Merge branch 'for-next' into for-linus

Pull the 6.5-devel branch for upstreaming.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

11 files changed, 1285 insertions, 121 deletions

diff --git a/include/sound/asequencer.h b/include/sound/asequencer.h
index 18d4bc3ee0b7..ddbb6bf801bb 100644
--- a/include/sound/asequencer.h
+++ b/include/sound/asequencer.h
@@ -65,6 +65,10 @@
 #define snd_seq_ev_is_abstime(ev)	(snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
 #define snd_seq_ev_is_reltime(ev)	(snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
 
+/* check whether the given event is a UMP event */
+#define snd_seq_ev_is_ump(ev) \
+	(IS_ENABLED(CONFIG_SND_SEQ_UMP) && ((ev)->flags & SNDRV_SEQ_EVENT_UMP))
+
 /* queue sync port */
 #define snd_seq_queue_sync_port(q)	((q) + 16)
 
diff --git a/include/sound/core.h b/include/sound/core.h
index 3edc4ab08774..f6e0dd648b80 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -98,7 +98,7 @@ struct snd_card {
 
 	struct device ctl_dev;		/* control device */
 	unsigned int last_numid;	/* last used numeric ID */
-	struct rw_semaphore controls_rwsem;	/* controls list lock */
+	struct rw_semaphore controls_rwsem;	/* controls lock (list and values) */
 	rwlock_t ctl_files_rwlock;	/* ctl_files list lock */
 	int controls_count;		/* count of all controls */
 	size_t user_ctl_alloc_size;	// current memory allocation by user controls.
@@ -232,7 +232,7 @@ static inline struct device *snd_card_get_device_link(struct snd_card *card)
 
 extern int snd_major;
 extern int snd_ecards_limit;
-extern struct class *sound_class;
+extern const struct class sound_class;
 #ifdef CONFIG_SND_DEBUG
 extern struct dentry *sound_debugfs_root;
 #endif
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 8fe80dcee71b..386a5f3be3e0 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -38,6 +38,35 @@
 
 #define IP_TO_CP(ip) ((ip == 0) ? 0 : (((0x00001000uL | (ip & 0x00000FFFL)) << (((ip >> 12) & 0x000FL) + 4)) & 0xFFFF0000uL))
 
+// This is used to define hardware bit-fields (sub-registers) by combining
+// the bit shift and count with the actual register address. The passed
+// mask must represent a single run of adjacent bits.
+// The non-concatenating (_NC) variant should be used directly only for
+// sub-registers that do not follow the <register>_<field> naming pattern.
+#define SUB_REG_NC(reg, field, mask) \
+	enum { \
+		field ## _MASK = mask, \
+		field = reg | \
+			(__builtin_ctz(mask) << 16) | \
+			(__builtin_popcount(mask) << 24), \
+	};
+#define SUB_REG(reg, field, mask) SUB_REG_NC(reg, reg ## _ ## field, mask)
+
+// Macros for manipulating values of bit-fields declared using the above macros.
+// Best used with constant register addresses, as otherwise quite some code is
+// generated. The actual register read/write functions handle combined addresses
+// automatically, so use of these macros conveys no advantage when accessing a
+// single sub-register at a time.
+#define REG_SHIFT(r) (((r) >> 16) & 0x1f)
+#define REG_SIZE(r) (((r) >> 24) & 0x1f)
+#define REG_MASK0(r) ((1U << REG_SIZE(r)) - 1U)
+#define REG_MASK(r) (REG_MASK0(r) << REG_SHIFT(r))
+#define REG_VAL_GET(r, v) ((v & REG_MASK(r)) >> REG_SHIFT(r))
+#define REG_VAL_PUT(r, v) ((v) << REG_SHIFT(r))
+
+// List terminator for snd_emu10k1_ptr_write_multiple()
+#define REGLIST_END ~0
+
 // Audigy specify registers are prefixed with 'A_'
 
 /************************************************************************************************/
@@ -90,6 +119,10 @@
 #define IPR_MIDITRANSBUFEMPTY	0x00000100	/* MIDI UART transmit buffer empty		*/
 #define IPR_MIDIRECVBUFEMPTY	0x00000080	/* MIDI UART receive buffer empty		*/
 #define IPR_CHANNELLOOP		0x00000040	/* Channel (half) loop interrupt(s) pending	*/
+						/* The interrupt is triggered shortly after	*/
+						/* CCR_READADDRESS has crossed the boundary;	*/
+						/* due to the cache, this runs ahead of the	*/
+						/* actual playback position.			*/
 #define IPR_CHANNELNUMBERMASK	0x0000003f	/* When IPR_CHANNELLOOP is set, indicates the	*/
 						/* highest set channel in CLIPL, CLIPH, HLIPL,  */
 						/* or HLIPH.  When IPR is written with CL set,	*/
@@ -148,12 +181,10 @@
 #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_MASK	0x0000003F	/* Channel [0..63] currently being serviced	*/
+SUB_REG(WC, SAMPLECOUNTER,	0x03FFFFC0)	/* Sample periods elapsed since reset		*/
+SUB_REG(WC, CURRENTCHANNEL,	0x0000003F)	/* Channel [0..63] currently being serviced	*/
 						/* NOTE: Each channel takes 1/64th of a sample	*/
 						/* period to be serviced.			*/
-#define WC_CURRENTCHANNEL	0x06000010
 
 #define HCFG			0x14		/* Hardware config register			*/
 						/* NOTE: There is no reason to use the legacy	*/
@@ -225,9 +256,8 @@
 						/* 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	*/
+SUB_REG(HCFG, LOCKTANKCACHE,	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	*/
@@ -381,56 +411,49 @@
 //   distortion), the modulation engine sets the target registers, towards
 //   which the current registers "swerve" gradually.
 
+// For the odd channel in a stereo pair, these registers are meaningless:
+//   CPF_STEREO, CPF_CURRENTPITCH, PTRX_PITCHTARGET, CCR_CACHEINVALIDSIZE,
+//   PSST_LOOPSTARTADDR, DSL_LOOPENDADDR, CCCA_CURRADDR
+// The somewhat non-obviously still meaningful ones are:
+//   CPF_STOP, CPF_FRACADDRESS, CCR_READADDRESS (!),
+//   CCCA_INTERPROM, CCCA_8BITSELECT (!)
+// (The envelope engine is ignored here, as stereo matters only for verbatim playback.)
+
 #define CPF			0x00		/* Current pitch and fraction register			*/
-#define CPF_CURRENTPITCH_MASK	0xffff0000	/* Current pitch (linear, 0x4000 == unity pitch shift) 	*/
-#define CPF_CURRENTPITCH	0x10100000
+SUB_REG(CPF, CURRENTPITCH,	0xffff0000)	/* Current pitch (linear, 0x4000 == unity pitch shift) 	*/
 #define CPF_STEREO_MASK		0x00008000	/* 1 = Even channel interleave, odd channel locked	*/
-#define CPF_STOP_MASK		0x00004000	/* 1 = Current pitch forced to 0			*/
+SUB_REG(CPF, STOP,		0x00004000)	/* 1 = Current pitch forced to 0			*/
+						/* Can be set only while matching bit in SOLEx is 1	*/
 #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
+SUB_REG(PTRX, PITCHTARGET,	0xffff0000)	/* Pitch target of specified channel			*/
+SUB_REG(PTRX, FXSENDAMOUNT_A,	0x0000ff00)	/* Linear level of channel output sent to FX send bus A	*/
+SUB_REG(PTRX, FXSENDAMOUNT_B,	0x000000ff)	/* Linear level of channel output sent to FX send bus B	*/
 
+// Note: the volumes are raw multpliers, so real 100% is impossible.
 #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
+SUB_REG(CVCF, CURRENTVOL,	0xffff0000)	/* Current linear volume of specified channel		*/
+SUB_REG(CVCF, CURRENTFILTER,	0x0000ffff)	/* Current filter cutoff frequency of specified channel	*/
 
 #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
+SUB_REG(VTFT, VOLUMETARGET,	0xffff0000)	/* Volume target of specified channel			*/
+SUB_REG(VTFT, FILTERTARGET,	0x0000ffff)	/* Filter cutoff target of specified channel		*/
 
 #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
+SUB_REG(PSST, FXSENDAMOUNT_C,	0xff000000)	/* Linear level of channel output sent to FX send bus C	*/
+SUB_REG(PSST, LOOPSTARTADDR,	0x00ffffff)	/* Loop start address of the specified channel		*/
 
 #define DSL			0x07		/* Send D amount and loop end 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
+SUB_REG(DSL, FXSENDAMOUNT_D,	0xff000000)	/* Linear level of channel output sent to FX send bus D	*/
+SUB_REG(DSL, LOOPENDADDR,	0x00ffffff)	/* Loop end address of the specified channel		*/
 
 #define CCCA			0x08		/* Filter Q, interp. ROM, byte size, cur. addr register */
-#define CCCA_RESONANCE_MASK	0xf0000000	/* Lowpass filter resonance (Q) height			*/
-#define CCCA_RESONANCE		0x041c0008
+SUB_REG(CCCA, RESONANCE,	0xf0000000)	/* Lowpass filter resonance (Q) height			*/
 #define CCCA_INTERPROM_MASK	0x0e000000	/* Selects passband of interpolation ROM		*/
 						/* 1 == full band, 7 == lowpass				*/
 						/* ROM 0 is used when pitch shifting downward or less	*/
@@ -447,27 +470,24 @@
 #define CCCA_INTERPROM_7	0x0e000000	/* Select interpolation ROM 7				*/
 #define CCCA_8BITSELECT		0x01000000	/* 1 = Sound memory for this channel uses 8-bit samples	*/
 						/* 8-bit samples are unsigned, 16-bit ones signed	*/
-#define CCCA_CURRADDR_MASK	0x00ffffff	/* Current address of the selected channel		*/
-#define CCCA_CURRADDR		0x18000008
+SUB_REG(CCCA, CURRADDR,		0x00ffffff)	/* Current address of the selected channel		*/
 
 #define CCR			0x09		/* Cache control register				*/
-#define CCR_CACHEINVALIDSIZE	0x07190009
-#define CCR_CACHEINVALIDSIZE_MASK 0xfe000000	/* Number of invalid samples before the read address	*/
+SUB_REG(CCR, CACHEINVALIDSIZE,	0xfe000000)	/* Number of invalid samples before the read address	*/
 #define CCR_CACHELOOPFLAG	0x01000000	/* 1 = Cache has a loop service pending			*/
 #define CCR_INTERLEAVEDSAMPLES	0x00800000	/* 1 = A cache service will fetch interleaved samples	*/
 						/* Auto-set from CPF_STEREO_MASK			*/
 #define CCR_WORDSIZEDSAMPLES	0x00400000	/* 1 = A cache service will fetch word sized samples	*/
 						/* Auto-set from CCCA_8BITSELECT			*/
-#define CCR_READADDRESS		0x06100009
-#define CCR_READADDRESS_MASK	0x003f0000	/* Next cached sample to play				*/
-#define CCR_LOOPINVALSIZE	0x0000fe00	/* Number of invalid samples in cache prior to loop	*/
+SUB_REG(CCR, READADDRESS,	0x003f0000)	/* Next cached sample to play				*/
+SUB_REG(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	/* CLP_LOOPSTARTADDR's hi byte if CACHELOOPFLAG is set	*/
+SUB_REG(CCR, CACHELOOPADDRHI,	0x000000ff)	/* CLP_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 low word				*/
+SUB_REG(CLP, CACHELOOPADDR,	0x0000ffff)	/* Cache loop address low word				*/
 
 #define FXRT			0x0b		/* Effects send routing register			*/
 						/* NOTE: It is illegal to assign the same routing to	*/
@@ -537,20 +557,17 @@
 #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	*/
+SUB_REG(IFATN, FILTERCUTOFF,	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
+SUB_REG(IFATN, ATTENUATION,	0x000000ff)	/* Initial attenuation in 0.375dB steps			*/
 
 #define PEFE			0x1a		/* Pitch envelope and filter envelope amount register	*/
-#define PEFE_PITCHAMOUNT_MASK	0x0000ff00	/* Pitch envlope amount					*/
+SUB_REG(PEFE, PITCHAMOUNT,	0x0000ff00)	/* Pitch envlope amount					*/
 						/* Signed 2's complement, +/- one octave peak extremes	*/
-#define PEFE_PITCHAMOUNT	0x0808001a
-#define PEFE_FILTERAMOUNT_MASK	0x000000ff	/* Filter envlope amount				*/
+SUB_REG(PEFE, FILTERAMOUNT,	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				*/
@@ -577,24 +594,22 @@
 
 /* 0x1f: not used */
 
-#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				*/
-
-/* 0x30-3f seem to be the same as 0x20-2f */
+// 32 cache registers (== 128 bytes) per channel follow.
+// In stereo mode, the two channels' caches are concatenated into one,
+// and hold the interleaved frames.
+// The cache holds 64 frames, so the upper half is not used in 8-bit mode.
+// All registers mentioned below count in frames.
+// The cache is a ring buffer; CCR_READADDRESS operates modulo 64.
+// The cache is filled from (CCCA_CURRADDR - CCR_CACHEINVALIDSIZE)
+// into (CCR_READADDRESS - CCR_CACHEINVALIDSIZE).
+// The engine has a fetch threshold of 32 bytes, so it tries to keep
+// CCR_CACHEINVALIDSIZE below 8 (16-bit stereo), 16 (16-bit mono,
+// 8-bit stereo), or 32 (8-bit mono). The actual transfers are pretty
+// unpredictable, especially if several voices are running.
+// Frames are consumed at CCR_READADDRESS, which is incremented afterwards,
+// along with CCCA_CURRADDR and CCR_CACHEINVALIDSIZE. This implies that the
+// actual playback position always lags CCCA_CURRADDR by exactly 64 frames.
+#define CD0			0x20		/* Cache data registers 0 .. 0x1f			*/
 
 #define PTB			0x40		/* Page table base register				*/
 #define PTB_MASK		0xfffff000	/* Physical address of the page table in host memory	*/
@@ -695,6 +710,8 @@
 #define ADCBS_BUFSIZE_57344	0x0000001e
 #define ADCBS_BUFSIZE_65536	0x0000001f
 
+// On Audigy, the FX send amounts are not applied instantly, but determine
+// targets towards which the following registers swerve gradually.
 #define A_CSBA			0x4c		/* FX send B & A current amounts			*/
 #define A_CSDC			0x4d		/* FX send D & C current amounts			*/
 #define A_CSFE			0x4e		/* FX send F & E current amounts			*/
@@ -755,6 +772,9 @@
 #define CLIPL			0x5a		/* Channel loop interrupt pending low register	*/
 #define CLIPH			0x5b		/* Channel loop interrupt pending high register	*/
 
+// These cause CPF_STOP_MASK to be set shortly after CCCA_CURRADDR passes DSL_LOOPENDADDR.
+// Subsequent changes to the address registers don't resume; clearing the bit here or in CPF does.
+// The registers are NOT synchronized; the next serviced channel picks up immediately.
 #define SOLEL			0x5c		/* Stop on loop enable low register		*/
 #define SOLEH			0x5d		/* Stop on loop enable high register		*/
 
@@ -793,22 +813,19 @@
 #define SRCS_SPDIFRATE_96	0x00080000
 
 #define MICIDX                  0x63            /* Microphone recording buffer index register   */
-#define MICIDX_MASK             0x0000ffff      /* 16-bit value                                 */
-#define MICIDX_IDX		0x10000063
+SUB_REG(MICIDX, IDX,		0x0000ffff)
 
 #define ADCIDX			0x64		/* ADC recording buffer index register		*/
-#define ADCIDX_MASK		0x0000ffff	/* 16 bit index field				*/
-#define ADCIDX_IDX		0x10000064
+SUB_REG(ADCIDX, IDX,		0x0000ffff)
 
 #define A_ADCIDX		0x63
-#define A_ADCIDX_IDX		0x10000063
+SUB_REG(A_ADCIDX, IDX,		0x0000ffff)
 
 #define A_MICIDX		0x64
-#define A_MICIDX_IDX		0x10000064
+SUB_REG(A_MICIDX, IDX,		0x0000ffff)
 
 #define FXIDX			0x65		/* FX recording buffer index register		*/
-#define FXIDX_MASK		0x0000ffff	/* 16-bit value					*/
-#define FXIDX_IDX		0x10000065
+SUB_REG(FXIDX, IDX,		0x0000ffff)
 
 /* The 32-bit HLIEx and HLIPx registers all have one bit per channel control/status      		*/
 #define HLIEL			0x66		/* Channel half loop interrupt enable low register	*/
@@ -852,8 +869,8 @@
 #define A_SPDIF_44100		0x00000080
 #define A_SPDIF_MUTED		0x000000c0
 
-#define A_I2S_CAPTURE_RATE_MASK	0x00000e00	/* This sets the capture PCM rate, but it is    */
-#define A_I2S_CAPTURE_RATE	0x03090076	/* unclear if this sets the ADC rate as well.	*/
+SUB_REG_NC(A_EHC, A_I2S_CAPTURE_RATE, 0x00000e00)  /* This sets the capture PCM rate, but it is  */
+						   /* unclear if this sets the ADC rate as well. */
 #define A_I2S_CAPTURE_48000	0x0
 #define A_I2S_CAPTURE_192000	0x1
 #define A_I2S_CAPTURE_96000	0x2
@@ -1093,6 +1110,9 @@
 #define EMU_DOCK_BOARD_ID0		0x00	/* ID bit 0 */
 #define EMU_DOCK_BOARD_ID1		0x03	/* ID bit 1 */
 
+// The actual code disagrees about the bit width of the registers -
+// the formula used is freq = 0x1770000 / (((X_HI << 5) | X_LO) + 1)
+
 #define EMU_HANA_WC_SPDIF_HI	0x28	/* 0xxxxxx  6 bit  SPDIF IN Word clock, upper 6 bits */
 #define EMU_HANA_WC_SPDIF_LO	0x29	/* 0xxxxxx  6 bit  SPDIF IN Word clock, lower 6 bits */
 
@@ -1189,9 +1209,10 @@
  * physical outputs of Hana, or outputs going to Alice2/Tina for capture -
  * 16 x EMU_DST_ALICE2_EMU32_X (2x on rev2 boards). Which data is fed into
  * a channel depends on the mixer control setting for each destination - see
- * emumixer.c - snd_emu1010_output_enum_ctls[], snd_emu1010_input_enum_ctls[]
+ * the register arrays in emumixer.c.
  */
 #define EMU_DST_ALICE2_EMU32_0	0x000f	/* 16 EMU32 channels to Alice2 +0 to +0xf */
+					/* This channel is delayed by one sample. */
 #define EMU_DST_ALICE2_EMU32_1	0x0000	/* 16 EMU32 channels to Alice2 +0 to +0xf */
 #define EMU_DST_ALICE2_EMU32_2	0x0001	/* 16 EMU32 channels to Alice2 +0 to +0xf */
 #define EMU_DST_ALICE2_EMU32_3	0x0002	/* 16 EMU32 channels to Alice2 +0 to +0xf */
@@ -1422,24 +1443,35 @@
 
 /* 0x600 and 0x700 no used */
 
+
+/* ------------------- CONSTANTS -------------------- */
+
+extern const char * const snd_emu10k1_fxbus[32];
+extern const char * const snd_emu10k1_sblive_ins[16];
+extern const char * const snd_emu10k1_audigy_ins[16];
+extern const char * const snd_emu10k1_sblive_outs[32];
+extern const char * const snd_emu10k1_audigy_outs[32];
+extern const s8 snd_emu10k1_sblive51_fxbus2_map[16];
+
 /* ------------------- STRUCTURES -------------------- */
 
 enum {
+	EMU10K1_UNUSED,  // This must be zero
 	EMU10K1_EFX,
+	EMU10K1_EFX_IRQ,
 	EMU10K1_PCM,
+	EMU10K1_PCM_IRQ,
 	EMU10K1_SYNTH,
-	EMU10K1_MIDI
+	EMU10K1_NUM_TYPES
 };
 
 struct snd_emu10k1;
 
 struct snd_emu10k1_voice {
-	int number;
-	unsigned int use: 1,
-	    pcm: 1,
-	    efx: 1,
-	    synth: 1,
-	    midi: 1;
+	unsigned char number;
+	unsigned char use;
+	unsigned char dirty;
+	unsigned char last;
 	void (*interrupt)(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *pvoice);
 
 	struct snd_emu10k1_pcm *epcm;
@@ -1461,7 +1493,9 @@ struct snd_emu10k1_pcm {
 	struct snd_emu10k1_voice *extra;
 	unsigned short running;
 	unsigned short first_ptr;
+	snd_pcm_uframes_t resume_pos;
 	struct snd_util_memblk *memblk;
+	unsigned int pitch_target;
 	unsigned int start_addr;
 	unsigned int ccca_start_addr;
 	unsigned int capture_ipr;	/* interrupt acknowledge mask */
@@ -1479,6 +1513,8 @@ struct snd_emu10k1_pcm_mixer {
 	/* mono, left, right x 8 sends (4 on emu10k1) */
 	unsigned char send_routing[3][8];
 	unsigned char send_volume[3][8];
+	// 0x8000 is neutral. The mixer code rescales it to 0xffff to maintain
+	// backwards compatibility with user space.
 	unsigned short attn[3];
 	struct snd_emu10k1_pcm *epcm;
 };
@@ -1492,6 +1528,9 @@ struct snd_emu10k1_pcm_mixer {
 #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))
 
+#define snd_emu10k1_compose_audigy_sendamounts(vol) \
+(((unsigned int)vol[4] << 24) | ((unsigned int)vol[5] << 16) | ((unsigned int)vol[6] << 8) | (unsigned int)vol[7])
+
 struct snd_emu10k1_memblk {
 	struct snd_util_memblk mem;
 	/* private part */
@@ -1510,9 +1549,9 @@ struct snd_emu10k1_fx8010_ctl {
 	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 */
+	int value[32];
+	int min;			/* minimum range */
+	int max;			/* maximum range */
 	unsigned int translation;	/* translation type (EMU10K1_GPR_TRANSLATION*) */
 	struct snd_kcontrol *kcontrol;
 };
@@ -1600,35 +1639,43 @@ struct snd_emu_chip_details {
 	u32 device;
 	u32 subsystem;
 	unsigned char revision;
-	unsigned char emu10k1_chip; /* Original SB Live. Not SB Live 24bit. */
-				    /* Redundant with emu10k2_chip being unset. */
-	unsigned char emu10k2_chip; /* Audigy 1 or Audigy 2. */
-	unsigned char ca0102_chip;  /* Audigy 1 or Audigy 2. Not SB Audigy 2 Value. */
-				    /* Redundant with ca0108_chip being unset. */
-	unsigned char ca0108_chip;  /* Audigy 2 Value */
-	unsigned char ca_cardbus_chip; /* Audigy 2 ZS Notebook */
-	unsigned char ca0151_chip;  /* P16V */
-	unsigned char spk71;        /* Has 7.1 speakers */
-	unsigned char sblive51;	    /* SBLive! 5.1 - extout 0x11 -> center, 0x12 -> lfe */
-	unsigned char spdif_bug;    /* Has Spdif phasing bug */
-	unsigned char ac97_chip;    /* Has an AC97 chip: 1 = mandatory, 2 = optional */
-	unsigned char ecard;        /* APS EEPROM */
-	unsigned char emu_model;     /* EMU model type */
-	unsigned char spi_dac;      /* SPI interface for DAC; requires ca0108_chip */
-	unsigned char i2c_adc;      /* I2C interface for ADC; requires ca0108_chip */
-	unsigned char adc_1361t;    /* Use Philips 1361T ADC */
-	unsigned char invert_shared_spdif; /* analog/digital switch inverted */
+	unsigned char emu_model;	/* EMU model type */
+	unsigned int emu10k1_chip:1;	/* Original SB Live. Not SB Live 24bit. */
+					/* Redundant with emu10k2_chip being unset. */
+	unsigned int emu10k2_chip:1;	/* Audigy 1 or Audigy 2. */
+	unsigned int ca0102_chip:1;	/* Audigy 1 or Audigy 2. Not SB Audigy 2 Value. */
+					/* Redundant with ca0108_chip being unset. */
+	unsigned int ca0108_chip:1;	/* Audigy 2 Value */
+	unsigned int ca_cardbus_chip:1;	/* Audigy 2 ZS Notebook */
+	unsigned int ca0151_chip:1;	/* P16V */
+	unsigned int spk20:1;		/* Stereo only */
+	unsigned int spk71:1;		/* Has 7.1 speakers */
+	unsigned int no_adat:1;		/* Has no ADAT, only SPDIF */
+	unsigned int sblive51:1;	/* SBLive! 5.1 - extout 0x11 -> center, 0x12 -> lfe */
+	unsigned int spdif_bug:1;	/* Has Spdif phasing bug */
+	unsigned int ac97_chip:2;	/* Has an AC97 chip: 1 = mandatory, 2 = optional */
+	unsigned int ecard:1;		/* APS EEPROM */
+	unsigned int spi_dac:1;		/* SPI interface for DAC; requires ca0108_chip */
+	unsigned int i2c_adc:1;		/* I2C interface for ADC; requires ca0108_chip */
+	unsigned int adc_1361t:1;	/* Use Philips 1361T ADC */
+	unsigned int invert_shared_spdif:1;  /* analog/digital switch inverted */
 	const char *driver;
 	const char *name;
 	const char *id;		/* for backward compatibility - can be NULL if not needed */
 };
 
+#define NUM_OUTPUT_DESTS 28
+#define NUM_INPUT_DESTS 22
+
 struct snd_emu1010 {
-	unsigned int output_source[64];
-	unsigned int input_source[64];
+	unsigned char output_source[NUM_OUTPUT_DESTS];
+	unsigned char input_source[NUM_INPUT_DESTS];
 	unsigned int adc_pads; /* bit mask */
 	unsigned int dac_pads; /* bit mask */
-	unsigned int internal_clock; /* 44100 or 48000 */
+	unsigned int wclock;  /* Cached register value */
+	unsigned int word_clock;  /* Cached effective value */
+	unsigned int clock_source;
+	unsigned int clock_fallback;
 	unsigned int optical_in; /* 0:SPDIF, 1:ADAT */
 	unsigned int optical_out; /* 0:SPDIF, 1:ADAT */
 	struct delayed_work firmware_work;
@@ -1653,7 +1700,6 @@ struct snd_emu10k1 {
 	unsigned int address_mode;		/* address mode */
 	unsigned long dma_mask;			/* PCI DMA mask */
 	bool iommu_workaround;			/* IOMMU workaround needed */
-	unsigned int delay_pcm_irq;		/* in samples */
 	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 */
@@ -1775,6 +1821,7 @@ int snd_emu10k1_done(struct snd_emu10k1 * emu);
 /* I/O functions */
 unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
 void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
+void snd_emu10k1_ptr_write_multiple(struct snd_emu10k1 *emu, unsigned int chn, ...);
 unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
 void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
 int snd_emu10k1_spi_write(struct snd_emu10k1 * emu, unsigned int data);
@@ -1782,6 +1829,9 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu, u32 reg, u32 value);
 void snd_emu1010_fpga_write(struct snd_emu10k1 *emu, u32 reg, u32 value);
 void snd_emu1010_fpga_read(struct snd_emu10k1 *emu, u32 reg, u32 *value);
 void snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 *emu, u32 dst, u32 src);
+u32 snd_emu1010_fpga_link_dst_src_read(struct snd_emu10k1 *emu, u32 dst);
+int snd_emu1010_get_raw_rate(struct snd_emu10k1 *emu, u8 src);
+void snd_emu1010_update_clock(struct snd_emu10k1 *emu);
 unsigned int snd_emu10k1_efx_read(struct snd_emu10k1 *emu, unsigned int pc);
 void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb);
 void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb);
@@ -1791,13 +1841,17 @@ void snd_emu10k1_voice_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum);
 void snd_emu10k1_voice_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum);
 void snd_emu10k1_voice_half_loop_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum);
 void snd_emu10k1_voice_half_loop_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum);
+#if 0
 void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum);
 void snd_emu10k1_voice_clear_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum);
+#endif
+void snd_emu10k1_voice_set_loop_stop_multiple(struct snd_emu10k1 *emu, u64 voices);
+void snd_emu10k1_voice_clear_loop_stop_multiple(struct snd_emu10k1 *emu, u64 voices);
+int snd_emu10k1_voice_clear_loop_stop_multiple_atomic(struct snd_emu10k1 *emu, u64 voices);
 void snd_emu10k1_wait(struct snd_emu10k1 *emu, unsigned int wait);
 static inline unsigned int snd_emu10k1_wc(struct snd_emu10k1 *emu) { return (inl(emu->port + WC) >> 6) & 0xfffff; }
 unsigned short snd_emu10k1_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
 void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data);
-unsigned int snd_emu10k1_rate_to_pitch(unsigned int rate);
 
 #ifdef CONFIG_PM_SLEEP
 void snd_emu10k1_suspend_regs(struct snd_emu10k1 *emu);
@@ -1825,7 +1879,8 @@ int snd_emu10k1_synth_copy_from_user(struct snd_emu10k1 *emu, struct snd_util_me
 int snd_emu10k1_memblk_map(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk);
 
 /* voice allocation */
-int snd_emu10k1_voice_alloc(struct snd_emu10k1 *emu, int type, int pair, struct snd_emu10k1_voice **rvoice);
+int snd_emu10k1_voice_alloc(struct snd_emu10k1 *emu, int type, int count, int channels,
+			    struct snd_emu10k1_pcm *epcm, struct snd_emu10k1_voice **rvoice);
 int snd_emu10k1_voice_free(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *pvoice);
 
 /* MIDI uart */
diff --git a/include/sound/emux_synth.h b/include/sound/emux_synth.h
index d499b68122a3..1cc530434b97 100644
--- a/include/sound/emux_synth.h
+++ b/include/sound/emux_synth.h
@@ -54,6 +54,7 @@ struct snd_emux_operators {
 #if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
 	int (*oss_ioctl)(struct snd_emux *emu, int cmd, int p1, int p2);
 #endif
+	int (*get_pitch_shift)(struct snd_emux *emu);
 };
 
 
@@ -82,7 +83,6 @@ struct snd_emux {
 	int max_voices;		/* Number of voices */
 	int mem_size;		/* memory size (in byte) */
 	int num_ports;		/* number of ports to be created */
-	int pitch_shift;	/* pitch shift value (for Emu10k1) */
 	struct snd_emux_operators ops;	/* operators */
 	void *hw;		/* hardware */
 	unsigned long flags;	/* other conditions */
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 97f09acae302..2ffdf58bd6d4 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -347,6 +347,8 @@ struct hdac_bus {
 	bool corbrp_self_clear:1;	/* CORBRP clears itself after reset */
 	bool polling_mode:1;
 	bool needs_damn_long_delay:1;
+	bool not_use_interrupts:1;	/* prohibiting the RIRB IRQ */
+	bool access_sdnctl_in_dword:1;	/* accessing the sdnctl register by dword */
 
 	int poll_count;
 
diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index e1f59b2940af..b0197b1d1fe4 100644
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -18,6 +18,7 @@
 #if IS_ENABLED(CONFIG_SND_SEQUENCER)
 #include <sound/seq_device.h>
 #endif
+#include <sound/info.h>
 
 /*
  *  Raw MIDI interface
@@ -47,6 +48,10 @@ struct snd_rawmidi_global_ops {
 	int (*dev_unregister) (struct snd_rawmidi * rmidi);
 	void (*get_port_info)(struct snd_rawmidi *rmidi, int number,
 			      struct snd_seq_port_info *info);
+	long (*ioctl)(struct snd_rawmidi *rmidi, unsigned int cmd,
+		      void __user *argp);
+	void (*proc_read)(struct snd_info_entry *entry,
+			  struct snd_info_buffer *buf);
 };
 
 struct snd_rawmidi_runtime {
@@ -61,6 +66,7 @@ struct snd_rawmidi_runtime {
 	size_t avail_min;	/* min avail for wakeup */
 	size_t avail;		/* max used buffer for wakeup */
 	size_t xruns;		/* over/underruns counter */
+	size_t align;		/* alignment (0 = byte stream, 3 = UMP) */
 	int buffer_ref;		/* buffer reference count */
 	/* misc */
 	wait_queue_head_t sleep;
@@ -146,6 +152,13 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
 void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,
 			 const struct snd_rawmidi_ops *ops);
 
+/* internal */
+int snd_rawmidi_init(struct snd_rawmidi *rmidi,
+		     struct snd_card *card, char *id, int device,
+		     int output_count, int input_count,
+		     unsigned int info_flags);
+int snd_rawmidi_free(struct snd_rawmidi *rmidi);
+
 /* callbacks */
 
 int snd_rawmidi_receive(struct snd_rawmidi_substream *substream,
@@ -161,7 +174,7 @@ int snd_rawmidi_proceed(struct snd_rawmidi_substream *substream);
 /* main midi functions */
 
 int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info);
-int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
+int snd_rawmidi_kernel_open(struct snd_rawmidi *rmidi, int subdevice,
 			    int mode, struct snd_rawmidi_file *rfile);
 int snd_rawmidi_kernel_release(struct snd_rawmidi_file *rfile);
 int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream,
diff --git a/include/sound/seq_device.h b/include/sound/seq_device.h
index 8899affe9155..dead74b022f4 100644
--- a/include/sound/seq_device.h
+++ b/include/sound/seq_device.h
@@ -78,5 +78,6 @@ void snd_seq_driver_unregister(struct snd_seq_driver *drv);
  */
 #define SNDRV_SEQ_DEV_ID_MIDISYNTH	"seq-midi"
 #define SNDRV_SEQ_DEV_ID_OPL3		"opl3-synth"
+#define SNDRV_SEQ_DEV_ID_UMP		"seq-ump-client"
 
 #endif /* __SOUND_SEQ_DEVICE_H */
diff --git a/include/sound/seq_kernel.h b/include/sound/seq_kernel.h
index 658911926f3a..c8621671fa70 100644
--- a/include/sound/seq_kernel.h
+++ b/include/sound/seq_kernel.h
@@ -70,9 +70,19 @@ int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg);
 typedef int (*snd_seq_dump_func_t)(void *ptr, void *buf, int count);
 int snd_seq_expand_var_event(const struct snd_seq_event *event, int count, char *buf,
 			     int in_kernel, int size_aligned);
+int snd_seq_expand_var_event_at(const struct snd_seq_event *event, int count,
+				char *buf, int offset);
 int snd_seq_dump_var_event(const struct snd_seq_event *event,
 			   snd_seq_dump_func_t func, void *private_data);
 
+/* size of the event packet; it can be greater than snd_seq_event size */
+static inline size_t snd_seq_event_packet_size(struct snd_seq_event *ev)
+{
+	if (snd_seq_ev_is_ump(ev))
+		return sizeof(struct snd_seq_ump_event);
+	return sizeof(struct snd_seq_event);
+}
+
 /* interface for OSS emulation */
 int snd_seq_set_queue_tempo(int client, struct snd_seq_queue_tempo *tempo);
 
diff --git a/include/sound/ump.h b/include/sound/ump.h
new file mode 100644
index 000000000000..44d2c2fd021d
--- /dev/null
+++ b/include/sound/ump.h
@@ -0,0 +1,268 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Universal MIDI Packet (UMP) Support
+ */
+#ifndef __SOUND_UMP_H
+#define __SOUND_UMP_H
+
+#include <sound/rawmidi.h>
+
+struct snd_ump_endpoint;
+struct snd_ump_block;
+struct snd_ump_ops;
+struct ump_cvt_to_ump;
+struct snd_seq_ump_ops;
+
+struct snd_ump_endpoint {
+	struct snd_rawmidi core;	/* raw UMP access */
+
+	struct snd_ump_endpoint_info info;
+
+	const struct snd_ump_ops *ops;	/* UMP ops set by the driver */
+	struct snd_rawmidi_substream *substreams[2];	/* opened substreams */
+
+	void *private_data;
+	void (*private_free)(struct snd_ump_endpoint *ump);
+
+	/* UMP Stream message processing */
+	u32 stream_wait_for;	/* expected stream message status */
+	bool stream_finished;	/* set when message has been processed */
+	bool parsed;		/* UMP / FB parse finished? */
+	bool no_process_stream;	/* suppress UMP stream messages handling */
+	wait_queue_head_t stream_wait;
+	struct snd_rawmidi_file stream_rfile;
+
+	struct list_head block_list;	/* list of snd_ump_block objects */
+
+	/* intermediate buffer for UMP input */
+	u32 input_buf[4];
+	int input_buf_head;
+	int input_pending;
+
+	struct mutex open_mutex;
+
+#if IS_ENABLED(CONFIG_SND_UMP_LEGACY_RAWMIDI)
+	spinlock_t legacy_locks[2];
+	struct snd_rawmidi *legacy_rmidi;
+	struct snd_rawmidi_substream *legacy_substreams[2][SNDRV_UMP_MAX_GROUPS];
+
+	/* for legacy output; need to open the actual substream unlike input */
+	int legacy_out_opens;
+	struct snd_rawmidi_file legacy_out_rfile;
+	struct ump_cvt_to_ump *out_cvts;
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SEQUENCER)
+	struct snd_seq_device *seq_dev;
+	const struct snd_seq_ump_ops *seq_ops;
+	void *seq_client;
+#endif
+};
+
+/* ops filled by UMP drivers */
+struct snd_ump_ops {
+	int (*open)(struct snd_ump_endpoint *ump, int dir);
+	void (*close)(struct snd_ump_endpoint *ump, int dir);
+	void (*trigger)(struct snd_ump_endpoint *ump, int dir, int up);
+	void (*drain)(struct snd_ump_endpoint *ump, int dir);
+};
+
+/* ops filled by sequencer binding */
+struct snd_seq_ump_ops {
+	void (*input_receive)(struct snd_ump_endpoint *ump,
+			      const u32 *data, int words);
+	int (*notify_fb_change)(struct snd_ump_endpoint *ump,
+				struct snd_ump_block *fb);
+	int (*switch_protocol)(struct snd_ump_endpoint *ump);
+};
+
+struct snd_ump_block {
+	struct snd_ump_block_info info;
+	struct snd_ump_endpoint *ump;
+
+	void *private_data;
+	void (*private_free)(struct snd_ump_block *blk);
+
+	struct list_head list;
+};
+
+#define rawmidi_to_ump(rmidi)	container_of(rmidi, struct snd_ump_endpoint, core)
+
+int snd_ump_endpoint_new(struct snd_card *card, char *id, int device,
+			 int output, int input,
+			 struct snd_ump_endpoint **ump_ret);
+int snd_ump_parse_endpoint(struct snd_ump_endpoint *ump);
+int snd_ump_block_new(struct snd_ump_endpoint *ump, unsigned int blk,
+		      unsigned int direction, unsigned int first_group,
+		      unsigned int num_groups, struct snd_ump_block **blk_ret);
+int snd_ump_receive(struct snd_ump_endpoint *ump, const u32 *buffer, int count);
+int snd_ump_transmit(struct snd_ump_endpoint *ump, u32 *buffer, int count);
+
+#if IS_ENABLED(CONFIG_SND_UMP_LEGACY_RAWMIDI)
+int snd_ump_attach_legacy_rawmidi(struct snd_ump_endpoint *ump,
+				  char *id, int device);
+#else
+static inline int snd_ump_attach_legacy_rawmidi(struct snd_ump_endpoint *ump,
+						char *id, int device)
+{
+	return 0;
+}
+#endif
+
+int snd_ump_receive_ump_val(struct snd_ump_endpoint *ump, u32 val);
+int snd_ump_switch_protocol(struct snd_ump_endpoint *ump, unsigned int protocol);
+
+/*
+ * Some definitions for UMP
+ */
+
+/* MIDI 2.0 Message Type */
+enum {
+	UMP_MSG_TYPE_UTILITY			= 0x00,
+	UMP_MSG_TYPE_SYSTEM			= 0x01,
+	UMP_MSG_TYPE_MIDI1_CHANNEL_VOICE	= 0x02,
+	UMP_MSG_TYPE_DATA			= 0x03,
+	UMP_MSG_TYPE_MIDI2_CHANNEL_VOICE	= 0x04,
+	UMP_MSG_TYPE_EXTENDED_DATA		= 0x05,
+	UMP_MSG_TYPE_FLEX_DATA			= 0x0d,
+	UMP_MSG_TYPE_STREAM			= 0x0f,
+};
+
+/* MIDI 2.0 SysEx / Data Status; same values for both 7-bit and 8-bit SysEx */
+enum {
+	UMP_SYSEX_STATUS_SINGLE			= 0,
+	UMP_SYSEX_STATUS_START			= 1,
+	UMP_SYSEX_STATUS_CONTINUE		= 2,
+	UMP_SYSEX_STATUS_END			= 3,
+};
+
+/* UMP Utility Type Status (type 0x0) */
+enum {
+	UMP_UTILITY_MSG_STATUS_NOOP		= 0x00,
+	UMP_UTILITY_MSG_STATUS_JR_CLOCK		= 0x01,
+	UMP_UTILITY_MSG_STATUS_JR_TSTAMP	= 0x02,
+	UMP_UTILITY_MSG_STATUS_DCTPQ		= 0x03,
+	UMP_UTILITY_MSG_STATUS_DC		= 0x04,
+};
+
+/* UMP Stream Message Status (type 0xf) */
+enum {
+	UMP_STREAM_MSG_STATUS_EP_DISCOVERY	= 0x00,
+	UMP_STREAM_MSG_STATUS_EP_INFO		= 0x01,
+	UMP_STREAM_MSG_STATUS_DEVICE_INFO	= 0x02,
+	UMP_STREAM_MSG_STATUS_EP_NAME		= 0x03,
+	UMP_STREAM_MSG_STATUS_PRODUCT_ID	= 0x04,
+	UMP_STREAM_MSG_STATUS_STREAM_CFG_REQUEST = 0x05,
+	UMP_STREAM_MSG_STATUS_STREAM_CFG	= 0x06,
+	UMP_STREAM_MSG_STATUS_FB_DISCOVERY	= 0x10,
+	UMP_STREAM_MSG_STATUS_FB_INFO		= 0x11,
+	UMP_STREAM_MSG_STATUS_FB_NAME		= 0x12,
+	UMP_STREAM_MSG_STATUS_START_CLIP	= 0x20,
+	UMP_STREAM_MSG_STATUS_END_CLIP		= 0x21,
+};
+
+/* UMP Endpoint Discovery filter bitmap */
+enum {
+	UMP_STREAM_MSG_REQUEST_EP_INFO		= (1U << 0),
+	UMP_STREAM_MSG_REQUEST_DEVICE_INFO	= (1U << 1),
+	UMP_STREAM_MSG_REQUEST_EP_NAME		= (1U << 2),
+	UMP_STREAM_MSG_REQUEST_PRODUCT_ID	= (1U << 3),
+	UMP_STREAM_MSG_REQUEST_STREAM_CFG	= (1U << 4),
+};
+
+/* UMP Function Block Discovery filter bitmap */
+enum {
+	UMP_STREAM_MSG_REQUEST_FB_INFO		= (1U << 0),
+	UMP_STREAM_MSG_REQUEST_FB_NAME		= (1U << 1),
+};
+
+/* UMP Endpoint Info capability bits (used for protocol request/notify, too) */
+enum {
+	UMP_STREAM_MSG_EP_INFO_CAP_TXJR		= (1U << 0), /* Sending JRTS */
+	UMP_STREAM_MSG_EP_INFO_CAP_RXJR		= (1U << 1), /* Receiving JRTS */
+	UMP_STREAM_MSG_EP_INFO_CAP_MIDI1	= (1U << 8), /* MIDI 1.0 */
+	UMP_STREAM_MSG_EP_INFO_CAP_MIDI2	= (1U << 9), /* MIDI 2.0 */
+};
+
+/* UMP EP / FB name string format; same as SysEx string handling */
+enum {
+	UMP_STREAM_MSG_FORMAT_SINGLE		= 0,
+	UMP_STREAM_MSG_FORMAT_START		= 1,
+	UMP_STREAM_MSG_FORMAT_CONTINUE		= 2,
+	UMP_STREAM_MSG_FORMAT_END		= 3,
+};
+
+/*
+ * Helpers for retrieving / filling bits from UMP
+ */
+/* get the message type (4bit) from a UMP packet (header) */
+static inline unsigned char ump_message_type(u32 data)
+{
+	return data >> 28;
+}
+
+/* get the group number (0-based, 4bit) from a UMP packet (header) */
+static inline unsigned char ump_message_group(u32 data)
+{
+	return (data >> 24) & 0x0f;
+}
+
+/* get the MIDI status code (4bit) from a UMP packet (header) */
+static inline unsigned char ump_message_status_code(u32 data)
+{
+	return (data >> 20) & 0x0f;
+}
+
+/* get the MIDI channel number (0-based, 4bit) from a UMP packet (header) */
+static inline unsigned char ump_message_channel(u32 data)
+{
+	return (data >> 16) & 0x0f;
+}
+
+/* get the MIDI status + channel combo byte (8bit) from a UMP packet (header) */
+static inline unsigned char ump_message_status_channel(u32 data)
+{
+	return (data >> 16) & 0xff;
+}
+
+/* compose a UMP packet (header) from type, group and status values */
+static inline u32 ump_compose(unsigned char type, unsigned char group,
+			      unsigned char status, unsigned char channel)
+{
+	return ((u32)type << 28) | ((u32)group << 24) | ((u32)status << 20) |
+		((u32)channel << 16);
+}
+
+/* get SysEx message status (for both 7 and 8bits) from a UMP packet (header) */
+static inline unsigned char ump_sysex_message_status(u32 data)
+{
+	return (data >> 20) & 0xf;
+}
+
+/* get SysEx message length (for both 7 and 8bits) from a UMP packet (header) */
+static inline unsigned char ump_sysex_message_length(u32 data)
+{
+	return (data >> 16) & 0xf;
+}
+
+/* For Stream Messages */
+static inline unsigned char ump_stream_message_format(u32 data)
+{
+	return (data >> 26) & 0x03;
+}
+
+static inline unsigned int ump_stream_message_status(u32 data)
+{
+	return (data >> 16) & 0x3ff;
+}
+
+static inline u32 ump_stream_compose(unsigned char status, unsigned short form)
+{
+	return (UMP_MSG_TYPE_STREAM << 28) | ((u32)form << 26) |
+		((u32)status << 16);
+}
+
+#define ump_is_groupless_msg(type) \
+	((type) == UMP_MSG_TYPE_UTILITY || (type) == UMP_MSG_TYPE_STREAM)
+
+#endif /* __SOUND_UMP_H */
diff --git a/include/sound/ump_convert.h b/include/sound/ump_convert.h
new file mode 100644
index 000000000000..28c364c63245
--- /dev/null
+++ b/include/sound/ump_convert.h
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef __SOUND_UMP_CONVERT_H
+#define __SOUND_UMP_CONVERT_H
+
+#include <sound/ump_msg.h>
+
+/* context for converting from legacy control messages to UMP packet */
+struct ump_cvt_to_ump_bank {
+	bool rpn_set;
+	bool nrpn_set;
+	bool bank_set;
+	unsigned char cc_rpn_msb, cc_rpn_lsb;
+	unsigned char cc_nrpn_msb, cc_nrpn_lsb;
+	unsigned char cc_data_msb, cc_data_lsb;
+	unsigned char cc_bank_msb, cc_bank_lsb;
+};
+
+/* context for converting from MIDI1 byte stream to UMP packet */
+struct ump_cvt_to_ump {
+	/* MIDI1 intermediate buffer */
+	unsigned char buf[4];
+	int len;
+	int cmd_bytes;
+
+	/* UMP output packet */
+	u32 ump[4];
+	int ump_bytes;
+
+	/* various status */
+	unsigned int in_sysex;
+	struct ump_cvt_to_ump_bank bank[16];	/* per channel */
+};
+
+int snd_ump_convert_from_ump(const u32 *data, unsigned char *dst,
+			     unsigned char *group_ret);
+void snd_ump_convert_to_ump(struct ump_cvt_to_ump *cvt, unsigned char group,
+			    unsigned int protocol, unsigned char c);
+
+/* reset the converter context, called at each open to ump */
+static inline void snd_ump_convert_reset(struct ump_cvt_to_ump *ctx)
+{
+	memset(ctx, 0, sizeof(*ctx));
+
+}
+
+#endif /* __SOUND_UMP_CONVERT_H */
diff --git a/include/sound/ump_msg.h b/include/sound/ump_msg.h
new file mode 100644
index 000000000000..72f60ddfea75
--- /dev/null
+++ b/include/sound/ump_msg.h
@@ -0,0 +1,765 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Universal MIDI Packet (UMP): Message Definitions
+ */
+#ifndef __SOUND_UMP_MSG_H
+#define __SOUND_UMP_MSG_H
+
+/* MIDI 1.0 / 2.0 Status Code (4bit) */
+enum {
+	UMP_MSG_STATUS_PER_NOTE_RCC = 0x0,
+	UMP_MSG_STATUS_PER_NOTE_ACC = 0x1,
+	UMP_MSG_STATUS_RPN = 0x2,
+	UMP_MSG_STATUS_NRPN = 0x3,
+	UMP_MSG_STATUS_RELATIVE_RPN = 0x4,
+	UMP_MSG_STATUS_RELATIVE_NRPN = 0x5,
+	UMP_MSG_STATUS_PER_NOTE_PITCH_BEND = 0x6,
+	UMP_MSG_STATUS_NOTE_OFF = 0x8,
+	UMP_MSG_STATUS_NOTE_ON = 0x9,
+	UMP_MSG_STATUS_POLY_PRESSURE = 0xa,
+	UMP_MSG_STATUS_CC = 0xb,
+	UMP_MSG_STATUS_PROGRAM = 0xc,
+	UMP_MSG_STATUS_CHANNEL_PRESSURE = 0xd,
+	UMP_MSG_STATUS_PITCH_BEND = 0xe,
+	UMP_MSG_STATUS_PER_NOTE_MGMT = 0xf,
+};
+
+/* MIDI 1.0 Channel Control (7bit) */
+enum {
+	UMP_CC_BANK_SELECT = 0,
+	UMP_CC_MODULATION = 1,
+	UMP_CC_BREATH = 2,
+	UMP_CC_FOOT = 4,
+	UMP_CC_PORTAMENTO_TIME = 5,
+	UMP_CC_DATA = 6,
+	UMP_CC_VOLUME = 7,
+	UMP_CC_BALANCE = 8,
+	UMP_CC_PAN = 10,
+	UMP_CC_EXPRESSION = 11,
+	UMP_CC_EFFECT_CONTROL_1 = 12,
+	UMP_CC_EFFECT_CONTROL_2 = 13,
+	UMP_CC_GP_1 = 16,
+	UMP_CC_GP_2 = 17,
+	UMP_CC_GP_3 = 18,
+	UMP_CC_GP_4 = 19,
+	UMP_CC_BANK_SELECT_LSB = 32,
+	UMP_CC_MODULATION_LSB = 33,
+	UMP_CC_BREATH_LSB = 34,
+	UMP_CC_FOOT_LSB = 36,
+	UMP_CC_PORTAMENTO_TIME_LSB = 37,
+	UMP_CC_DATA_LSB = 38,
+	UMP_CC_VOLUME_LSB = 39,
+	UMP_CC_BALANCE_LSB = 40,
+	UMP_CC_PAN_LSB = 42,
+	UMP_CC_EXPRESSION_LSB = 43,
+	UMP_CC_EFFECT1_LSB = 44,
+	UMP_CC_EFFECT2_LSB = 45,
+	UMP_CC_GP_1_LSB = 48,
+	UMP_CC_GP_2_LSB = 49,
+	UMP_CC_GP_3_LSB = 50,
+	UMP_CC_GP_4_LSB = 51,
+	UMP_CC_SUSTAIN = 64,
+	UMP_CC_PORTAMENTO_SWITCH = 65,
+	UMP_CC_SOSTENUTO = 66,
+	UMP_CC_SOFT_PEDAL = 67,
+	UMP_CC_LEGATO = 68,
+	UMP_CC_HOLD_2 = 69,
+	UMP_CC_SOUND_CONTROLLER_1 = 70,
+	UMP_CC_SOUND_CONTROLLER_2 = 71,
+	UMP_CC_SOUND_CONTROLLER_3 = 72,
+	UMP_CC_SOUND_CONTROLLER_4 = 73,
+	UMP_CC_SOUND_CONTROLLER_5 = 74,
+	UMP_CC_SOUND_CONTROLLER_6 = 75,
+	UMP_CC_SOUND_CONTROLLER_7 = 76,
+	UMP_CC_SOUND_CONTROLLER_8 = 77,
+	UMP_CC_SOUND_CONTROLLER_9 = 78,
+	UMP_CC_SOUND_CONTROLLER_10 = 79,
+	UMP_CC_GP_5 = 80,
+	UMP_CC_GP_6 = 81,
+	UMP_CC_GP_7 = 82,
+	UMP_CC_GP_8 = 83,
+	UMP_CC_PORTAMENTO_CONTROL = 84,
+	UMP_CC_EFFECT_1 = 91,
+	UMP_CC_EFFECT_2 = 92,
+	UMP_CC_EFFECT_3 = 93,
+	UMP_CC_EFFECT_4 = 94,
+	UMP_CC_EFFECT_5 = 95,
+	UMP_CC_DATA_INC = 96,
+	UMP_CC_DATA_DEC = 97,
+	UMP_CC_NRPN_LSB = 98,
+	UMP_CC_NRPN_MSB = 99,
+	UMP_CC_RPN_LSB = 100,
+	UMP_CC_RPN_MSB = 101,
+	UMP_CC_ALL_SOUND_OFF = 120,
+	UMP_CC_RESET_ALL = 121,
+	UMP_CC_LOCAL_CONTROL = 122,
+	UMP_CC_ALL_NOTES_OFF = 123,
+	UMP_CC_OMNI_OFF = 124,
+	UMP_CC_OMNI_ON = 125,
+	UMP_CC_POLY_OFF = 126,
+	UMP_CC_POLY_ON = 127,
+};
+
+/* MIDI 1.0 / 2.0 System Messages (0xfx) */
+enum {
+	UMP_SYSTEM_STATUS_MIDI_TIME_CODE = 0xf1,
+	UMP_SYSTEM_STATUS_SONG_POSITION = 0xf2,
+	UMP_SYSTEM_STATUS_SONG_SELECT = 0xf3,
+	UMP_SYSTEM_STATUS_TUNE_REQUEST = 0xf6,
+	UMP_SYSTEM_STATUS_TIMING_CLOCK = 0xf8,
+	UMP_SYSTEM_STATUS_START = 0xfa,
+	UMP_SYSTEM_STATUS_CONTINUE = 0xfb,
+	UMP_SYSTEM_STATUS_STOP = 0xfc,
+	UMP_SYSTEM_STATUS_ACTIVE_SENSING = 0xfe,
+	UMP_SYSTEM_STATUS_RESET = 0xff,
+};
+
+/* MIDI 1.0 Realtime and SysEx status messages (0xfx) */
+enum {
+	UMP_MIDI1_MSG_REALTIME		= 0xf0,	/* mask */
+	UMP_MIDI1_MSG_SYSEX_START	= 0xf0,
+	UMP_MIDI1_MSG_SYSEX_END		= 0xf7,
+};
+
+/*
+ * UMP Message Definitions
+ */
+
+/* MIDI 1.0 Note Off / Note On (32bit) */
+struct snd_ump_midi1_msg_note {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 velocity:8;
+#else
+	u32 velocity:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* MIDI 1.0 Poly Pressure (32bit) */
+struct snd_ump_midi1_msg_paf {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 data:8;
+#else
+	u32 data:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* MIDI 1.0 Control Change (32bit) */
+struct snd_ump_midi1_msg_cc {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 index:8;
+	u32 data:8;
+#else
+	u32 data:8;
+	u32 index:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* MIDI 1.0 Program Change (32bit) */
+struct snd_ump_midi1_msg_program {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 program:8;
+	u32 reserved:8;
+#else
+	u32 reserved:8;
+	u32 program:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* MIDI 1.0 Channel Pressure (32bit) */
+struct snd_ump_midi1_msg_caf {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 data:8;
+	u32 reserved:8;
+#else
+	u32 reserved:8;
+	u32 data:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* MIDI 1.0 Pitch Bend (32bit) */
+struct snd_ump_midi1_msg_pitchbend {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 data_lsb:8;
+	u32 data_msb:8;
+#else
+	u32 data_msb:8;
+	u32 data_lsb:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* System Common and Real Time messages (32bit); no channel field */
+struct snd_ump_system_msg {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 type:4;
+	u32 group:4;
+	u32 status:8;
+	u32 parm1:8;
+	u32 parm2:8;
+#else
+	u32 parm2:8;
+	u32 parm1:8;
+	u32 status:8;
+	u32 group:4;
+	u32 type:4;
+#endif
+} __packed;
+
+/* MIDI 1.0 UMP CVM (32bit) */
+union snd_ump_midi1_msg {
+	struct snd_ump_midi1_msg_note note;
+	struct snd_ump_midi1_msg_paf paf;
+	struct snd_ump_midi1_msg_cc cc;
+	struct snd_ump_midi1_msg_program pg;
+	struct snd_ump_midi1_msg_caf caf;
+	struct snd_ump_midi1_msg_pitchbend pb;
+	struct snd_ump_system_msg system;
+	u32 raw;
+};
+
+/* MIDI 2.0 Note Off / Note On (64bit) */
+struct snd_ump_midi2_msg_note {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 attribute_type:8;
+	/* 1 */
+	u32 velocity:16;
+	u32 attribute_data:16;
+#else
+	/* 0 */
+	u32 attribute_type:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 attribute_data:16;
+	u32 velocity:16;
+#endif
+} __packed;
+
+/* MIDI 2.0 Poly Pressure (64bit) */
+struct snd_ump_midi2_msg_paf {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 reserved:8;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 reserved:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 Per-Note Controller (64bit) */
+struct snd_ump_midi2_msg_pernote_cc {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 index:8;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 index:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 Per-Note Management (64bit) */
+struct snd_ump_midi2_msg_pernote_mgmt {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 flags:8;
+	/* 1 */
+	u32 reserved;
+#else
+	/* 0 */
+	u32 flags:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 reserved;
+#endif
+} __packed;
+
+/* MIDI 2.0 Control Change (64bit) */
+struct snd_ump_midi2_msg_cc {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 index:8;
+	u32 reserved:8;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 reserved:8;
+	u32 index:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 Registered Controller (RPN) / Assignable Controller (NRPN) (64bit) */
+struct snd_ump_midi2_msg_rpn {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 bank:8;
+	u32 index:8;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 index:8;
+	u32 bank:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 Program Change (64bit) */
+struct snd_ump_midi2_msg_program {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 reserved:15;
+	u32 bank_valid:1;
+	/* 1 */
+	u32 program:8;
+	u32 reserved2:8;
+	u32 bank_msb:8;
+	u32 bank_lsb:8;
+#else
+	/* 0 */
+	u32 bank_valid:1;
+	u32 reserved:15;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 bank_lsb:8;
+	u32 bank_msb:8;
+	u32 reserved2:8;
+	u32 program:8;
+#endif
+} __packed;
+
+/* MIDI 2.0 Channel Pressure (64bit) */
+struct snd_ump_midi2_msg_caf {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 reserved:16;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 reserved:16;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 Pitch Bend (64bit) */
+struct snd_ump_midi2_msg_pitchbend {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 reserved:16;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 reserved:16;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 Per-Note Pitch Bend (64bit) */
+struct snd_ump_midi2_msg_pernote_pitchbend {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 group:4;
+	u32 status:4;
+	u32 channel:4;
+	u32 note:8;
+	u32 reserved:8;
+	/* 1 */
+	u32 data;
+#else
+	/* 0 */
+	u32 reserved:8;
+	u32 note:8;
+	u32 channel:4;
+	u32 status:4;
+	u32 group:4;
+	u32 type:4;
+	/* 1 */
+	u32 data;
+#endif
+} __packed;
+
+/* MIDI 2.0 UMP CVM (64bit) */
+union snd_ump_midi2_msg {
+	struct snd_ump_midi2_msg_note note;
+	struct snd_ump_midi2_msg_paf paf;
+	struct snd_ump_midi2_msg_pernote_cc pernote_cc;
+	struct snd_ump_midi2_msg_pernote_mgmt pernote_mgmt;
+	struct snd_ump_midi2_msg_cc cc;
+	struct snd_ump_midi2_msg_rpn rpn;
+	struct snd_ump_midi2_msg_program pg;
+	struct snd_ump_midi2_msg_caf caf;
+	struct snd_ump_midi2_msg_pitchbend pb;
+	struct snd_ump_midi2_msg_pernote_pitchbend pernote_pb;
+	u32 raw[2];
+};
+
+/* UMP Stream Message: Endpoint Discovery (128bit) */
+struct snd_ump_stream_msg_ep_discovery {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 format:2;
+	u32 status:10;
+	u32 ump_version_major:8;
+	u32 ump_version_minor:8;
+	/* 1 */
+	u32 reserved:24;
+	u32 filter_bitmap:8;
+	/* 2-3 */
+	u32 reserved2[2];
+#else
+	/* 0 */
+	u32 ump_version_minor:8;
+	u32 ump_version_major:8;
+	u32 status:10;
+	u32 format:2;
+	u32 type:4;
+	/* 1 */
+	u32 filter_bitmap:8;
+	u32 reserved:24;
+	/* 2-3 */
+	u32 reserved2[2];
+#endif
+} __packed;
+
+/* UMP Stream Message: Endpoint Info Notification (128bit) */
+struct snd_ump_stream_msg_ep_info {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 format:2;
+	u32 status:10;
+	u32 ump_version_major:8;
+	u32 ump_version_minor:8;
+	/* 1 */
+	u32 static_function_block:1;
+	u32 num_function_blocks:7;
+	u32 reserved:8;
+	u32 protocol:8;
+	u32 reserved2:6;
+	u32 jrts:2;
+	/* 2-3 */
+	u32 reserved3[2];
+#else
+	/* 0 */
+	u32 ump_version_minor:8;
+	u32 ump_version_major:8;
+	u32 status:10;
+	u32 format:2;
+	u32 type:4;
+	/* 1 */
+	u32 jrts:2;
+	u32 reserved2:6;
+	u32 protocol:8;
+	u32 reserved:8;
+	u32 num_function_blocks:7;
+	u32 static_function_block:1;
+	/* 2-3 */
+	u32 reserved3[2];
+#endif
+} __packed;
+
+/* UMP Stream Message: Device Info Notification (128bit) */
+struct snd_ump_stream_msg_devince_info {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 format:2;
+	u32 status:10;
+	u32 reserved:16;
+	/* 1 */
+	u32 manufacture_id;
+	/* 2 */
+	u8 family_lsb;
+	u8 family_msb;
+	u8 model_lsb;
+	u8 model_msb;
+	/* 3 */
+	u32 sw_revision;
+#else
+	/* 0 */
+	u32 reserved:16;
+	u32 status:10;
+	u32 format:2;
+	u32 type:4;
+	/* 1 */
+	u32 manufacture_id;
+	/* 2 */
+	u8 model_msb;
+	u8 model_lsb;
+	u8 family_msb;
+	u8 family_lsb;
+	/* 3 */
+	u32 sw_revision;
+#endif
+} __packed;
+
+/* UMP Stream Message: Stream Config Request / Notification (128bit) */
+struct snd_ump_stream_msg_stream_cfg {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 format:2;
+	u32 status:10;
+	u32 protocol:8;
+	u32 reserved:6;
+	u32 jrts:2;
+	/* 1-3 */
+	u32 reserved2[3];
+#else
+	/* 0 */
+	u32 jrts:2;
+	u32 reserved:6;
+	u32 protocol:8;
+	u32 status:10;
+	u32 format:2;
+	u32 type:4;
+	/* 1-3 */
+	u32 reserved2[3];
+#endif
+} __packed;
+
+/* UMP Stream Message: Function Block Discovery (128bit) */
+struct snd_ump_stream_msg_fb_discovery {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 format:2;
+	u32 status:10;
+	u32 function_block_id:8;
+	u32 filter:8;
+	/* 1-3 */
+	u32 reserved[3];
+#else
+	/* 0 */
+	u32 filter:8;
+	u32 function_block_id:8;
+	u32 status:10;
+	u32 format:2;
+	u32 type:4;
+	/* 1-3 */
+	u32 reserved[3];
+#endif
+} __packed;
+
+/* UMP Stream Message: Function Block Info Notification (128bit) */
+struct snd_ump_stream_msg_fb_info {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u32 type:4;
+	u32 format:2;
+	u32 status:10;
+	u32 active:1;
+	u32 function_block_id:7;
+	u32 reserved:2;
+	u32 ui_hint:2;
+	u32 midi_10:2;
+	u32 direction:2;
+	/* 1 */
+	u32 first_group:8;
+	u32 num_groups:8;
+	u32 midi_ci_version:8;
+	u32 sysex8_streams:8;
+	/* 2-3 */
+	u32 reserved2[2];
+#else
+	/* 0 */
+	u32 direction:2;
+	u32 midi_10:2;
+	u32 ui_hint:2;
+	u32 reserved:2;
+	u32 function_block_id:7;
+	u32 active:1;
+	u32 status:10;
+	u32 format:2;
+	u32 type:4;
+	/* 1 */
+	u32 sysex8_streams:8;
+	u32 midi_ci_version:8;
+	u32 num_groups:8;
+	u32 first_group:8;
+	/* 2-3 */
+	u32 reserved2[2];
+#endif
+} __packed;
+
+/* UMP Stream Message: Function Block Name Notification (128bit) */
+struct snd_ump_stream_msg_fb_name {
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* 0 */
+	u16 type:4;
+	u16 format:2;
+	u16 status:10;
+	u8 function_block_id;
+	u8 name0;
+	/* 1-3 */
+	u8 name[12];
+#else
+	/* 0 */
+	u8 name0;
+	u8 function_block_id;
+	u16 status:10;
+	u16 format:2;
+	u16 type:4;
+	/* 1-3 */
+	u8 name[12]; // FIXME: byte order
+#endif
+} __packed;
+
+/* MIDI 2.0 Stream Messages (128bit) */
+union snd_ump_stream_msg {
+	struct snd_ump_stream_msg_ep_discovery ep_discovery;
+	struct snd_ump_stream_msg_ep_info ep_info;
+	struct snd_ump_stream_msg_devince_info device_info;
+	struct snd_ump_stream_msg_stream_cfg stream_cfg;
+	struct snd_ump_stream_msg_fb_discovery fb_discovery;
+	struct snd_ump_stream_msg_fb_info fb_info;
+	struct snd_ump_stream_msg_fb_name fb_name;
+	u32 raw[4];
+};
+
+#endif /* __SOUND_UMP_MSG_H */