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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[6]; /* up to 6 bytes for SysEx */
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 */
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