1 // SPDX-License-Identifier: GPL-2.0-or-later 2 #ifndef __SOUND_UMP_CONVERT_H 3 #define __SOUND_UMP_CONVERT_H 4 5 #include <sound/ump_msg.h> 6 7 /* context for converting from legacy control messages to UMP packet */ 8 struct ump_cvt_to_ump_bank { 9 bool rpn_set; 10 bool nrpn_set; 11 bool bank_set; 12 unsigned char cc_rpn_msb, cc_rpn_lsb; 13 unsigned char cc_nrpn_msb, cc_nrpn_lsb; 14 unsigned char cc_data_msb, cc_data_lsb; 15 unsigned char cc_bank_msb, cc_bank_lsb; 16 bool cc_data_msb_set, cc_data_lsb_set; 17 }; 18 19 /* context for converting from MIDI1 byte stream to UMP packet */ 20 struct ump_cvt_to_ump { 21 /* MIDI1 intermediate buffer */ 22 unsigned char buf[4]; 23 int len; 24 int cmd_bytes; 25 26 /* UMP output packet */ 27 u32 ump[4]; 28 int ump_bytes; 29 30 /* various status */ 31 unsigned int in_sysex; 32 struct ump_cvt_to_ump_bank bank[16]; /* per channel */ 33 }; 34 35 int snd_ump_convert_from_ump(const u32 *data, unsigned char *dst, 36 unsigned char *group_ret); 37 void snd_ump_convert_to_ump(struct ump_cvt_to_ump *cvt, unsigned char group, 38 unsigned int protocol, unsigned char c); 39 40 /* reset the converter context, called at each open to ump */ 41 static inline void snd_ump_convert_reset(struct ump_cvt_to_ump *ctx) 42 { 43 memset(ctx, 0, sizeof(*ctx)); 44 45 } 46 47 #endif /* __SOUND_UMP_CONVERT_H */ 48