mirror of
https://github.com/torvalds/linux.git
synced 2024-11-05 03:21:32 +00:00
531f471834
In Linux kernel 4.4, firewire-lib got a feature called as 'async midi port' for transmission of MIDI message via IEEE 1394 asynchronous communication, however actual consumer of this feature is ALSA driver for TASCAM FireWire series only. When adding this feature, I assumed that ALSA driver for Digi00x might also be a consumer, actually it's not. This commit moves the feature from firewire-lib to firewire-tascam module. Two minor kernel APIs are removed. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
29 lines
736 B
C
29 lines
736 B
C
#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
|
|
#define SOUND_FIREWIRE_LIB_H_INCLUDED
|
|
|
|
#include <linux/firewire-constants.h>
|
|
#include <linux/types.h>
|
|
#include <linux/sched.h>
|
|
#include <sound/rawmidi.h>
|
|
|
|
struct fw_unit;
|
|
|
|
#define FW_GENERATION_MASK 0x00ff
|
|
#define FW_FIXED_GENERATION 0x0100
|
|
#define FW_QUIET 0x0200
|
|
|
|
int snd_fw_transaction(struct fw_unit *unit, int tcode,
|
|
u64 offset, void *buffer, size_t length,
|
|
unsigned int flags);
|
|
|
|
/* returns true if retrying the transaction would not make sense */
|
|
static inline bool rcode_is_permanent_error(int rcode)
|
|
{
|
|
return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
|
|
}
|
|
|
|
void snd_fw_schedule_registration(struct fw_unit *unit,
|
|
struct delayed_work *dwork);
|
|
|
|
#endif
|