1 #ifndef SOUND_FIREWIRE_LIB_H_INCLUDED 2 #define SOUND_FIREWIRE_LIB_H_INCLUDED 3 4 #include <linux/firewire-constants.h> 5 #include <linux/types.h> 6 #include <linux/sched.h> 7 #include <sound/rawmidi.h> 8 9 struct fw_unit; 10 11 #define FW_GENERATION_MASK 0x00ff 12 #define FW_FIXED_GENERATION 0x0100 13 #define FW_QUIET 0x0200 14 15 int snd_fw_transaction(struct fw_unit *unit, int tcode, 16 u64 offset, void *buffer, size_t length, 17 unsigned int flags); 18 19 /* returns true if retrying the transaction would not make sense */ 20 static inline bool rcode_is_permanent_error(int rcode) 21 { 22 return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR; 23 } 24 25 void snd_fw_schedule_registration(struct fw_unit *unit, 26 struct delayed_work *dwork); 27 28 #endif 29