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// 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; bool cc_data_msb_set, cc_data_lsb_set; }; /* 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 */