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#ifndef _RAW1394_PRIVATE_H
#define _RAW1394_PRIVATE_H
#define HBUF_SIZE 8192
#define ARM_REC_LENGTH 4096
#define MAXIMUM_BANDWIDTH 4915
struct raw1394_handle {
int fd;
int protocol_version;
unsigned int generation;
nodeid_t local_id;
int num_of_nodes;
nodeid_t irm_id;
raw1394_errcode_t err;
void *userdata;
bus_reset_handler_t bus_reset_handler;
tag_handler_t tag_handler;
arm_tag_handler_t arm_tag_handler;
fcp_handler_t fcp_handler;
iso_handler_t iso_handler[64];
/* new ISO API */
/* memory mapping of the DMA buffer */
unsigned char *iso_buffer;
enum { ISO_INACTIVE, ISO_XMIT, ISO_RECV } iso_mode;
enum { ISO_STOP, ISO_GO } iso_state;
/* iso XMIT only: */
unsigned int iso_buf_stride; /* offset between successive packets */
unsigned int next_packet; /* index of next packet to be transmitted */
/* status buffer, updated from _raw1394_iso_iterate() */
struct raw1394_iso_status iso_status;
unsigned int iso_packets_dropped;
/* user-supplied handlers */
raw1394_iso_xmit_handler_t iso_xmit_handler;
raw1394_iso_recv_handler_t iso_recv_handler;
quadlet_t buffer[HBUF_SIZE/4]; /* 2048 */
void *iso_packet_infos; /* actually a struct raw1394_iso_packet_info* */
};
struct sync_cb_data {
int done;
int errcode;
};
int _raw1394_sync_cb(struct raw1394_handle*, struct sync_cb_data*, int);
int _raw1394_iso_iterate(raw1394handle_t handle);
#define CLEAR_REQ(reqp) memset((reqp), 0, sizeof(struct raw1394_request))
#if SIZEOF_VOID_P == 4
#define int2ptr(x) ((void *)(__u32)x)
#define ptr2int(x) ((__u64)(__u32)x)
#else
#define int2ptr(x) ((void *)x)
#define ptr2int(x) ((__u64)x)
#endif
#endif /* _RAW1394_PRIVATE_H */
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