firewire: Implement sync and tag matching for isochronous receive.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 22e45ccd7b1d..cbea845dc40a 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -332,6 +332,12 @@ struct fw_iso_packet {
 #define FW_ISO_CONTEXT_TRANSMIT 0
 #define FW_ISO_CONTEXT_RECEIVE  1
 
+#define FW_ISO_CONTEXT_MATCH_TAG0        1
+#define FW_ISO_CONTEXT_MATCH_TAG1        2
+#define FW_ISO_CONTEXT_MATCH_TAG2        4
+#define FW_ISO_CONTEXT_MATCH_TAG3        8
+#define FW_ISO_CONTEXT_MATCH_ALL_TAGS   15
+
 struct fw_iso_context;
 
 typedef void (*fw_iso_callback_t) (struct fw_iso_context *context,
@@ -357,6 +363,8 @@ struct fw_iso_context {
         int type;
         int channel;
         int speed;
+        int sync;
+        int tags;
         size_t header_size;
         fw_iso_callback_t callback;
         void *callback_data;
@@ -374,7 +382,8 @@ fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card);
 
 struct fw_iso_context *
 fw_iso_context_create(struct fw_card *card, int type,
-                      int channel, int speed, size_t header_size,
+                      int channel, int speed,
+                      int sync, int tags, size_t header_size,
                       fw_iso_callback_t callback, void *callback_data);
 
 void
@@ -425,7 +434,7 @@ struct fw_card_driver {
                                 int node_id, int generation);
 
         struct fw_iso_context *
-        (*allocate_iso_context)(struct fw_card *card,
+        (*allocate_iso_context)(struct fw_card *card, int sync, int tags,
                                 int type, size_t header_size);
         void (*free_iso_context)(struct fw_iso_context *ctx);