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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 20:46:37 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 20:46:37 +0300
commitd3e458d78167102cc961237cfceef6fffc80c0b3 (patch)
treee9195c1294daf053614e63ac52b0b44a28479017 /sound/firewire/packets-buffer.h
parentf2e1fbb5f2177227f71c4fc0491e531dd7acd385 (diff)
parentd351cf4603edb2a5bfa9a48d06c425511c63f2a3 (diff)
downloadlinux-d3e458d78167102cc961237cfceef6fffc80c0b3.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (308 commits) ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl ALSA: aloop - Fix possible IRQ lock inversion ALSA: sound/core: merge list_del()/list_add_tail() to list_move_tail() ALSA: ctxfi - use list_move() instead of list_del()/list_add() combination ALSA: firewire - msleep needs delay.h ALSA: firewire-lib, firewire-speakers: handle packet queueing errors ALSA: firewire-lib: allocate DMA buffer separately ALSA: firewire-lib: use no-info SYT for packets without SYT sample ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver ALSA: hda - Remove an unused variable in patch_realtek.c ALSA: hda - pin-adc-mux-dmic auto-configuration of 92HD8X codecs ALSA: hda - fix digital mic selection in mixer on 92HD8X codecs ALSA: hda - Move default input-src selection to init part ALSA: hda - Initialize special cases for input src in init phase ALSA: ctxfi - Clear input settings before initialization ALSA: ctxfi - Fix SPDIF status retrieval ALSA: ctxfi - Fix incorrect SPDIF status bit mask ALSA: ctxfi - Fix microphone boost codes/comments ALSA: atiixp - Fix wrong time-out checks during ac-link reset ALSA: intel8x0m: append 'm' to "r_intel8x0" ...
Diffstat (limited to 'sound/firewire/packets-buffer.h')
-rw-r--r--sound/firewire/packets-buffer.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/firewire/packets-buffer.h b/sound/firewire/packets-buffer.h
new file mode 100644
index 000000000000..6513c5cb6ea9
--- /dev/null
+++ b/sound/firewire/packets-buffer.h
@@ -0,0 +1,26 @@
+#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
+#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
+
+#include <linux/dma-mapping.h>
+#include <linux/firewire.h>
+
+/**
+ * struct iso_packets_buffer - manages a buffer for many packets
+ * @iso_buffer: the memory containing the packets
+ * @packets: an array, with each element pointing to one packet
+ */
+struct iso_packets_buffer {
+ struct fw_iso_buffer iso_buffer;
+ struct {
+ void *buffer;
+ unsigned int offset;
+ } *packets;
+};
+
+int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
+ unsigned int count, unsigned int packet_size,
+ enum dma_data_direction direction);
+void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
+ struct fw_unit *unit);
+
+#endif