| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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 |