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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_WAVEFRONT_H__
+#define __SOUND_WAVEFRONT_H__
+
+/*
+ * Driver for Turtle Beach Wavefront cards (Maui,Tropez,Tropez+)
+ *
+ * Copyright (c) by Paul Barton-Davis <pbd@op.net>
+ */
+
+#if (!defined(__GNUC__) && !defined(__GNUG__))
+
+ You will not be able to compile this file correctly without gcc, because
+ it is necessary to pack the "wavefront_alias" structure to a size
+ of 22 bytes, corresponding to 16-bit alignment (as would have been
+ the case on the original platform, MS-DOS). If this is not done,
+ then WavePatch-format files cannot be read/written correctly.
+ The method used to do this here ("__attribute__((packed)") is
+ completely compiler dependent.
+
+ All other wavefront_* types end up aligned to 32 bit values and
+ still have the same (correct) size.
+
+#else
+
+ /* However, note that as of G++ 2.7.3.2, g++ was unable to
+ correctly parse *type* __attribute__ tags. It will do the
+ right thing if we use the "packed" attribute on each struct
+ member, which has the same semantics anyway.
+ */
+
+#endif /* __GNUC__ */
+
+/***************************** WARNING ********************************
+ PLEASE DO NOT MODIFY THIS FILE IN ANY WAY THAT AFFECTS ITS ABILITY TO
+ BE USED WITH EITHER C *OR* C++.
+ **********************************************************************/
+
+#ifndef NUM_MIDIKEYS
+#define NUM_MIDIKEYS 128
+#endif /* NUM_MIDIKEYS */
+
+#ifndef NUM_MIDICHANNELS
+#define NUM_MIDICHANNELS 16
+#endif /* NUM_MIDICHANNELS */
+
+/* These are very useful/important. the original wavefront interface
+ was developed on a 16 bit system, where sizeof(int) = 2
+ bytes. Defining things like this makes the code much more portable, and
+ easier to understand without having to toggle back and forth
+ between a 16-bit view of the world and a 32-bit one.
+ */
+
+#ifndef __KERNEL__
+/* keep them for compatibility */
+typedef short s16;
+typedef unsigned short u16;
+typedef int s32;
+typedef unsigned int u32;
+typedef char s8;
+typedef unsigned char u8;
+typedef s16 INT16;
+typedef u16 UINT16;
+typedef s32 INT32;
+typedef u32 UINT32;
+typedef s8 CHAR8;
+typedef u8 UCHAR8;
+#endif
+
+/* Pseudo-commands not part of the WaveFront command set.
+ These are used for various driver controls and direct
+ hardware control.
+ */
+
+#define WFC_DEBUG_DRIVER 0
+#define WFC_FX_IOCTL 1
+#define WFC_PATCH_STATUS 2
+#define WFC_PROGRAM_STATUS 3
+#define WFC_SAMPLE_STATUS 4
+#define WFC_DISABLE_INTERRUPTS 5
+#define WFC_ENABLE_INTERRUPTS 6
+#define WFC_INTERRUPT_STATUS 7
+#define WFC_ROMSAMPLES_RDONLY 8
+#define WFC_IDENTIFY_SLOT_TYPE 9
+
+/* Wavefront synth commands
+ */
+
+#define WFC_DOWNLOAD_SAMPLE 0x80
+#define WFC_DOWNLOAD_BLOCK 0x81
+#define WFC_DOWNLOAD_MULTISAMPLE 0x82
+#define WFC_DOWNLOAD_SAMPLE_ALIAS 0x83
+#define WFC_DELETE_SAMPLE 0x84
+#define WFC_REPORT_FREE_MEMORY 0x85
+#define WFC_DOWNLOAD_PATCH 0x86
+#define WFC_DOWNLOAD_PROGRAM 0x87
+#define WFC_SET_SYNTHVOL 0x89
+#define WFC_SET_NVOICES 0x8B
+#define WFC_DOWNLOAD_DRUM 0x90
+#define WFC_GET_SYNTHVOL 0x92
+#define WFC_GET_NVOICES 0x94
+#define WFC_DISABLE_CHANNEL 0x9A
+#define WFC_ENABLE_CHANNEL 0x9B
+#define WFC_MISYNTH_OFF 0x9D
+#define WFC_MISYNTH_ON 0x9E
+#define WFC_FIRMWARE_VERSION 0x9F
+#define WFC_GET_NSAMPLES 0xA0
+#define WFC_DISABLE_DRUM_PROGRAM 0xA2
+#define WFC_UPLOAD_PATCH 0xA3
+#define WFC_UPLOAD_PROGRAM 0xA4
+#define WFC_SET_TUNING 0xA6
+#define WFC_GET_TUNING 0xA7
+#define WFC_VMIDI_ON 0xA8
+#define WFC_VMIDI_OFF 0xA9
+#define WFC_MIDI_STATUS 0xAA
+#define WFC_GET_CHANNEL_STATUS 0xAB
+#define WFC_DOWNLOAD_SAMPLE_HEADER 0xAC
+#define WFC_UPLOAD_SAMPLE_HEADER 0xAD
+#define WFC_UPLOAD_MULTISAMPLE 0xAE
+#define WFC_UPLOAD_SAMPLE_ALIAS 0xAF
+#define WFC_IDENTIFY_SAMPLE_TYPE 0xB0
+#define WFC_DOWNLOAD_EDRUM_PROGRAM 0xB1
+#define WFC_UPLOAD_EDRUM_PROGRAM 0xB2
+#define WFC_SET_EDRUM_CHANNEL 0xB3
+#define WFC_INSTOUT_LEVELS 0xB4
+#define WFC_PEAKOUT_LEVELS 0xB5
+#define WFC_REPORT_CHANNEL_PROGRAMS 0xB6
+#define WFC_HARDWARE_VERSION 0xCF
+#define WFC_UPLOAD_SAMPLE_PARAMS 0xD7
+#define WFC_DOWNLOAD_OS 0xF1
+#define WFC_NOOP 0xFF
+
+#define WF_MAX_SAMPLE 512
+#define WF_MAX_PATCH 256
+#define WF_MAX_PROGRAM 128
+
+#define WF_SECTION_MAX 44 /* longest OS section length */
+
+/* # of bytes we send to the board when sending it various kinds of
+ substantive data, such as samples, patches and programs.
+*/
+
+#define WF_PROGRAM_BYTES 32
+#define WF_PATCH_BYTES 132
+#define WF_SAMPLE_BYTES 27
+#define WF_SAMPLE_HDR_BYTES 25
+#define WF_ALIAS_BYTES 25
+#define WF_DRUM_BYTES 9
+#define WF_MSAMPLE_BYTES 259 /* (MIDI_KEYS * 2) + 3 */
+
+#define WF_ACK 0x80
+#define WF_DMA_ACK 0x81
+
+/* OR-values for MIDI status bits */
+
+#define WF_MIDI_VIRTUAL_ENABLED 0x1
+#define WF_MIDI_VIRTUAL_IS_EXTERNAL 0x2
+#define WF_MIDI_IN_TO_SYNTH_DISABLED 0x4
+
+/* slot indexes for struct address_info: makes code a little more mnemonic */
+
+#define WF_SYNTH_SLOT 0
+#define WF_INTERNAL_MIDI_SLOT 1
+#define WF_EXTERNAL_MIDI_SLOT 2
+
+/* Magic MIDI bytes used to switch I/O streams on the ICS2115 MPU401
+ emulation. Note these NEVER show up in output from the device and
+ should NEVER be used in input unless Virtual MIDI mode has been
+ disabled. If they do show up as input, the results are unpredictable.
+*/
+
+#define WF_EXTERNAL_SWITCH 0xFD
+#define WF_INTERNAL_SWITCH 0xF9
+
+/* Debugging flags */
+
+#define WF_DEBUG_CMD 0x1
+#define WF_DEBUG_DATA 0x2
+#define WF_DEBUG_LOAD_PATCH 0x4
+#define WF_DEBUG_IO 0x8
+
+/* WavePatch file format stuff */
+
+#define WF_WAVEPATCH_VERSION 120; /* Current version number (1.2) */
+#define WF_MAX_COMMENT 64 /* Comment length */
+#define WF_NUM_LAYERS 4
+#define WF_NAME_LENGTH 32
+#define WF_SOURCE_LENGTH 260
+
+#define BankFileID "Bank"
+#define DrumkitFileID "DrumKit"
+#define ProgramFileID "Program"
+
+struct wf_envelope
+{
+ u8 attack_time:7;
+ u8 Unused1:1;
+
+ u8 decay1_time:7;
+ u8 Unused2:1;
+
+ u8 decay2_time:7;
+ u8 Unused3:1;
+
+ u8 sustain_time:7;
+ u8 Unused4:1;
+
+ u8 release_time:7;
+ u8 Unused5:1;
+
+ u8 release2_time:7;
+ u8 Unused6:1;
+
+ s8 attack_level;
+ s8 decay1_level;
+ s8 decay2_level;
+ s8 sustain_level;
+ s8 release_level;
+
+ u8 attack_velocity:7;
+ u8 Unused7:1;
+
+ u8 volume_velocity:7;
+ u8 Unused8:1;
+
+ u8 keyboard_scaling:7;
+ u8 Unused9:1;
+};
+typedef struct wf_envelope wavefront_envelope;
+
+struct wf_lfo
+{
+ u8 sample_number;
+
+ u8 frequency:7;
+ u8 Unused1:1;
+
+ u8 am_src:4;
+ u8 fm_src:4;
+
+ s8 fm_amount;
+ s8 am_amount;
+ s8 start_level;
+ s8 end_level;
+
+ u8 ramp_delay:7;
+ u8 wave_restart:1; /* for LFO2 only */
+
+ u8 ramp_time:7;
+ u8 Unused2:1;
+};
+typedef struct wf_lfo wavefront_lfo;
+
+struct wf_patch
+{
+ s16 frequency_bias; /* ** THIS IS IN MOTOROLA FORMAT!! ** */
+
+ u8 amplitude_bias:7;
+ u8 Unused1:1;
+
+ u8 portamento:7;
+ u8 Unused2:1;
+
+ u8 sample_number;
+
+ u8 pitch_bend:4;
+ u8 sample_msb:1;
+ u8 Unused3:3;
+
+ u8 mono:1;
+ u8 retrigger:1;
+ u8 nohold:1;
+ u8 restart:1;
+ u8 filterconfig:2; /* SDK says "not used" */
+ u8 reuse:1;
+ u8 reset_lfo:1;
+
+ u8 fm_src2:4;
+ u8 fm_src1:4;
+
+ s8 fm_amount1;
+ s8 fm_amount2;
+
+ u8 am_src:4;
+ u8 Unused4:4;
+
+ s8 am_amount;
+
+ u8 fc1_mode:4;
+ u8 fc2_mode:4;
+
+ s8 fc1_mod_amount;
+ s8 fc1_keyboard_scaling;
+ s8 fc1_bias;
+ s8 fc2_mod_amount;
+ s8 fc2_keyboard_scaling;
+ s8 fc2_bias;
+
+ u8 randomizer:7;
+ u8 Unused5:1;
+
+ struct wf_envelope envelope1;
+ struct wf_envelope envelope2;
+ struct wf_lfo lfo1;
+ struct wf_lfo lfo2;
+};
+typedef struct wf_patch wavefront_patch;
+
+struct wf_layer
+{
+ u8 patch_number;
+
+ u8 mix_level:7;
+ u8 mute:1;
+
+ u8 split_point:7;
+ u8 play_below:1;
+
+ u8 pan_mod_src:2;
+ u8 pan_or_mod:1;
+ u8 pan:4;
+ u8 split_type:1;
+};
+typedef struct wf_layer wavefront_layer;
+
+struct wf_program
+{
+ struct wf_layer layer[WF_NUM_LAYERS];
+};
+typedef struct wf_program wavefront_program;
+
+struct wf_sample_offset
+{
+ s32 Fraction:4;
+ s32 Integer:20;
+ s32 Unused:8;
+};
+typedef struct wf_sample_offset wavefront_sample_offset;
+
+/* Sample slot types */
+
+#define WF_ST_SAMPLE 0
+#define WF_ST_MULTISAMPLE 1
+#define WF_ST_ALIAS 2
+#define WF_ST_EMPTY 3
+
+/* pseudo's */
+
+#define WF_ST_DRUM 4
+#define WF_ST_PROGRAM 5
+#define WF_ST_PATCH 6
+#define WF_ST_SAMPLEHDR 7
+
+#define WF_ST_MASK 0xf
+
+/* Flags for slot status. These occupy the upper bits of the same byte
+ as a sample type.
+*/
+
+#define WF_SLOT_USED 0x80 /* XXX don't rely on this being accurate */
+#define WF_SLOT_FILLED 0x40
+#define WF_SLOT_ROM 0x20
+
+#define WF_SLOT_MASK 0xf0
+
+/* channel constants */
+
+#define WF_CH_MONO 0
+#define WF_CH_LEFT 1
+#define WF_CH_RIGHT 2
+
+/* Sample formats */
+
+#define LINEAR_16BIT 0
+#define WHITE_NOISE 1
+#define LINEAR_8BIT 2
+#define MULAW_8BIT 3
+
+#define WF_SAMPLE_IS_8BIT(smpl) ((smpl)->SampleResolution&2)
+
+
+/*
+
+ Because most/all of the sample data we pass in via pointers has
+ never been copied (just mmap-ed into user space straight from the
+ disk), it would be nice to allow handling of multi-channel sample
+ data without forcing user-level extraction of the relevant bytes.
+
+ So, we need a way of specifying which channel to use (the WaveFront
+ only handles mono samples in a given slot), and the only way to do
+ this without using some struct other than wavefront_sample as the
+ interface is the awful hack of using the unused bits in a
+ wavefront_sample:
+
+ Val Meaning
+ --- -------
+ 0 no channel selection (use channel 1, sample is MONO)
+ 1 use first channel, and skip one
+ 2 use second channel, and skip one
+ 3 use third channel, and skip two
+ 4 use fourth channel, skip three
+ 5 use fifth channel, skip four
+ 6 use six channel, skip five
+
+
+ This can handle up to 4 channels, and anyone downloading >4 channels
+ of sample data just to select one of them needs to find some tools
+ like sox ...
+
+ NOTE: values 0, 1 and 2 correspond to WF_CH_* above. This is
+ important.
+
+*/
+
+#define WF_SET_CHANNEL(samp,chn) \
+ (samp)->Unused1 = chn & 0x1; \
+ (samp)->Unused2 = chn & 0x2; \
+ (samp)->Unused3 = chn & 0x4
+
+#define WF_GET_CHANNEL(samp) \
+ (((samp)->Unused3 << 2)|((samp)->Unused2<<1)|(samp)->Unused1)
+
+typedef struct wf_sample {
+ struct wf_sample_offset sampleStartOffset;
+ struct wf_sample_offset loopStartOffset;
+ struct wf_sample_offset loopEndOffset;
+ struct wf_sample_offset sampleEndOffset;
+ s16 FrequencyBias;
+ u8 SampleResolution:2; /* sample_format */
+ u8 Unused1:1;
+ u8 Loop:1;
+ u8 Bidirectional:1;
+ u8 Unused2:1;
+ u8 Reverse:1;
+ u8 Unused3:1;
+} wavefront_sample;
+
+typedef struct wf_multisample {
+ s16 NumberOfSamples; /* log2 of the number of samples */
+ s16 SampleNumber[NUM_MIDIKEYS];
+} wavefront_multisample;
+
+typedef struct wf_alias {
+ s16 OriginalSample;
+
+ struct wf_sample_offset sampleStartOffset;
+ struct wf_sample_offset loopStartOffset;
+ struct wf_sample_offset sampleEndOffset;
+ struct wf_sample_offset loopEndOffset;
+
+ s16 FrequencyBias;
+
+ u8 SampleResolution:2;
+ u8 Unused1:1;
+ u8 Loop:1;
+ u8 Bidirectional:1;
+ u8 Unused2:1;
+ u8 Reverse:1;
+ u8 Unused3:1;
+
+ /* This structure is meant to be padded only to 16 bits on their
+ original. Of course, whoever wrote their documentation didn't
+ realize that sizeof(struct) can be >=
+ sum(sizeof(struct-fields)) and so thought that giving a C level
+ description of the structs used in WavePatch files was
+ sufficient. I suppose it was, as long as you remember the
+ standard 16->32 bit issues.
+ */
+
+ u8 sixteen_bit_padding;
+} __attribute__((packed)) wavefront_alias;
+
+typedef struct wf_drum {
+ u8 PatchNumber;
+ u8 MixLevel:7;
+ u8 Unmute:1;
+ u8 Group:4;
+ u8 Unused1:4;
+ u8 PanModSource:2;
+ u8 PanModulated:1;
+ u8 PanAmount:4;
+ u8 Unused2:1;
+} wavefront_drum;
+
+typedef struct wf_drumkit {
+ struct wf_drum drum[NUM_MIDIKEYS];
+} wavefront_drumkit;
+
+typedef struct wf_channel_programs {
+ u8 Program[NUM_MIDICHANNELS];
+} wavefront_channel_programs;
+
+/* How to get MIDI channel status from the data returned by
+ a WFC_GET_CHANNEL_STATUS command (a struct wf_channel_programs)
+*/
+
+#define WF_CHANNEL_STATUS(ch,wcp) (wcp)[(ch/7)] & (1<<((ch)%7))
+
+typedef union wf_any {
+ wavefront_sample s;
+ wavefront_multisample ms;
+ wavefront_alias a;
+ wavefront_program pr;
+ wavefront_patch p;
+ wavefront_drum d;
+} wavefront_any;
+
+/* Hannu Solvainen hoped that his "patch_info" struct in soundcard.h
+ might work for other wave-table based patch loading situations.
+ Alas, his fears were correct. The WaveFront doesn't even come with
+ just "patches", but several different kind of structures that
+ control the sound generation process.
+ */
+
+typedef struct wf_patch_info {
+
+ /* the first two fields are used by the OSS "patch loading" interface
+ only, and are unused by the current user-level library.
+ */
+
+ s16 key; /* Use WAVEFRONT_PATCH here */
+ u16 devno; /* fill in when sending */
+ u8 subkey; /* WF_ST_{SAMPLE,ALIAS,etc.} */
+
+#define WAVEFRONT_FIND_FREE_SAMPLE_SLOT 999
+
+ u16 number; /* patch/sample/prog number */
+
+ u32 size; /* size of any data included in
+ one of the fields in `hdrptr', or
+ as `dataptr'.
+
+ NOTE: for actual samples, this is
+ the size of the *SELECTED CHANNEL*
+ even if more data is actually available.
+
+ So, a stereo sample (2 channels) of
+ 6000 bytes total has `size' = 3000.
+
+ See the macros and comments for
+ WF_{GET,SET}_CHANNEL above.
+
+ */
+ wavefront_any __user *hdrptr; /* user-space ptr to hdr bytes */
+ u16 __user *dataptr; /* actual sample data */
+
+ wavefront_any hdr; /* kernel-space copy of hdr bytes */
+} wavefront_patch_info;
+
+/* The maximum number of bytes we will ever move to or from user space
+ in response to a WFC_* command. This obviously doesn't cover
+ actual sample data.
+*/
+
+#define WF_MAX_READ sizeof(wavefront_multisample)
+#define WF_MAX_WRITE sizeof(wavefront_multisample)
+
+/*
+ This allows us to execute any WF command except the download/upload
+ ones, which are handled differently due to copyin/copyout issues as
+ well as data-nybbling to/from the card.
+ */
+
+typedef struct wavefront_control {
+ int cmd; /* WFC_* */
+ char status; /* return status to user-space */
+ unsigned char rbuf[WF_MAX_READ]; /* bytes read from card */
+ unsigned char wbuf[WF_MAX_WRITE]; /* bytes written to card */
+} wavefront_control;
+
+#define WFCTL_WFCMD 0x1
+#define WFCTL_LOAD_SPP 0x2
+
+/* Modulator table */
+
+#define WF_MOD_LFO1 0
+#define WF_MOD_LFO2 1
+#define WF_MOD_ENV1 2
+#define WF_MOD_ENV2 3
+#define WF_MOD_KEYBOARD 4
+#define WF_MOD_LOGKEY 5
+#define WF_MOD_VELOCITY 6
+#define WF_MOD_LOGVEL 7
+#define WF_MOD_RANDOM 8
+#define WF_MOD_PRESSURE 9
+#define WF_MOD_MOD_WHEEL 10
+#define WF_MOD_1 WF_MOD_MOD_WHEEL
+#define WF_MOD_BREATH 11
+#define WF_MOD_2 WF_MOD_BREATH
+#define WF_MOD_FOOT 12
+#define WF_MOD_4 WF_MOD_FOOT
+#define WF_MOD_VOLUME 13
+#define WF_MOD_7 WF_MOD_VOLUME
+#define WF_MOD_PAN 14
+#define WF_MOD_10 WF_MOD_PAN
+#define WF_MOD_EXPR 15
+#define WF_MOD_11 WF_MOD_EXPR
+
+/* FX-related material */
+
+typedef struct wf_fx_info {
+ int request; /* see list below */
+ long data[4]; /* we don't need much */
+} wavefront_fx_info;
+
+/* support for each of these will be forthcoming once I or someone
+ else has figured out which of the addresses on page 6 and page 7 of
+ the YSS225 control each parameter. Incidentally, these come from
+ the Windows driver interface, but again, Turtle Beach didn't
+ document the API to use them.
+*/
+
+#define WFFX_SETOUTGAIN 0
+#define WFFX_SETSTEREOOUTGAIN 1
+#define WFFX_SETREVERBIN1GAIN 2
+#define WFFX_SETREVERBIN2GAIN 3
+#define WFFX_SETREVERBIN3GAIN 4
+#define WFFX_SETCHORUSINPORT 5
+#define WFFX_SETREVERBIN1PORT 6
+#define WFFX_SETREVERBIN2PORT 7
+#define WFFX_SETREVERBIN3PORT 8
+#define WFFX_SETEFFECTPORT 9
+#define WFFX_SETAUXPORT 10
+#define WFFX_SETREVERBTYPE 11
+#define WFFX_SETREVERBDELAY 12
+#define WFFX_SETCHORUSLFO 13
+#define WFFX_SETCHORUSPMD 14
+#define WFFX_SETCHORUSAMD 15
+#define WFFX_SETEFFECT 16
+#define WFFX_SETBASEALL 17
+#define WFFX_SETREVERBALL 18
+#define WFFX_SETCHORUSALL 20
+#define WFFX_SETREVERBDEF 22
+#define WFFX_SETCHORUSDEF 23
+#define WFFX_DELAYSETINGAIN 24
+#define WFFX_DELAYSETFBGAIN 25
+#define WFFX_DELAYSETFBLPF 26
+#define WFFX_DELAYSETGAIN 27
+#define WFFX_DELAYSETTIME 28
+#define WFFX_DELAYSETFBTIME 29
+#define WFFX_DELAYSETALL 30
+#define WFFX_DELAYSETDEF 32
+#define WFFX_SDELAYSETINGAIN 33
+#define WFFX_SDELAYSETFBGAIN 34
+#define WFFX_SDELAYSETFBLPF 35
+#define WFFX_SDELAYSETGAIN 36
+#define WFFX_SDELAYSETTIME 37
+#define WFFX_SDELAYSETFBTIME 38
+#define WFFX_SDELAYSETALL 39
+#define WFFX_SDELAYSETDEF 41
+#define WFFX_DEQSETINGAIN 42
+#define WFFX_DEQSETFILTER 43
+#define WFFX_DEQSETALL 44
+#define WFFX_DEQSETDEF 46
+#define WFFX_MUTE 47
+#define WFFX_FLANGESETBALANCE 48
+#define WFFX_FLANGESETDELAY 49
+#define WFFX_FLANGESETDWFFX_TH 50
+#define WFFX_FLANGESETFBGAIN 51
+#define WFFX_FLANGESETINGAIN 52
+#define WFFX_FLANGESETLFO 53
+#define WFFX_FLANGESETALL 54
+#define WFFX_FLANGESETDEF 56
+#define WFFX_PITCHSETSHIFT 57
+#define WFFX_PITCHSETBALANCE 58
+#define WFFX_PITCHSETALL 59
+#define WFFX_PITCHSETDEF 61
+#define WFFX_SRSSETINGAIN 62
+#define WFFX_SRSSETSPACE 63
+#define WFFX_SRSSETCENTER 64
+#define WFFX_SRSSETGAIN 65
+#define WFFX_SRSSETMODE 66
+#define WFFX_SRSSETDEF 68
+
+/* Allow direct user-space control over FX memory/coefficient data.
+ In theory this could be used to download the FX microprogram,
+ but it would be a little slower, and involve some weird code.
+ */
+
+#define WFFX_MEMSET 69
+
+#endif /* __SOUND_WAVEFRONT_H__ */