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27 lines
786 B
27 lines
786 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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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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