0f p16v ins (A2 only) "EMU32 inputs" */
#define A_EXTOUT(x) (0x60 + (x)) /* x = 0x00 - 0x1f physical outs -> A_FXWC1 0x79-7f unknown */
#define A_FXBUS2(x) (0x80 + (x)) /* x = 0x00 - 0x1f extra outs used for EFX capture -> A_FXWC2 */
#define A_EMU32OUTH(x) (0xa0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_10 - _1F" */
#define A_EMU32OUTL(x) (0xb0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_01 - _0F" */
#define A3_EMU32IN(x) (0x160 + (x)) /* x = 0x00 - 0x1f "EMU32_IN_00 - _1F" - Only when .device = 0x0008 */
#define A3_EMU32OUT(x) (0x1E0 + (x)) /* x = 0x00 - 0x1f "EMU32_OUT_00 - _1F" - Only when .device = 0x0008 */
#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 */
/* 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 */
/* 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 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_GPR(x) (A_FXGPREGBASE + (x))
#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 */
/* 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
#define A_CC_REG_NORMALIZED A_C_00000001
#define A_CC_REG_BORROW A_C_00000002
#define A_CC_REG_MINUS A_C_00000004
#define A_CC_REG_ZERO A_C_00000008
#define A_CC_REG_SATURATE A_C_00000010
#define A_CC_REG_NONZERO A_C_00000100
/* FX buses */
// These are arbitrary mappings; our DSP code simply expects
// the config files to route the channels this way.
// The numbers are documented in {audigy,sb-live}-mixer.rst.
#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 */
/* Definitions for debug register. Note that these are for emu10k1 ONLY. */
#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 */
/* Definitions for emu10k2 debug register. */
#define A_DBG_ZC 0x40000000 /* zero tram counter */
#define A_DBG_SATURATION_OCCURED 0x20000000
#define A_DBG_SATURATION_ADDR 0x0ffc0000
#define A_DBG_SINGLE_STEP 0x00020000 /* Set to zero to start dsp */
#define A_DBG_STEP 0x00010000
#define A_DBG_CONDITION_CODE 0x0000f800
#define A_DBG_STEP_ADDR 0x000003ff
struct snd_emu10k1_fx8010_info {
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 */
};
#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
enum emu10k1_ctl_elem_iface {
EMU10K1_CTL_ELEM_IFACE_MIXER = 2, /* virtual mixer device */
EMU10K1_CTL_ELEM_IFACE_PCM = 3, /* PCM device */
};
struct emu10k1_ctl_elem_id {
unsigned int pad; /* don't use */
int iface; /* interface identifier */
unsigned int device; /* device/client number */
unsigned int subdevice; /* subdevice (substream) number */
unsigned char name[44]; /* ASCII name of item */
unsigned int index; /* index of item */
};
struct snd_emu10k1_fx8010_control_gpr {
struct emu10k1_ctl_elem_id 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*) */
const unsigned int *tlv;
};
/* old ABI without TLV support */
struct snd_emu10k1_fx8010_control_old_gpr {
struct emu10k1_ctl_elem_id id;
unsigned int vcount;
unsigned int count;
unsigned short gpr[32];
unsigned int value[32];
unsigned int min;
unsigned int max;
unsigned int translation;
};
struct snd_emu10k1_fx8010_code {
char name[128];
__EMU10K1_DECLARE_BITMAP(gpr_valid, 0x200); /* bitmask of valid initializers */
__u32 *gpr_map; /* initializers */
unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */
struct snd_emu10k1_fx8010_control_gpr *gpr_add_controls; /* GPR controls to add/replace */
unsigned int gpr_del_control_count; /* count of GPR controls to remove */
struct emu10k1_ctl_elem_id *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 */
struct snd_emu10k1_fx8010_control_gpr *gpr_list_controls; /* listed GPR controls */
__EMU10K1_DECLARE_BITMAP(tram_valid, 0x100); /* bitmask of valid initializers */
__u32 *tram_data_map; /* data initializers */
__u32 *tram_addr_map; /* map initializers */
__EMU10K1_DECLARE_BITMAP(code_valid, 1024); /* bitmask of valid instructions */
__u32 *code; /* one instruction - 64 bits */
};
struct snd_emu10k1_fx8010_tram {
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 */
};
struct snd_emu10k1_fx8010_pcm_rec {
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 */
};
#define SNDRV_EMU10K1_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
#define SNDRV_EMU10K1_IOCTL_INFO _IOR ('H', 0x10, struct snd_emu10k1_fx8010_info)
#define SNDRV_EMU10K1_IOCTL_CODE_POKE _IOW ('H', 0x11, struct snd_emu10k1_fx8010_code)
#define SNDRV_EMU10K1_IOCTL_CODE_PEEK _IOWR('H', 0x12, struct snd_emu10k1_fx8010_code)
#define SNDRV_EMU10K1_IOCTL_TRAM_SETUP _IOW ('H', 0x20, int)
#define SNDRV_EMU10K1_IOCTL_TRAM_POKE _IOW ('H', 0x21, struct snd_emu10k1_fx8010_tram)
#define SNDRV_EMU10K1_IOCTL_TRAM_PEEK _IOWR('H', 0x22, struct snd_emu10k1_fx8010_tram)
#define SNDRV_EMU10K1_IOCTL_PCM_POKE _IOW ('H', 0x30, struct snd_emu10k1_fx8010_pcm_rec)
#define SNDRV_EMU10K1_IOCTL_PCM_PEEK _IOWR('H', 0x31, struct snd_emu10k1_fx8010_pcm_rec)
#define SNDRV_EMU10K1_IOCTL_PVERSION _IOR ('H', 0x40, int)
#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 */