| 1 |
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| 2 | #ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
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| 3 | #define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
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| 4 |
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| 5 | #include <linux/dma-mapping.h>
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| 6 | #include <linux/firewire.h>
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| 7 |
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| 8 | |
| 9 | * struct iso_packets_buffer - manages a buffer for many packets
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| 10 | * @iso_buffer: the memory containing the packets
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| 11 | * @packets: an array, with each element pointing to one packet
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| 12 |
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| 13 | struct iso_packets_buffer {
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| 14 | struct fw_iso_buffer iso_buffer;
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| 15 | struct {
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| 16 | void *buffer;
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| 17 | unsigned int offset;
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| 18 | } *packets;
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| 19 | };
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| 20 |
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| 21 | int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
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| 22 | unsigned int count, unsigned int packet_size,
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| 23 | enum dma_data_direction direction);
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| 24 | void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
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| 25 | struct fw_unit *unit);
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| 26 |
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| 27 | #endif
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