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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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