162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci#ifndef __SOUND_UMP_CONVERT_H 362306a36Sopenharmony_ci#define __SOUND_UMP_CONVERT_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <sound/ump_msg.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci/* context for converting from legacy control messages to UMP packet */ 862306a36Sopenharmony_cistruct ump_cvt_to_ump_bank { 962306a36Sopenharmony_ci bool rpn_set; 1062306a36Sopenharmony_ci bool nrpn_set; 1162306a36Sopenharmony_ci bool bank_set; 1262306a36Sopenharmony_ci unsigned char cc_rpn_msb, cc_rpn_lsb; 1362306a36Sopenharmony_ci unsigned char cc_nrpn_msb, cc_nrpn_lsb; 1462306a36Sopenharmony_ci unsigned char cc_data_msb, cc_data_lsb; 1562306a36Sopenharmony_ci unsigned char cc_bank_msb, cc_bank_lsb; 1662306a36Sopenharmony_ci}; 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci/* context for converting from MIDI1 byte stream to UMP packet */ 1962306a36Sopenharmony_cistruct ump_cvt_to_ump { 2062306a36Sopenharmony_ci /* MIDI1 intermediate buffer */ 2162306a36Sopenharmony_ci unsigned char buf[4]; 2262306a36Sopenharmony_ci int len; 2362306a36Sopenharmony_ci int cmd_bytes; 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci /* UMP output packet */ 2662306a36Sopenharmony_ci u32 ump[4]; 2762306a36Sopenharmony_ci int ump_bytes; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci /* various status */ 3062306a36Sopenharmony_ci unsigned int in_sysex; 3162306a36Sopenharmony_ci struct ump_cvt_to_ump_bank bank[16]; /* per channel */ 3262306a36Sopenharmony_ci}; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciint snd_ump_convert_from_ump(const u32 *data, unsigned char *dst, 3562306a36Sopenharmony_ci unsigned char *group_ret); 3662306a36Sopenharmony_civoid snd_ump_convert_to_ump(struct ump_cvt_to_ump *cvt, unsigned char group, 3762306a36Sopenharmony_ci unsigned int protocol, unsigned char c); 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci/* reset the converter context, called at each open to ump */ 4062306a36Sopenharmony_cistatic inline void snd_ump_convert_reset(struct ump_cvt_to_ump *ctx) 4162306a36Sopenharmony_ci{ 4262306a36Sopenharmony_ci memset(ctx, 0, sizeof(*ctx)); 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci} 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci#endif /* __SOUND_UMP_CONVERT_H */ 47