/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SOUND_FIREWIRE_DICE_INTERFACE_H_INCLUDED
#define SOUND_FIREWIRE_DICE_INTERFACE_H_INCLUDED
/*
* DICE device interface definitions
*/
/*
* Generally , all registers can be read like memory , i . e . , with quadlet read or
* block read transactions with at least quadlet - aligned offset and length .
* Writes are not allowed except where noted ; quadlet - sized registers must be
* written with a quadlet write transaction .
*
* All values are in big endian . The DICE firmware runs on a little - endian CPU
* and just byte - swaps _ all_ quadlets on the bus , so values without endianness
* ( e . g . strings ) get scrambled and must be byte - swapped again by the driver .
*/
/*
* Streaming is handled by the " DICE driver " interface . Its registers are
* located in this private address space .
*/
#define DICE_PRIVATE_SPACE 0 xffffe0000000uLL
/*
* The registers are organized in several sections , which are organized
* separately to allow them to be extended individually . Whether a register is
* supported can be detected by checking its offset against its section ' s size .
*
* The section offset values are relative to DICE_PRIVATE_SPACE ; the offset /
* size values are measured in quadlets . Read - only .
*/
#define DICE_GLOBAL_OFFSET 0 x00
#define DICE_GLOBAL_SIZE 0 x04
#define DICE_TX_OFFSET 0 x08
#define DICE_TX_SIZE 0 x0c
#define DICE_RX_OFFSET 0 x10
#define DICE_RX_SIZE 0 x14
#define DICE_EXT_SYNC_OFFSET 0 x18
#define DICE_EXT_SYNC_SIZE 0 x1c
#define DICE_UNUSED2_OFFSET 0 x20
#define DICE_UNUSED2_SIZE 0 x24
/*
* Global settings .
*/
/*
* Stores the full 64 - bit address ( node ID and offset in the node ' s address
* space ) where the device will send notifications . Must be changed with
* a compare / swap transaction by the owner . This register is automatically
* cleared on a bus reset .
*/
#define GLOBAL_OWNER 0 x000
#define OWNER_NO_OWNER 0 xffff000000000000uLL
#define OWNER_NODE_SHIFT 48
/*
* A bitmask with asynchronous events ; read - only . When any event ( s ) happen ,
* the bits of previous events are cleared , and the value of this register is
* also written to the address stored in the owner register .
*/
#define GLOBAL_NOTIFICATION 0 x008
/* Some registers in the Rx/Tx sections may have changed. */
#define NOTIFY_RX_CFG_CHG 0 x00000001
#define NOTIFY_TX_CFG_CHG 0 x00000002
/* Lock status of the current clock source may have changed. */
#define NOTIFY_LOCK_CHG 0 x00000010
/* Write to the clock select register has been finished. */
#define NOTIFY_CLOCK_ACCEPTED 0 x00000020
/* Lock status of some clock source has changed. */
#define NOTIFY_EXT_STATUS 0 x00000040
/* Other bits may be used for device-specific events. */
/*
* A name that can be customized for each device ; read / write . Padded with zero
* bytes . Quadlets are byte - swapped . The encoding is whatever the host driver
* happens to be using .
*/
#define GLOBAL_NICK_NAME 0 x00c
#define NICK_NAME_SIZE 64
/*
* The current sample rate and clock source ; read / write . Whether a clock
* source or sample rate is supported is device - specific ; the internal clock
* source is always available . Low / mid / high = up to 48 / 96 / 192 kHz . This
* register can be changed even while streams are running .
*/
#define GLOBAL_CLOCK_SELECT 0 x04c
#define CLOCK_SOURCE_MASK 0 x000000ff
#define CLOCK_SOURCE_AES1 0 x00000000
#define CLOCK_SOURCE_AES2 0 x00000001
#define CLOCK_SOURCE_AES3 0 x00000002
#define CLOCK_SOURCE_AES4 0 x00000003
#define CLOCK_SOURCE_AES_ANY 0 x00000004
#define CLOCK_SOURCE_ADAT 0 x00000005
#define CLOCK_SOURCE_TDIF 0 x00000006
#define CLOCK_SOURCE_WC 0 x00000007
#define CLOCK_SOURCE_ARX1 0 x00000008
#define CLOCK_SOURCE_ARX2 0 x00000009
#define CLOCK_SOURCE_ARX3 0 x0000000a
#define CLOCK_SOURCE_ARX4 0 x0000000b
#define CLOCK_SOURCE_INTERNAL 0 x0000000c
#define CLOCK_RATE_MASK 0 x0000ff00
#define CLOCK_RATE_32000 0 x00000000
#define CLOCK_RATE_44100 0 x00000100
#define CLOCK_RATE_48000 0 x00000200
#define CLOCK_RATE_88200 0 x00000300
#define CLOCK_RATE_96000 0 x00000400
#define CLOCK_RATE_176400 0 x00000500
#define CLOCK_RATE_192000 0 x00000600
#define CLOCK_RATE_ANY_LOW 0 x00000700
#define CLOCK_RATE_ANY_MID 0 x00000800
#define CLOCK_RATE_ANY_HIGH 0 x00000900
#define CLOCK_RATE_NONE 0 x00000a00
#define CLOCK_RATE_SHIFT 8
/*
* Enable streaming ; read / write . Writing a non - zero value ( re ) starts all
* streams that have a valid iso channel set ; zero stops all streams . The
* streams ' parameters must be configured before starting . This register is
* automatically cleared on a bus reset .
*/
#define GLOBAL_ENABLE 0 x050
/*
* Status of the sample clock ; read - only .
*/
#define GLOBAL_STATUS 0 x054
/* The current clock source is locked. */
#define STATUS_SOURCE_LOCKED 0 x00000001
/* The actual sample rate; CLOCK_RATE_32000-_192000 or _NONE. */
#define STATUS_NOMINAL_RATE_MASK 0 x0000ff00
/*
* Status of all clock sources ; read - only .
*/
#define GLOBAL_EXTENDED_STATUS 0 x058
/*
* The _ LOCKED bits always show the current status ; any change generates
* a notification .
*/
#define EXT_STATUS_AES1_LOCKED 0 x00000001
#define EXT_STATUS_AES2_LOCKED 0 x00000002
#define EXT_STATUS_AES3_LOCKED 0 x00000004
#define EXT_STATUS_AES4_LOCKED 0 x00000008
#define EXT_STATUS_ADAT_LOCKED 0 x00000010
#define EXT_STATUS_TDIF_LOCKED 0 x00000020
#define EXT_STATUS_ARX1_LOCKED 0 x00000040
#define EXT_STATUS_ARX2_LOCKED 0 x00000080
#define EXT_STATUS_ARX3_LOCKED 0 x00000100
#define EXT_STATUS_ARX4_LOCKED 0 x00000200
#define EXT_STATUS_WC_LOCKED 0 x00000400
/*
* The _ SLIP bits do not generate notifications ; a set bit indicates that an
* error occurred since the last time when this register was read with
* a quadlet read transaction .
*/
#define EXT_STATUS_AES1_SLIP 0 x00010000
#define EXT_STATUS_AES2_SLIP 0 x00020000
#define EXT_STATUS_AES3_SLIP 0 x00040000
#define EXT_STATUS_AES4_SLIP 0 x00080000
#define EXT_STATUS_ADAT_SLIP 0 x00100000
#define EXT_STATUS_TDIF_SLIP 0 x00200000
#define EXT_STATUS_ARX1_SLIP 0 x00400000
#define EXT_STATUS_ARX2_SLIP 0 x00800000
#define EXT_STATUS_ARX3_SLIP 0 x01000000
#define EXT_STATUS_ARX4_SLIP 0 x02000000
#define EXT_STATUS_WC_SLIP 0 x04000000
/*
* The measured rate of the current clock source , in Hz ; read - only .
*/
#define GLOBAL_SAMPLE_RATE 0 x05c
/*
* Some old firmware versions do not have the following global registers .
* Windows drivers produced by TCAT lost backward compatibility in its
* early release because they can handle firmware only which supports the
* following registers .
*/
/*
* The version of the DICE driver specification that this device conforms to ;
* read - only .
*/
#define GLOBAL_VERSION 0 x060
/*
* Supported sample rates and clock sources ; read - only .
*/
#define GLOBAL_CLOCK_CAPABILITIES 0 x064
#define CLOCK_CAP_RATE_32000 0 x00000001
#define CLOCK_CAP_RATE_44100 0 x00000002
#define CLOCK_CAP_RATE_48000 0 x00000004
#define CLOCK_CAP_RATE_88200 0 x00000008
#define CLOCK_CAP_RATE_96000 0 x00000010
#define CLOCK_CAP_RATE_176400 0 x00000020
#define CLOCK_CAP_RATE_192000 0 x00000040
#define CLOCK_CAP_SOURCE_AES1 0 x00010000
#define CLOCK_CAP_SOURCE_AES2 0 x00020000
#define CLOCK_CAP_SOURCE_AES3 0 x00040000
#define CLOCK_CAP_SOURCE_AES4 0 x00080000
#define CLOCK_CAP_SOURCE_AES_ANY 0 x00100000
#define CLOCK_CAP_SOURCE_ADAT 0 x00200000
#define CLOCK_CAP_SOURCE_TDIF 0 x00400000
#define CLOCK_CAP_SOURCE_WC 0 x00800000
#define CLOCK_CAP_SOURCE_ARX1 0 x01000000
#define CLOCK_CAP_SOURCE_ARX2 0 x02000000
#define CLOCK_CAP_SOURCE_ARX3 0 x04000000
#define CLOCK_CAP_SOURCE_ARX4 0 x08000000
#define CLOCK_CAP_SOURCE_INTERNAL 0 x10000000
/*
* Names of all clock sources ; read - only . Quadlets are byte - swapped . Names
* are separated with one backslash , the list is terminated with two
* backslashes . Unused clock sources are included .
*/
#define GLOBAL_CLOCK_SOURCE_NAMES 0 x068
#define CLOCK_SOURCE_NAMES_SIZE 256
/*
* Capture stream settings . This section includes the number / size registers
* and the registers of all streams .
*/
/*
* The number of supported capture streams ; read - only .
*/
#define TX_NUMBER 0 x000
/*
* The size of one stream ' s register block , in quadlets ; read - only . The
* registers of the first stream follow immediately afterwards ; the registers
* of the following streams are offset by this register ' s value .
*/
#define TX_SIZE 0 x004
/*
* The isochronous channel number on which packets are sent , or - 1 if the
* stream is not to be used ; read / write .
*/
#define TX_ISOCHRONOUS 0 x008
/*
* The number of audio channels ; read - only . There will be one quadlet per
* channel ; the first channel is the first quadlet in a data block .
*/
#define TX_NUMBER_AUDIO 0 x00c
/*
* The number of MIDI ports , 0 - 8 ; read - only . If > 0 , there will be one
* additional quadlet in each data block , following the audio quadlets .
*/
#define TX_NUMBER_MIDI 0 x010
/*
* The speed at which the packets are sent , SCODE_100 - _ 400 ; read / write .
* SCODE_800 is only available in Dice III .
*/
#define TX_SPEED 0 x014
/*
* Names of all audio channels ; read - only . Quadlets are byte - swapped . Names
* are separated with one backslash , the list is terminated with two
* backslashes .
*/
#define TX_NAMES 0 x018
#define TX_NAMES_SIZE 256
/*
* Audio IEC60958 capabilities ; read - only . Bitmask with one bit per audio
* channel .
*/
#define TX_AC3_CAPABILITIES 0 x118
/*
* Send audio data with IEC60958 label ; read / write . Bitmask with one bit per
* audio channel . This register can be changed even while the stream is
* running .
*/
#define TX_AC3_ENABLE 0 x11c
/*
* Playback stream settings . This section includes the number / size registers
* and the registers of all streams .
*/
/*
* The number of supported playback streams ; read - only .
*/
#define RX_NUMBER 0 x000
/*
* The size of one stream ' s register block , in quadlets ; read - only . The
* registers of the first stream follow immediately afterwards ; the registers
* of the following streams are offset by this register ' s value .
*/
#define RX_SIZE 0 x004
/*
* The isochronous channel number on which packets are received , or - 1 if the
* stream is not to be used ; read / write .
*/
#define RX_ISOCHRONOUS 0 x008
/*
* Index of first quadlet to be interpreted ; read / write . If > 0 , that many
* quadlets at the beginning of each data block will be ignored , and all the
* audio and MIDI quadlets will follow .
*/
#define RX_SEQ_START 0 x00c
/*
* The number of audio channels ; read - only . There will be one quadlet per
* channel .
*/
#define RX_NUMBER_AUDIO 0 x010
/*
* The number of MIDI ports , 0 - 8 ; read - only . If > 0 , there will be one
* additional quadlet in each data block , following the audio quadlets .
*/
#define RX_NUMBER_MIDI 0 x014
/*
* Names of all audio channels ; read - only . Quadlets are byte - swapped . Names
* are separated with one backslash , the list is terminated with two
* backslashes .
*/
#define RX_NAMES 0 x018
#define RX_NAMES_SIZE 256
/*
* Audio IEC60958 capabilities ; read - only . Bitmask with one bit per audio
* channel .
*/
#define RX_AC3_CAPABILITIES 0 x118
/*
* Receive audio data with IEC60958 label ; read / write . Bitmask with one bit
* per audio channel . This register can be changed even while the stream is
* running .
*/
#define RX_AC3_ENABLE 0 x11c
/*
* Extended synchronization information .
* This section can be read completely with a block read request .
*/
/*
* Current clock source ; read - only .
*/
#define EXT_SYNC_CLOCK_SOURCE 0 x000
/*
* Clock source is locked ( boolean ) ; read - only .
*/
#define EXT_SYNC_LOCKED 0 x004
/*
* Current sample rate ( CLOCK_RATE_ * > > CLOCK_RATE_SHIFT ) , _ 32000 - _ 192000 or
* _ NONE ; read - only .
*/
#define EXT_SYNC_RATE 0 x008
/*
* ADAT user data bits ; read - only .
*/
#define EXT_SYNC_ADAT_USER_DATA 0 x00c
/* The data bits, if available. */
#define ADAT_USER_DATA_MASK 0 x0f
/* The data bits are not available. */
#define ADAT_USER_DATA_NO_DATA 0 x10
#endif
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