staging: nvec: add LED support
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / firewire / packets-buffer.h
blob6513c5cb6ea92aa86fdd36e3972bddf9f0081053
1 #ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
2 #define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
4 #include <linux/dma-mapping.h>
5 #include <linux/firewire.h>
7 /**
8 * struct iso_packets_buffer - manages a buffer for many packets
9 * @iso_buffer: the memory containing the packets
10 * @packets: an array, with each element pointing to one packet
12 struct iso_packets_buffer {
13 struct fw_iso_buffer iso_buffer;
14 struct {
15 void *buffer;
16 unsigned int offset;
17 } *packets;
20 int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
21 unsigned int count, unsigned int packet_size,
22 enum dma_data_direction direction);
23 void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
24 struct fw_unit *unit);
26 #endif