1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef SOUND_FIREWIRE_LIB_H_INCLUDED 3*4882a593Smuzhiyun #define SOUND_FIREWIRE_LIB_H_INCLUDED 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/firewire-constants.h> 6*4882a593Smuzhiyun #include <linux/types.h> 7*4882a593Smuzhiyun #include <linux/sched.h> 8*4882a593Smuzhiyun #include <sound/rawmidi.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun struct fw_unit; 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define FW_GENERATION_MASK 0x00ff 13*4882a593Smuzhiyun #define FW_FIXED_GENERATION 0x0100 14*4882a593Smuzhiyun #define FW_QUIET 0x0200 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun int snd_fw_transaction(struct fw_unit *unit, int tcode, 17*4882a593Smuzhiyun u64 offset, void *buffer, size_t length, 18*4882a593Smuzhiyun unsigned int flags); 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* returns true if retrying the transaction would not make sense */ rcode_is_permanent_error(int rcode)21*4882a593Smuzhiyunstatic inline bool rcode_is_permanent_error(int rcode) 22*4882a593Smuzhiyun { 23*4882a593Smuzhiyun return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR; 24*4882a593Smuzhiyun } 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun void snd_fw_schedule_registration(struct fw_unit *unit, 27*4882a593Smuzhiyun struct delayed_work *dwork); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #endif 30