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27 lines
747 B
C
27 lines
747 B
C
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#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
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#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
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#include <linux/dma-mapping.h>
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#include <linux/firewire.h>
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/**
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* struct iso_packets_buffer - manages a buffer for many packets
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* @iso_buffer: the memory containing the packets
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* @packets: an array, with each element pointing to one packet
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*/
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struct iso_packets_buffer {
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struct fw_iso_buffer iso_buffer;
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struct {
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void *buffer;
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unsigned int offset;
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} *packets;
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};
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int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
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unsigned int count, unsigned int packet_size,
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enum dma_data_direction direction);
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void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
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struct fw_unit *unit);
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#endif
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