Merge tag 'ata-6.6-final' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal...
[platform/kernel/linux-starfive.git] / include / sound / ump_convert.h
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 };
17
18 /* context for converting from MIDI1 byte stream to UMP packet */
19 struct ump_cvt_to_ump {
20         /* MIDI1 intermediate buffer */
21         unsigned char buf[4];
22         int len;
23         int cmd_bytes;
24
25         /* UMP output packet */
26         u32 ump[4];
27         int ump_bytes;
28
29         /* various status */
30         unsigned int in_sysex;
31         struct ump_cvt_to_ump_bank bank[16];    /* per channel */
32 };
33
34 int snd_ump_convert_from_ump(const u32 *data, unsigned char *dst,
35                              unsigned char *group_ret);
36 void snd_ump_convert_to_ump(struct ump_cvt_to_ump *cvt, unsigned char group,
37                             unsigned int protocol, unsigned char c);
38
39 /* reset the converter context, called at each open to ump */
40 static inline void snd_ump_convert_reset(struct ump_cvt_to_ump *ctx)
41 {
42         memset(ctx, 0, sizeof(*ctx));
43
44 }
45
46 #endif /* __SOUND_UMP_CONVERT_H */