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author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-07-24 15:44:47 +0200 |
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committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-07-24 15:44:47 +0200 |
commit | 61b7369483efb5e0a9f3b48e75fac00d46d661e0 (patch) | |
tree | 6a97cc6f8857f0d26dcd48627aa6f31b9875b07e /include/sound/ump_convert.h | |
parent | c3f698d85ecaf66d42871865b38c976c128c297c (diff) | |
parent | 6c7f27441d6af776a89147027c6f4a11c0162c64 (diff) |
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.5-rc2.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/sound/ump_convert.h')
-rw-r--r-- | include/sound/ump_convert.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/sound/ump_convert.h b/include/sound/ump_convert.h new file mode 100644 index 000000000000..28c364c63245 --- /dev/null +++ b/include/sound/ump_convert.h @@ -0,0 +1,46 @@ +// 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; +}; + +/* context for converting from MIDI1 byte stream to UMP packet */ +struct ump_cvt_to_ump { + /* MIDI1 intermediate buffer */ + unsigned char buf[4]; + 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 */ |