sound/firewire/lib.h

   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